GROUP 11 SELF-DIAGNOSTIC SYSTEM
1. OUTLINE
When any abnormality occurs in the ADVANCED CAPO system caused by electric parts malfunction
and by open or short circuit, the MCU diagnoses the problem and sends the error codes to the
cluster and also stores them in the memory.
2. MONITORING
1) Active fault
21093CD66
21093CD66A-1 21093CD66B
· The active faults of the MCU can be checked by this menu.
2) Logged fault
21093CD66C
21093CD66D-1 21093CD66E
· The logged faults of the MCU can be checked by this menu.
3) Delete fault
21093CD66F
21093CD66G 21093CD66H
· The logged faults of the MCU can be deleted by this menu.
5-14
3. MACHINE ERROR CODES TABLE
Error code
Description
HCESPN FMI
3 Hydraulic oil temperature sensor circuit - Voltage above normal, or shorted to high source.
101
4 Hydraulic oil temperature circuit - Voltage below normal, or shorted to low source.
0 Working pressure sensor data above normal range.
1 Working pressure sensor data below normal range.
105
2 Working pressure sensor data error.
4 Working pressure sensor circuit - Voltage below normal, or shorted to Low source.
0 Travel oil pressure sensor data above normal range.
1 Travel oil pressure sensor data below normal range.
108
2 Travel oil pressure sensor data error.
4 Travel oil pressure sensor circuit - Voltage below normal, or shorted to low source.
0 Main pump 1 (P1) pressure sensor data above normal range.
1 Main pump 1 (P1) pressure sensor data below normal range.
120 2 Main pump 1 (P1) pressure sensor data error.
Main pump 1 (P1) pressure sensor circuit - Voltage below normal, or shorted to low
4
source.
0 Main pump 2 (P2) pressure sensor data above normal range.
1 Main pump 2 (P2) pressure sensor data below normal range.
121 2 Main pump 2 (P2) pressure sensor data error.
Main pump 2 (P2) pressure sensor circuit - Voltage below normal, or shorted to low
4
source.
0 Overload pressure sensor data above normal range.
1 Overload pressure sensor data below normal range.
122
2 Overload pressure sensor data error.
4 Overload pressure sensor circuit - Voltage below normal, or shorted to low source.
0 Negative 1 pressure sensor data above normal range.
1 Negative 1 pressure sensor data below normal range.
123
2 Negative 1 pressure sensor data error.
4 Negative 1 pressure sensor circuit - Voltage below normal, or shorted to low source.
0 Negative 2 Pressure sensor data above normal range.
1 Negative 2 Pressure sensor data below normal range.
124
2 Negative 2 Pressure sensor data error.
4 Negative 2 Pressure sensor circuit - Voltage below normal, or shorted to low source.
0 Pilot pump (P3) pressure sensor data above normal range.
1 Pilot pump (P3) pressure sensor data below normal range.
125
2 Pilot pump (P3) pressure sensor data error.
4 Pilot pump (P3) pressure sensor circuit - Voltage below normal, or shorted to low source.
0 Boom up pilot pressure sensor data above normal range.
1 Boom up pilot pressure sensor data below normal range.
127
2 Boom up pilot pressure sensor data error.
4 Boom up pilot pressure sensor circuit - Voltage below normal, or shorted to low source.
0 Swing pilot pressure sensor data above normal range.
1 Swing pilot pressure sensor data below normal range.
135
2 Swing pilot pressure sensor data error.
4 Swing pilot pressure sensor circuit - Voltage below normal, or shorted to low source.
※Some error codes are not applied to this machine.
