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What are the basic troubleshooting steps
for the Smart-UPS SMT1000RM2U /
SMT1500RM2U ?
Published date: 15 August 2019
Issue:
What are the basic troubleshooting steps for the Smart-UPS SMT1000RM2U / SMT1500RM2U ?
Product Line:
Smart-UPS
Environment:
SMT1000RM2U / SMT1500RM2U - All Serial Numbers
Cause:
During normal operation, you may find your UPS not functioning as expected. This may be due to a
malfunction, configuration issue, or the install environment.
This document will assist you with basic troubleshooting steps.
Resolution:
Problem Possible Cause Solution
The UPS will not turn Press the ON button once to turn on the
The unit has not been
on or there is no UPS. Please note that the LCD screen may
turned on.
output be lit even though the UPS is OFF.
The UPS is not Be sure that the power cable is securely
connected to utility connected to the unit and to the utility powe
power. supply.
Reduce the load to the UPS, disconnect
The input circuit
nonessential equipment and reset the circu
breaker has tripped.
breaker.
The unit shows very Check the utility power supply to the UPS b
low or no input utility plugging in a table lamp. If the light is very
voltage dim, check the utility voltage.
The battery connector
Be sure that all battery connections are
plug is not securely
secure.
connected.
There is an internal Do not attempt to use the UPS. Unplug the
UPS fault. UPS and have it serviced immediately
The UPS is operating
Reduce the load to the UPS, disconnect
on battery, while The input circuit
nonessential equipment and reset the circu
connected to utility breaker has tripped.
breaker.
power
Move the UPS to a different outlet on a
There is very high, different circuit. Test the input voltage with
very low, or distorted the utility voltage display. If acceptable to th
input line voltage. connected equipment, reduce the UPS
sensitivity.
The UPS display will indicate the current
The UPS is in normal
UPS is beeping operating mode that is causing the beeping
operation.
(On battery, replace battery, etc..)
Charge the battery. Batteries require
recharging after extended outages and wea
The UPS battery is out faster when put into service often or
UPS does not provide weak due to a recent when operated at elevated temperatures. If
expected backup time outage or is near the the battery is near the end of its service life,
end of its service life. consider replacing the battery even if the
replace battery indicator is not yet
illuminated.
The UPS is Check the UPS load display. Unplug
overloaded. unnecessary equipment, such as printers
The UPS has been
Display interface shut down remotely
None. The UPS will restart automatically
LEDs flash through software or an
when utility power is restored.
sequentially optional accessory
card.
Contact APC Support for further assistance
Fault LED illuminates Possible Internal Fault Take care to note the exact fault message
on the LCD Display
All LEDs are The UPS has shut
None. The UPS will return to normal
illuminated and the down and the battery
operation when the power is restored and
UPS is plugged into a has discharged from
the battery has a sufficient charge.
wall outlet an extended outage.
Allow the battery to recharge for at least fou
The Replace Battery The battery has a hours. Then, perform a self-test. If the
LED is illuminated weak charge problem persists after recharging, replace
the battery
The replacement
Be sure that the battery connector is
battery is not properly
securely connected.
connected.
Wiring faults detected
include missing
The UPS displays a If the UPS indicates a site wiring fault, have
ground, hot-neutral,
site wiring fault a qualified electrician inspect the building
polarity reversal, and
message wiring. (Applicable for 120 V units only.)
overloaded neutral
circuit.
