Es12 12CS
Es12 12CS
508000003121
I V1 08/2019
EP EQUIPMENT CO.,LTD. is one of the catalogs.
world’s leading companies manufacture,
With business all over the world, EP has
design material handling equipment and
thousands of employees and hundreds
provide related service. With over
of agents worldwide to provide our
100,000m2 plant it produces over
global customers with prompt local
100,000 trucks per year, and provides
service.
professional, effective and optimized
material handling solutions worldwide,
Based on the concept of sharing
until now it has developed three major
economy , EP also offer rental service
kinds of business:
for various logistics equipment. Adhering
· Material handling equipment: Focus
to the idea “Making the leasing of logistic
on electric forklift and warehouse
equipment more simple”, EP is devoted
equipment
to providing customized one-stop
·OEM parts: Global parts supply
leasing solutions for our customers with
·Imow industry,online: One stop
our high quality, reasonable price and
industrial products supply
prompt rental service.
Guided by our customer-oriented
EP’s mission&vision is “ Let more people
concept, EP has developed service
apply the electrical material handling
centers in more than 30 countries
equipment to relieve the intensity of
around the world, from which customers
labour” and “Let’s grow together”.
are able to receive timely local service.
Moreover, 95% of warranty parts can be
EP EQUIPMENT CO., LTD
shipped out within 24 hours after been
Address: XIAQUAN, DIPU, ANJI,
ordered. Through our online after-sales
ZHEJIANG, CHINA
service system, customers can process
Tel: + 86-0571-28023920
their warranty claims, order spare parts
Fax: + 86-0571-28035616
and consult the operation manuals,
Website: www.ep-ep.com
maintenance materials and spare parts
Email: service@ep-ep.com
I
Foreword
The present original operating instructions are designed to provide sufficient
instruction for the safe operation and maintenance of the Reach Truck. Please be
sure to read this operator manual carefully if you are operator or are in charge of the
Reach Truck,before you operate and service the Reach Truck. Only in this way can
you protect yourself and make the Reach Truck play a role as much as possible.
Our Reach Trucks are subject to ongoing development, so maybe there are some
differences between your product and the description in this manual. And the operator
manual details will be different because of customer's special requirements.
If you have any questions ,please keep in touch with the sales department or let the
dealer know.
Notes:
1. This manual is used for operation and maintenance , the detail parameters, size
and specifications in context is only for reference , the real parameters will depend on
sale files.
2. Manual pictures for reference only, the real car shall prevail, and shall not affect the
manual use.
3.Manual pictures only sign for one of the models in this series models.
CO.,LTD
OM2412 08.19
II
WARNING!
TO PREVENT SETIOUS RISK OF INJURY TO
YOUORSELF AND OTHERS OBSERVE THE
FOLLOWING SAFETY INSTRUCTIONS.
These Reach Truck may become hazardous if adequate maintenance is neglected.
Therefore, adequate maintenance facilities, trained personnel and procedures should
be provided.
5. Avoid fire hazards and have fire protection equipment present. Do not use open
flame to check lever, or for leakage of electrolyte and fluids or oil. Do not use open
pans of fuel or flammable cleaning fluids for cleaning parts.
8. All parts of lift mechanisms shall be inspected to maintain them in safe operating
condition.
III
with good practice. Cylinders, valves and other similar parts shall be checked to
assure that "drift" has not developed to the extent that it would create a hazard.
10. Reach Truck shall be kept in a clean condition to minimize fire hazards facilitate
detection of loose or detective parts.
11. Modifications and additions which affect capacity and safe Reach Truck operation
shall not be performed by the customer or user without manufacturers prior written
approval. Capacity, operation and maintenance plates or decals shall be changed
accordingly.
IV
Catalog
V
5.4.2 Restoring the Reach Truck to operation after decommissioning..........30
5.5 Safety checks to be performed at regular intervals and following any unusual
incidents...........................................................................................................................30
5.6 Final de-commissioning, disposal.........................................................................30
6.Troubleshooting.................................................................................................................. 31
6.1 Error Message..........................................................................................................32
VI
Correct use and Application
The Reach Truck described in the present operator manual is an industrial Reach
Truck designed for lifting and transporting load units.
It must be used, operated and serviced in accordance with the present instructions.
Any other type of use is beyond the scope of application and can result in damage to
personnel, the Reach Truck or property. In particular, avoid overloading the Reach
Truck with loads which are too heavy or placed on one side. The data plate attached
to the Reach Truck or the load diagram are binding for the maximum load capacity.
The Reach Truck must not be used in fire or explosion endangered areas, or areas
threatened by corrosion or excessive dust.
Proprietor responsibilities
For the purposes of the present operator manual the “proprietor” is defined as any
natural or legal person who either uses the Reach Truck himself, or on whose behalf it
is used. In special cases (e.g. leasing or renting) the proprietor is considered the
person who, in accordance with existing contractual agreements between the owner
and user of the Reach Truck, is charged with operational duties.