5-15
Error code
Description
HCESPN FMI
0 Attachment pilot pressure sensor data above normal range.
1 Attachment pilot pressure sensor data below normal range.
138
2 Attachment pilot pressure sensor data error.
4 Attachment pilot pressure sensor circuit - Voltage below normal, or shorted to low source.
5 Pump EPPR valve circuit - Current below normal, or open circuit.
140
6 Pump EPPR valve circuit - Current above normal.
5 Boom priority EPPR valve circuit - Current below normal, or open circuit.
141
6 Boom priority EPPR valve circuit - Current above normal.
5 Attachment flow EPPR valve circuit - Current below normal, or open circuit.
144
6 Attachment flow EPPR valve circuit - Current above normal.
5 Left rotate EPPR valve circuit - Current below normal, or open circuit.
150
6 Left rotate EPPR valve circuit - Current above normal.
5 Right rotate EPPR valve circuit - Current below normal, or open circuit.
151
6 Right rotate EPPR valve circuit - Current above normal.
5 Left tilt EPPR valve circuit - Current below normal, or open circuit.
152
6 Left tilt EPPR valve circuit - Current above normal.
5 Right tilt EPPR valve circuit - Current below normal, or open circuit.
153
6 Right tilt EPPR valve circuit - Current above normal.
5 Power max solenoid circuit - Current below normal, or open circuit.
166
6 Power max solenoid circuit - Current above normal.
5 Travel speed solenoid circuit - Current below normal, or open circuit.
167
6 Travel speed solenoid circuit - Current above normal.
5 Attachment pressure solenoid circuit - Current below normal, or open circuit.
168
6 Attachment pressure solenoid circuit - Current above normal.
5 Attachment conflux solenoid circuit - Current below normal, or open circuit.
169
6 Attachment conflux solenoid circuit - Current above normal.
5 Arm regeneration solenoid circuit - Current below normal, or open circuit.
170
6 Arm regeneration solenoid circuit - Current above normal.
5 Attachment safety solenoid circuit - Current below normal, or open circuit.
171
6 Attachment safety solenoid circuit - Current above normal.
5 Remote cooling fan reverse solenoid circuit - Current below normal, or open circuit.
181
6 Remote cooling fan reverse solenoid circuit - Current above normal.
5 Fuel level sender circuit - Voltage above normal, or shorted to high source.
301
6 Fuel level sender circuit - Voltage below normal, or shorted to low source.
Engine coolant temperature sensor circuit - Voltage above normal, or shorted to high
3
source.
304
Engine coolant temperature sensor circuit - Voltage below normal, or shorted to low
4
source.
310 8 Engine speed signal error - Abnormal frequency or pulse width.
3 Engine preheat relay circuit - Voltage above normal, or shorted to high source.
322
4 Engine preheat relay circuit - Voltage below normal, or shorted to low source.
3 Fuel warmer relay circuit - Voltage above normal, or shorted to high source.
325
4 Fuel warmer relay circuit - Voltage below normal, or shorted to low source.
※Some error codes are not applied to this machine.
5-16
Error code
Description
HCESPN FMI
3 Potentiometer (G/A) circuit - Voltage above normal, or shorted to high source.
340
4 Potentiometer (G/A) circuit - Voltage below normal, or shorted to low source.
5 Governor actuator circuit - Current below normal, or open circuit.
341
6 Governor actuator circuit - Current above normal.
0 Transmission oil pressure sensor data above normal range.
1 Transmission oil pressure sensor data below normal range.
501
2 Transmission oil pressure sensor data error.
4 Transmission oil pressure sensor circuit - Voltage below normal, or shorted to low source.
0 Brake pressure sensor data above normal range.
1 Brake pressure sensor data below normal range.
503
2 Brake pressure sensor data error.
4 Brake pressure sensor circuit - Voltage below normal, or shorted to low source.
0 Working brake pressure sensor data above normal range.
1 Working brake pressure sensor data below normal range.
505
2 Working brake pressure sensor data error.
4 Working brake pressure sensor circuit - Voltage below normal, or shorted to low source.
3 Working brake lamp circuit - Voltage above normal, or shorted to high source.
506
4 Working brake lamp circuit - Voltage below normal, or shorted to low source.
3 Ram lock lamp circuit - Voltage above normal, or shorted to high source.
520
4 Ram lock lamp circuit - Voltage below normal, or shorted to low source.
5 Ram lock solenoid circuit - Current below normal, or open circuit.
525
6 Ram lock solenoid circuit - Current above normal.
0 Travel F pilot pressure sensor data above normal range.
1 Travel F pilot pressure sensor data below normal range.
530
2 Travel F pilot pressure sensor data error.
4 Travel F pilot pressure sensor circuit - Voltage below normal, or shorted to low source.
0 Travel R pilot pressure sensor data above normal range.
1 Travel R pilot pressure sensor data below normal range.
531
2 Travel R pilot pressure sensor data error.
4 Travel R pilot pressure sensor circuit - Voltage below normal, or shorted to low source.
3 Hourmeter circuit - Voltage above normal, or shorted to high source.
701
4 Hourmeter circuit - Voltage below normal, or shorted to low source.
0 MCU input voltage high.
705
1 MCU input voltage low.
707 1 Alternator node I voltage low.
3 Acc. dial circuit - Voltage above normal, or shorted to high source.
714
4 Acc. dial circuit - Voltage below normal, or shorted to low source.
3 Rotate signal input circuit - Voltage above normal, or shorted to high source.
715
4 Rotate signal input circuit - Voltage below normal, or shorted to low source.
3 Tilt signal input circuit - Voltage above normal, or shorted to high source.
716
4 Tilt signal input circuit - Voltage below normal, or shorted to low source.
3 Travel alarm (buzzer) circuit - Voltage above normal, or shorted to high source.
722
4 Travel alarm (buzzer) circuit - Voltage below normal, or shorted to low source.
830 12 MCU internal memory error.
840 2 Cluster communication data error.
843 2 Option #1 (CAN 2) communication data error.
850 2 RMCU communication data error.
※Some error codes are not applied to this machine.
5-17