The proprietor must ensure that the Reach Truck is used only for the purpose it is
intended for and that danger to life and limb of the user and third parties are excluded.
Furthermore, accident prevention regulations, safety regulations and operating,
servicing and repair guidelines must be followed. The proprietor must ensure that all
Reach Truck users have read and understood this operator manual.
Failure to comply with the operator manual shall invalidate the warranty. The same
applies if improper work is carried out on the Reach Truck by the customer or third
parties without the permission of the manufacturer’s customer service department.
Adding accessories
The mounting or installation of additional equipment which affects or enhances the
performance of the Reach Truck requires the written permission of the manufacturer.
Local authority approval may also need to be obtained.
Local authority approval does not however constitute the manufacturer’s approval.
1
1. Reach Truck Description
1.1Application
The Reach Truck is reach electric Reach Truck with a steered drive wheel.
It is designed for use on level floors to lift and transport palletised goods. Open
bottom pallets or roll cages can be lifted.
The capacity can be obtained from the data plate.
The capacity with respect to lift height and load center of gravity is indicated on the
capacity plate.
2
1.2 Reach Truck Assemblies
3
1.2.1 Control Handle
4
1.2.3 Battery discharge indicator
Battery Discharge for 70%, A flashing red show on storage battery charge warning.
Battery Discharge for 80%, Two flashing reds show on battery charge used up
warning, Lifting is now inhibited. The battery must be charged.
Power up test
On power up the display shows:
• the operating hours
• the charge status
5
1.3 Standard Version Specifications
Technical specification details in accordance with VDI2198. Technical modifications
and additions reserved.
1.3.1 Performance data for standard Reach Trucks
Item Description CQE12 CQE15S Unit
Drive unit Battery Battery
Operator type pedestrian standing
Q Load capacity 2645 3300 lb.
c Load center 23.6 23.6 in.
Travel speed, laden/ unladen 3.4/3.7 mph
Lifting speed, laden/ unladen 17.7/26.6 fpm
Lowering speed, laden/ unladen 31.5/29.5 fpm
Reaching speed, laden / unladen 15.7/15.7 fpm
Maximum gradeability, laden/ unladen 6/10 °
Service weight (Duplex Mast,With battery) 4045 4110 lb.
Unladen, Front / Rear, fork 2510/1535 2535/1575 lb.
Loadin Unladen, Front / Rear, fork retracted 2730/1315 2755/1355 lb.
g Laden, Front / Rear, fork advanced 630/6060 685/6730 lb.
Laden, Front / Rear, fork 2065/4625 2370/5045 lb.
Drive motor rating S2 60 min. 1.7/2 4.4 kW
Lift motor rating at S3 15% 4 kW
Battery voltage/ rated capacity (5h) 24/210 24/280 V/Ah
Battery weight 418.9 507 lb.
1.3.2 Dimensions
6
b3 Fork Frame width 31.5 in.
b5 Distance between fork-arms 7.8-30.7 in.
Distance between wheel
b4 35.4 in.
arms/loading surfaces
Tilt of mast/fork carriage
α/β 2/4 °
forward/backward
l4 Reach distance 23.2 in.
Ground clearance, laden, below
m1 2.75 in.
mast
The minimum ground clearance
m2 2.75 in.
of frame
Aisle width1), 1000×1200 pallet
Ast 102 106 in.
crossways
Aisle width1 , 800×1200 pallet
)
7
Standard Mast Types (mm)
Close Mast Extended Mast
Free height lift height
Mast types height Height
h1 h2 h3 h4
1940 0 2700 3660
2090 0 3000 3960
2240 0 3300 4260
Two Stage Mast
2390 0 3600 4560
2590 0 4000 4960
2740 0 4300 5260
1960 1000 4000 4955
2130 1170 4500 5455
Three Stage Mast 2230 1270 4800 5760
2295 1335 5000 5960
2460 1500 5500 6460
Service weight (include battery)(kg)
Mast height Service weight(kg)
Mast types
(mm) CQE12 CQE15S
2700 1825 1855
3000 1835 1865
3300 1845 1875
Two Stage Mast
3600 1855 1885
4000 1865 1895
4300 1875 1905
4000 2065 2095
4500 2080 2110
Three Stage Mast 4800 2090 2120
5000 2095 2125
5500 2110 2140
8
Length across wheel arms
CQE12 CQE15S
Mast types Two Stage Three Stage Two Stage Three Stage
Mast Mast Mast Mast
Overall length
l1 2191 2203 2310 2320
(minimum)(mm)
Aisle width for pallets
1000 × 1200 Ast 2592 2600 2692 2700
crossways(mm)
Aisle width for pallets
800 × 1200 Ast 2633 2644 2734 2744
lengthways(mm)
Aisle width for pallets
1000 × 1200 Ast 2683 2693 2784 2794
lengthways(mm)
Aisle width for pallets
800 × 1200 Ast 2468 2475 2569 2575
crossways(mm)
9
10
1.4 Identification points and data plates
11
1.4.1Reach Truck data plate
For queries regarding the Reach Truck or ordering spare parts please quote the
Reach Truck serial number(10).
CQE 12&15 S
12
1.4.2 Capacity chart
13
2. Commissioning
2.2During brake-in
We recommended operating the machine under light load conditions for the first stage
of operation to get the most from it. Especially the requirements given below should
be observed while the machine is in a stage of 100 hours of operation.
• Must prevent the new battery from over discharging when early used. Please
charging when remain power less than 20%.
• Perform specified preventive maintenance services carefully and completely.
• Avoid sudden stop, starts or turns.
• Oil changes and lubrication are recommended to do earlier than specified.
• Limited load is 70~80% of the rated load.
14
3.Operation
Driver authorisation: The Reach Truck may only be used by suitably trained
personnel, who have demonstrated to the proprietor or his representative that they
can drive and handle loads and have been authorised to operate the Reach Truck by
the proprietor or his representative.
Unauthorised Use of Reach Truck: The driver is responsible for the Reach Truck
during the time it is in use. He shall prevent unauthorised persons from driving or
operating the Reach Truck. It is forbidden to carry passengers or lift personnel.
Damage and Faults: The supervisor must be immediately informed of any damage or
faults to the Reach Truck. Reach Trucks not safe for operation (e.g. wheel or brake
problems) must not be used until they have been rectified.
Repairs: The driver must not carry out any repairs or alterations to the Reach Truck
without the necessary training and authorisation to do so. The driver must never
disable or adjust safety mechanisms or switches.
Safety Devices and Warning Signs: Safety devices, warning signs and warning
instructions shall be strictly observed.
15
3.2 Operate and run the Reach Truck
3.2.1 Preparing
Before the Reach Truck can be commissioned, operated or a load unit lifted, the
driver must ensure that there is nobody within the hazardous area.
Checks and operations to be performed before starting daily work
– Make sure the Emergency brake switch
is depressed(6). Warning!
– Make sure the battery is connected Before operating the truck, check all
– Insert the key in the key switch ( 14) and controls and warning devices for
turn it to the right as far as it will go. proper operation. If any damage of
– Test the warning signal switch (13). fault is found, don’t operate truck until
corrected.
• Visually inspect the entire Reach Truck
(in particular wheels and load handler) for obvious damage.
16
1.Driving
2.Steering
Apply the control handle(2) to the
left or right.
3.Braking
The brake pattern of the Reach
Truck depends largely on the
ground conditions. The driver
must take this into account when
operating the Reach Truck.
The driver must be looking ahead
when travelling. If there is no
hazard, brake
moderately to avoid moving the load .
The Reach Truck can brake in four different Warning!
ways: If the control handle moves slowly or
• Emergency braking not at all to the upper brake zone, the
• Automatic braking Reach Truck must be taken out of
• Regenerative braking service until the cause of this fault is
• Inversion braking be rectified.
• Emergency braking Replace the gas pressure spring if
Press Emergency brake switch(1), all necessary.
electrical functions are cut out and the
Warning!
Reach Truck automatically brakes.
If the travel switch moves slowly or not
at all to 0, the Reach Truck must be
• Automatic braking
taken out of service until the cause of
When the control handle(2) is released it
this fault is be rectified.
automatically sets itself to the upper brake
Replace the control handle if necessary.
zone (B) and automatic braking ensues.
17
• Regenerative braking
If the travel switch is set to "0", the Reach Warning!
Truck automatically brakes regeneratively. In hazardous situations set the control
When the speed below 1Km/h, the brake handle to the brake position or set the
then applies and motor brake stop. travel switch to the opposite direction.
• Inversion braking
You can set the travel switch to the opposite direction when travelling. The Reach
Truck brakes regeneratively until it starts to move in the opposite direction.
Lift
Pull “Lift&Lower” switch(16) until the height
you need.
Lower
Push “Lift&Lower” switch(16)
Warning!
until the lowest position.
·Never tilt the mast with loads upraised 1.5m or more.
·Don’t lift the load when the mast was tilted forward.
18
Tilt forward
Press “Tilting forward&backward” button(15) until the angle you need.
Tilt backward
Press “Tilting forward&backward” button(15) until the angle you need.
19
4.Battery Maintenance & Charging
When replacing or installing batteries, ensure that the battery is correctly secured in
the battery compartment of the Reach Truck.
20
4.3Charging the battery
Charging step
• Check whether the condition is according with
"Safety regulations for Charging the battery".
• Park the Reach Truck securely(See 3.2.4 Parking
the Reach Truck securely ).
• Remove the battery plug (1).
• Connect the battery plug (1) with the charging lead
of the stationary charger (2) and turn on the
charger.
NOTE:This picture is just a sample.
Warning!
The Reach Truck must be parked on level ground. To prevent short circuits, batteries
with exposed terminals or connectors must be covered with a rubber mat.
When transporting batteries using a crane, ensure that the crane is of adequate
Capacity. The lifting gear must exert a vertical pull so that the battery container is not
compressed. Forbid falling lift tool on battery surface.
21
4.5Battery maintenance
Battery maintenance:
The battery cell covers must be kept dry and clean. The terminals and cable shoes
must be clean, secure and have a light coating of dielectric grease.Batteries with non
insulated terminals must be covered with a non slip insulation mat.
Warning!
1. Do not use dry cloth or fabric to clean the battery,avoiding static to bring the
explosion.
2. Unfixing battery plug.
3. Cleaning with wet cloth.
4. Wearing glasses for protecting eyes rubber overshoes and rubber glove.
Battery storage:
If batteries are taken out of service for a lengthy period they should be stored in the
fully charged condition in a dry, frost-free room. To ensure the battery is always ready
for use a choice of charging methods can be made:
• a monthly equalizing charge as in point 4.3(see Page 18)
4.6Battery Disposal
22
5.Reach Truck Maintenance
Cleaning
Do not use flammable liquids to clean the Reach Truck.
Prior to cleaning, all safety measures required to prevent sparking (e.g. through short
circuits) must be taken. For battery-operated Reach Trucks, the battery connector
must be removed.
Only weak suction or compressed air and non-conductive antistatic brushes may be
used for cleaning electric or electronic assemblies.
If the Reach Truck is to be cleaned with a water jet or a high-pressure cleaner, all
electrical and electronic components must be carefully covered beforehand as
moisture can cause malfunctions.
23
After cleaning the Reach Truck, carry out the activities detailed in the
“Recommissioning
” section.
Electrical System
Only suitably trained personnel may operate on the Reach Truck’s electrical system.
Before working on the electrical system, take all precautionary measures to avoid –
electric shocks.
For battery-operated Reach Trucks, also de-energise the Reach Truck by removing
the battery connector.
Welding
To avoid damaging electric or electronic components, remove these from the Reach
Truck before performing welding operations.
Settings
When repairing or replacing electric or electronic components or assemblies, always
note the Reach Truck-specific settings.
Tyres
The quality of tyres affects the stability and performance of the Reach Truck. When
replacing factory fitted tyres only used original manufacturer’s spare parts, as
otherwise the data plate specifications will not be kept.
When changing wheels and tyres, ensure that the Reach Truck does not slew (e.g.
when replacing wheels always left and right simultaneously).
24
5.3.1 Maintenance Checklist
Maintenance
interval ●
W A B C
Braking Check magnetic brake air gap. ●
Electrical Test instruments, displays and control switches. ●
system Test warning and safety device. ●
Make sure wire connections are secure and check for
●
damage.
Test micro switch setting. ●
Check Controller and EPS Controller. ●
Fix the motor and cable ●
Power Visually inspect battery ●
supply Visually inspect battery plug ●
Check battery cable connections are secure, grease
●
terminals if necessary.
Travel Check the transmission for noise and leakage. ●
Check travel mechanism, adjust and lubricate if ●
necessary.Check control handle recuperating function.
Check driving wheel and loading wheel for wear and ●
damage.
Check wheel bearings and attachments. ●
Reach Check Reach Truck frame for damage. ●
Truck Check labels are present and complete ●
frame Check mast attachment ●
Hydraulic Test hydraulic system. ●
operations Check that hose and pipe lines and their connections are
●
secure, check for leaks and damage.
Check cylinders and piston rods for damage and leaks,
●
and make sure they are secure.
Check load chain setting and tension if necessary. ●
Visually inspect mast rollers and check contact surface
●
wear level
Check forks,load handler for wear and damage ●
Check hydraulic oil level. ●
Replace hydraulic oil. ●
25
5.3.2 Lubrication Schedule
26
Consumables
Handling consumables type material: Consumables must always be handled
correctly. Follow the manufacturer’s instructions.
Only use clean containers when filling up with consumables. Do not mix consumables
of different grades. The only exception to this is when mixing is expressly stipulated in
the Operating Instructions.
Avoid spillage. Spilled liquids must be removed immediately with suitable bonding
agents and the bonding agent/consumable mixture must be disposed of in
accordance with regulations.
Code Description Used for
A HM32# Hydraulic system
B GL-5 85W-90 gear case
27
Check the hydraulic oil level
It is going to add hydraulic oil when you heard
explosion sound from pipe during lifting.
Warning!
• Prepare the Reach Truck for maintenance
Forbid adding hydraulic oil within
and repairs ( See 5.3.3 Maintenance
impurity.
Instructions ).
• Opening the front cover
• Add hydraulic oil of the correct grade ( See 5.3.2 Lubrication Schedule ) .
Add hydraulic oil till you cant hear explosion sound during lifting.
Installation is the reverse order.
28
Item To protect: Rating
1 Traction/ lifting motor Fuse 200A
2 Battery Control Fuse 10A
3 Control system Control Fuse 10A
Recommissioning
The Reach Truck may only be recommissioned after cleaning or repair work, once the
following operations have been performed.
• Test horn.
• Test Emergency brake switch.
• Test brake.
• Lubricate the Reach Truck in accordance with the maintenance schedule.
5.4 Decommissioning the Reach Truck
If the Reach Truck is to be decommissioned for more than two months , e.g. For
operational reasons,it must be parked in a frost-free and dry location and all
necessary measures must be taken before, during and after decommissioning as
described.
On decommissioning the Reach Truck must be jacked up so that all the wheels are
clear of the ground. This is the only way of ensuring that the wheels and wheel
bearings are not damaged.
If the Reach Truck is to be out of service for more than 6 months , further measures
must be taken in consultation with the manufacturer’s service department.
5.4.1Prior to decommissioning
• Thoroughly clean the Reach Truck.
• Check the brakes.
• Check the hydraulic oil level and replenish Warning!
as necessary (See 5.3.3 Maintenance Charge every months:
Instructions ). – Charge the battery.
• Apply a thin layer of oil or grease to any Battery powered Reach Trucks:
non-painted mechanical components. The battery must be charged at
• Lubricate the Reach Truck in accordance regular intervals to avoid depletion of
with the maintenance schedule (See 5.3.2 the battery through self-discharge.
Lubrication Schedule ). The sulfuration would destroy the
• Charge the battery (See 4.3Charging the battery.
battery ).
• Disconnect the battery, clean it and apply grease to the terminals.
In addition, follow the battery manufacturer’s instructions.
• Spay all exposed electrical contacts with a suitable contact spray.
29
5.4.2 Restoring the Reach Truck to operation after decommissioning
• Thoroughly clean the Reach Truck.
• Lubricate the Reach Truck in accordance with the maintenance schedule (See 5.3.2
Lubrication Schedule ).
• Clean the battery, grease the terminals and connect the battery.
• Charge the battery (See 4.3Charging the battery ).
• Check hydraulic oil for condensed water and replace if necessary.
• Start up the Reach Truck (see 3.2Operate and run the Reach Truck ).
If there are switching problems in the electrical system, apply contact spray to the
exposed contacts and remove any oxide layers on the contacts of the operating
controls by applying them repeatedly.
Perform several brake tests immediately after re-commissioning the Reach Truck.
unusual incidents
Carry out a safety check in accordance with national regulations. EP has a special
safety department with trained personnel to carry out such checks. The Reach Truck
must be inspected at least annually (refer to national regulations) or after any unusual
event by a qualified inspector. The inspector shall assess the condition of the Reach
Truck from purely a safety viewpoint, without regard to operational or economic
circumstances. The inspector shall be sufficiently instructed and experienced to be
able to assess the condition of the Reach Truck and the effectiveness of the safety
mechanisms based on the technical regulations and principles governing the
inspection of Reach Trucks.
A thorough test of the Reach Truck must be undertaken with regard to its technical
condition from a safety aspect. The Reach Truck must also be examined for damage
caused by possible improper use. A test report shall be provided. The test results
must be kept for at least the next 2 inspections.
The owner is responsible for ensuring that faults are immediately rectified.
A test plate is attached to the Reach Truck as proof that it has passed the safety
inspection. This plate indicates the due date for the next inspection.
30
6.Troubleshooting
This chapter is designed to help the user identify and rectify basic faults or the results
of incorrect operation. When locating a fault, proceed in the order shown in the table.
Fault Possible cause Action
Reach • Key switch in “OFF” position • Set key switch to “I”
Truck does • Battery charge too low • Check battery charge, charge
not start. • Faulty fuse battery if Necessary
•Reach Truck in charge mode • Test fuses
• Interrupt charging
Load can • Hydraulic oil level too low • Check the hydraulic oil level
not be • Excessive load • Note maximum capacity (see
lifted data plate)
If the fault cannot be rectified after carrying out the remedial procedure, notify the
manufacturer ’ s service department ,as any further troubleshooting can only be
performed by specially trained and qualified service personnel.
31
6.1 Error Message
COMBIAC0 CONTROLLER
Error Message
32
The test is made at key-on and
after 20sec that both the travel
demands have been turned off.
This alarm occurs if the Check the mechanical
78 VACC NOT OK ACCELERATOR reading in the calibration and the functionality
TESTER menu’ is 1,0V higher of the potentiometer.
than PROGRAM VACC min
acquisition when the accelerator is
released.
This alarm occurs when the Improve the air cooling of the
temperature of the base plate is controller. If the alarm is
higher than 85°. Then the signalled when the controller is
HIGH maximum current decreases cold, the possible reasons are
62
TEMPERATURE proportionally with the temperature a thermal sensor failure or a
increases from 85° up to 105°. At failure in the logic card. In this
105° the Current is limited to 0 case, it is necessary to replace
Amps. the controller.
33
Check the thermal sensor
inside the motor (use the
MOTOR TEMPERATURE
reading in the TESTER menu);
This warning occurs when the
check the sensor ohmic value
MOTOR temperature sensor is opened (if
65 and the sensor wiring. If the
TEMPERATURE digital) or has overtaken the
sensor is OK, improve the air
threshold of 150°C (if analog).
cooling of the motor. If the
warning is present when the
motor is cool, then the problem
is inside the controller.
34
Warning: when the tiller is
released, after a fixed period of At the next travel request the
51 TILLER OPEN
time of standby (30 seconds) the warning disappear.
main contactor open.
35
Check if there is a short or a
low impedance between the
negative of this coil and –BATT.
This warning occurs also if the
external load is not present and
the parameter EV2 in the “Set
EV2 DRIVER
74 Electrovalve EV2 driver is shorted. Options” menu is set
SHORTED
“PRESENT”, in this case the
warning disappears setting the
EV2 parameter “ABSENT”.
Otherwise the driver circuit is
damaged and the controller
must be replaced.
36
The device or its driving circuit
The EVP valve driver is not able to
48 EVP DRIVER KO is damaged, replace the
drive the load (cannot close).
controller.
37
The device or its driving circuit
The EV3 valve driver is not able to
75 CONT. DRV. EV3 is damaged, replace the
drive the load (cannot close).
controller.
EPS-AC0 CONTROLLER
Error Message
Possible cause Fault elimination
Error Error text
Main uC and Slave uC
communicate via a local
serial interface. This alarm
It is necessary to
occurs when the slave uC
6 SERIAL ERR #1 replace the controller.
does not receive the
communication from the
main uC through this serial
interface.
38
It occurs if a test to write
and read one location in
EEPROM fails. The SW
expects to read the written
value. It occurs also when
It is necessary to
the hour counter gives
13 EEPROM KO replace the controller.
different values between the
three redundant locations in
which it is recorded. It
occurs also when the busy
bit of the EEPROM does not
rise within 12 msec.
This alarm occurs in the rest
state if the output of the
It is necessary to
16 LOGIC FAILURE #4 voltage amplifier of the
replace the controller.
phase Vw-Vv have a drift
larger than ±0.25 V.
This alarm occurs in the rest
state if the output of the
It is necessary to
17 LOGIC FAILURE #3 voltage amplifier of the
replace the controller.
phase Vu-Vw have a drift
larger than ±0.25 V.
This alarm occurs when the
real voltage between It is necessary to
18 LOGIC FAILURE #2 phases W and V of the replace the controller.
motor is different from the
desired.
This alarm occurs when the
real voltage between
It is necessary to
19 LOGIC FAILURE #1 phases W and U of the
replace the controller.
motor is different from the
desired.
This alarm occurs in the
initial rest state after key on
if the outputs of the motor It is necessary to
32 VMN NOT OK
voltage amplifiers are not in replace the controller.
the window from 2.2 to 2.8
Vdc.
39
This alarm occurs only
when the setting CAN BUS
is PRESENT. Then the
Find, on the traction
eps-ac0 waits for a via CAN
controller, the reason for
information that the traction
48 MAIN CONT. OPEN keeping the main
controller has closed the
contactor open.
main contactor. If this
information lacks more than
about 1.5 secs, this alarm
occurs.
This alarm occurs two ways:
1) In the initial rest state
after key on, if the outputs of
the current amplifiers are
not comprised in the It is necessary to
53 STBY I HIGH window 2.2 to 2.8 Vdc. replace the controller.
2) After the initial diagnosis
this alarm occurs when the
outputs of the current
amplifiers at rest have a drift
larger than ±0.15 V.
This alarm occurs if the Improve the cooling of
temperature of the the controller; otherwise
61 HIGH TEMPERATURE controller base plate it is necessary to
overtakes 75 degrees. replace the controller.
This alarm occurs only
when DIAG MOTOR TEMP
is on and the thermal
sensor inside the motor
Check the thermal
measures a temperature
sensor in the motor is
higher than 150 degrees. It
right working. If it is,
65 MOTOR TEMPERAT. occurs also when trying to
improve the cooling of
acquire the motor
the motor.
resistance with a
temperature in the motor
higher than 150 degree
(still with DIAG MOTOR
TEMP to ON).
40
This alarm occurs if the Check the motor is
circuit to limit via hardware suited to work with the
the current in the motor is eps-ac0 (not oversized).
70 HIGH CURRENT either always active at Otherwise it is
key-on or repeatedly active necessary to replace
when the motor is turning. the controller.
Check the power fuse is
OK. Check the battery
positive arrives to the
This alarm occurs when the
controller. Check the
current in the phase V of the
71 POWER FAILURE #3 continuity of the wire in
motor is zero and the motor
the phase V of the
is commanded for moving.
motor. Otherwise it is
necessary to replace
the controller.
Check the power fuse is
OK. Check the battery
This alarm occurs when the positive arrives to the
current in the phase U of the controller. Check the
72 POWER FAILURE #2 motor is zero and the motor continuity of the wire in
is commanded for moving. the phase U of the
motor. Otherwise it is
necessary to replace
the controller.
Check the power fuse is
OK. Check the battery
This alarm occurs when the
positive arrives to the
current in the phase W of
controller. Check the
the motor is zero and the
73 POWER FAILURE #1 continuity of the wire in
motor is commanded for
the phase W of the
moving.
motor. Otherwise it is
necessary to replace
the controller.
It occurs in applications with
toggle switches when the Swap in between the
applied frequency two encoder channels
83 BAD ENCODER SIGN
(FREQUENCY) and the (CNB#7 with CNB#8).
motor speed (ENC SPEED)
have opposite sign.
41
This alarm occurs if the
command potentiometer
(CPOC1 on CNA#9 or
CPOC2 on CNA#8)
changes with a jerk larger Change the twin pot.
84 STEER SENSOR KO
than MAX SP SLOPE (see
12.4.6.3). This alarm is
used to catch a discontinuity
in the voltages of the
command potentiometer.
This is just a warning to
inform that the steering
controller is limiting the
85 STEER HAZARD angle in the steering ——
direction. No speed
reduction occurs on the
traction.
The main uC sends an
analog signal towards the
slave uC to reset the slave
uC on demand. When the
slave uC detects this analog It is necessary to
218 CLOCK PAL NOT OK signal external to a window replace the controller.
from 2.2 to 2.8 and not in
the range to generate the
reset on demand, the slave
uC raises this alarm.
42
When the safety
contacts are open, the
voltage on CNA#4 is
expected to be close to
0 Vdc and this is
independent from
whether the safety
It occurs when the voltage
contacts are connected
on CNA#4 (NK1: Lower
to a plus battery or to a
Potential Terminal of the
minus battery . In the
Safety Contacts (see 7.6) is
99 INPUT ERROR #1 first case (safety
higher than 12 V before to
contacts connected to a
turn the safety contacts
plus battery), when the
closed.
safety contacts are
open, CNA#4 is
connected to a minus
battery through a load.
Only a harness mistake
may connect NK1 to a
higher than 12 V
voltage.
It occurs when the encoder
counting of the main uC is It is necessary to
212 MICRO SLAVE #8 not matched with the replace the controller.
encoder counting of the
slave uC.
This alarm occurs if the
frequency and the
amplitude of the voltages
from the stepper motor lines
are mismatched in between
It is necessary to
219 STEPPER MOTOR MISM In normal condition when
replace the controller.
the amplitude of the stepper
motor lines increases, the
frequency of the stepper
motor lines must increase
too.
Search for a mechanical
This alarm occurs if the
problem locking the
current in the steering motor
motor. To make easier
220 MOTOR LOCKED stays close to the maximum
the fault catching, set
current longer than 1 sec.
DEBUG OUTPUT to
level 11.
43
It occurs in one of the
following conditions:
(Open loop application only)
If the slave uC detects the
stator voltage phasor
rotates in the opposite
direction respect to the sign It is necessary to
221 MICRO SLAVE #4 of the stepper motor speed, replace the controller.
this alarm occurs. (Closed
loop application only) If the
slave uC detects the stator
voltage phasor rotates in
the opposite direction
respect to the commanded
position, this alarm occurs.
In application with the
In application with a feedback potentiometer,
feedback potentiometer, this verify the feedback
alarm occurs if the feedback potentiometer is not
potentiometer (CPOT on mechanically loosened.
CNB#6) does not change Check there is not a
(or changes in the opposite mechanical block of the
direction) its value even if steered wheel. Be sure
commanded to change. the wiper has not
222 FB POT LOCKED
In application with toggle reached its own
switches with ENCODER electrical limit because
CONTROL to off, this alarm of too much angle of the
occurs if the feedback steered wheel. Besides,
encoder counting does not this alarm may occur at
change its value even if the installation when the
commanded to change. motor rotates in the
wrong direction turning
away from the wished
This alarm occurs if the
feedback potentiometer
(CPOT on
CNB#6) changes with a jerk
larger than 0.3 V in 16 Change the feedback
223 JERKING FB POT msec. This potentiometer.
alarm is used to catch a
discontinuity in the voltages
of the
feedback potentiometer.
44
This alarm occurs when the
It is necessary to send
parameters to compensate
the controller to Zapi to
for the gain of the current
225 CURRENT GAIN perform the maximum
amplifiers (ADJUSTMENT
current regulation.
#03 and ADJUSTMENT
#04) have the default values
Every 16msec, inside the
code cycle, the main uC
rises and then lowers an
input for the slave uC
(SYNC). When the slave uC
detects no edge for more
than 100 msec on this input, It is necessary to
226 NO SYNC
this alarm occurs. This is replace the controller.
just a watch dog function:
when the main uC does not
execute the code cycle it
does not update the SYNC
signal and the slave uC cuts
off the steer and traction.
Main uC and Slave uC
communicate via a local
serial interface. This alarm
occurs when the main uC It is necessary to
227 SLAVE COM. ERROR
does not receive the replace the controller.
communication from the
slave uC through this serial
interface.
This warning occurs only if
CAN BUS is PRESENT. At
key-on the eps-ac0 asks to
the traction controller to
send a list of parameters
via CAN Bus. From the
request until the parameters
237 WAITING DATA ——
are correctly relieved, this
warning occurs. The steer is
not activated yet, and the
safety relays remain open
when this warning is
present.
45
Check the
potentiometer
connected to CNB#6 is
right working. If toggle
switches are connected
to CNA#2 and CNA#3,
verify they are right
working and the setting
AUX FUNCTION 11 is
This alarm occurs for an
correct. Verify also the
error in the redundant test
228 POSITION ERROR sensor bearing in the
of the feedback sensors.
motor (encoder) has not
a slip (the sensor
bearing has two rings:
one is connected to the
rotor shaft; the other is
connected to the motor
frame. Check these two
rings are strictly
connected to their
structure without slip.
This is a real alarm that cut
off the traction. It occurs at
the initial alignment if the
straight-ahead condition is
not matched within 6sec.
238 EPS NOT ALIGNED ——
Throughout this 6 secs
delay, the steer is not
activated yet, the safety
relays are open and the
traction is stopped.
46
This condition is several
times due to either, a
mismatching between
the Encoder resolution
It occurs when ENCODER used in the SW and the
CONTROL is set ON and real encoder resolution,
the real frequency does not or a wrong connection
241 ENCODER ERROR
pursuit the commanded between the two
frequency encoder channels. In
this latest case
exchange in between
the two encoder
channels.
Check the continuity of
This alarm occurs when the
the stepper motor
mean voltage on the
connections. In
Quadrature line of the
particular the resistance
stepper motor (connection
between CNA#8 and
242 Q LINE SENSOR KO CNA#8) is not null: the
the minus battery (with
voltage on every stepper
the stepper motor at
motor line is a sine wave
rest) is expected being
with null mean voltage.
very low (close to 30
ohms).
Check the continuity of
This alarm occurs when the
the stepper motor
mean voltage on the Direct
connections. In
line of the stepper motor
particular the resistance
(connection CNA#9) is not
between CNA#9 and
243 D LINE SENSOR KO null: the voltage on every
the minus battery (with
stepper motor line is a sine
the stepper motor at
wave with null mean
rest) is expected being
voltage.
very low (close to 30
ohms).
47
The parameters to
compensate for the gain of
the current amplifiers
(ADJUSTMENT #03 and
ADJUSTMENT #04) are
It is necessary to send
recorded in a not volatile
the controller to Zapi to
memory (eeprom) with a
244 GAIN EEPROM KO execute the maximum
redundant handling. In fact
current regulation.
every adjustment is
recorded in three eeprom
locations. If the values in
these three locations are
different in between this
alarm occurs.
In stepper motor
application, this alarm
occurs if the main uC is
detecting a direction of the
stepper motor not matched
with the one that the slave
uC is detecting.
In closed loop application,
this alarm occurs if the main
It is necessary to
246 MICRO SLAVE KO uC is detecting a direction
replace the controller.
of the steering error not
matched with the one that
the slave uC is detecting.
Furthermore, this alarm
occurs also if the main uC is
detecting no steering
limitation meanwhile the
slave uC is detecting e
steering limitation.
This alarm occurs only
when the setting CAN BUS
Check the CAN Bus
is PRESENT. Then the
communication system
eps-ac0 must receive the
and analyse the
event messages from the
247 CAN BUS KO frames from the traction
traction controller. If these
controller to the steer
messages lack more than
controllers.
about 1 sec, this alarm
occurs.
48
This alarm occurs for a fault
on the command
potentiometer (CPOC1 on
CNA#9, CPOC2 on
CNA#8). When a single
Check the connections
command pot is chosen, the
of the potentiometer.
alarm occurs if its wiper
This alarm occurs when
248 S.P OUT OF RANGE (CPOC1) exits the range
one connection of the
from 0.8 Vdc to 4.2 Vdc.
command
When the twin pot is
potentiometer is broken.
chosen, the alarm occurs if
the sum of the two wiper
voltages (CPOC1+CPOC2)
exits the range from 4.5 Vdc
to 5.5 Vdc.
Check the connections
This alarm occurs for a fault
of the feedback
on the feedback
potentiometer. This
potentiometer (CPOT on
249 F.B OUT OF RANGE alarm occurs when one
CNB#6). This alarm occurs
connection of the
if CPOT exits the range
feedback potentiometer
from 0.3 Vdc to 4.7 Vdc.
is broken.
49
This alarm occurs if the
connection CNA#5 (K1)
is around a voltage of
This alarm occurs at key on
12 Vdc when switching
if the slave uC detects the
on the key. In fact, when
safety
the safety contacts are
253 KM CLOSED contact, of the main uC,
open, K1 is expected
closed prior to be
being connected to a
commanded.
battery voltage (not 12
V). Search for a harness
problem or replace the
controller.
This alarm occurs if the
connection CNA#4
(NK1) is around a
voltage of 12 Vdc when
This alarm occurs if the
switching on the key. In
main uC detects the safety
fact, when the safety
contact, of the slave uC,
254 KS CLOSED contacts are open, NK1
closed prior to be
is expected being
commanded.
connected to a minus
battery voltage (not 12
V). Search for a harness
problem or replace the
controller.
50