Komatsu BR380JG-1E0, Shop Manual, Page: 407 / 841

SEN02088-00 40 Troubleshooting
4
BR380JG-1E0
a
Failure code:
The failure code table is written in alphabetical order and also starting from small number.
The failure code in parentheses is not recorded in the failure history for both electrical and mechanical
system.
a
Applicable equipment:
Applicable equipment indicates in which controller system the failure has occurred.
MON : Machine monitor system
ENG : Engine controller system
TM
: Transmission controller system
COM : Communication controller system
W/E : Work equipment and pump controller (work equipment control) system
PUMP: Work equipment and pump controller (pump control) system
a
User code:
User code indicates what is displayed in the operator mode when a failure is detected.
a
History classification:
History classification indicates in which system, either electrical system or mechanical system in the fail-
ure history displayed function, a failure has been recorded.
CA488 Charge temperature too high and torque derated ENG E11 Electrical system
Troubleshooting
by failure code,
Part 4
SEN02093-00
CA553 Common rail pressure sensor too high (1) ENG E15 Electrical system
CA559 Supply pump no pressure ENG E15 Electrical system
CA689 Abnormality in engine Ne speed sensor ENG E15 Electrical system
CA731 Abnormal phase in engine Bkup speed sensor ENG E15 Electrical system
CA757 Loss of all engine controller data ENG E10 Electrical system
CA778 Abnormality in engine Bkup speed sensor ENG E15 Electrical system
CA1633 CAN communication error (engine controller) ENG E0E Electrical system
CA2185 Throttle pedal sensor power source too high ENG E14 Electrical system
CA2186 Throttle pedal sensor power source too low ENG E14 Electrical system
CA2249 Supply pump no pressure (2) ENG E11 Electrical system
CA2311 Abnormal resistance in pump regulator valve ENG E11 Electrical system
CA2555 Disconnection in air intake heater relay ENG E15 Electrical system
CA2556 Short circuit in air intake heater relay ENG E15 Electrical system
D162KY Short circuit in horn relay W/E — Electrical system
Troubleshooting
by failure code,
Part 5
SEN02094-00
D162KZ Disconnection or short circuit in horn relay W/E — Electrical system
DA22KK Solenoid power source too low PUMP E0E Electrical system
DA25KP Abnormality in pressure sensor power source PUMP — Electrical system
DA2RMC
CAN communication error
(work equipment and pump controller)
PUMP E0E Electrical system
DA2SKQ Abnormality in model code input PUMP — Electrical system
DAFRMC CAN communication error (monitor controller) MON E0E Electrical system
DDA6KA Disconnection in engine stop switch W/E — Electrical system
DGH2KB Short circuit in hydraulic oil temperature sensor MON — Electrical system
DHPAMA Abnormality in F pump pressure sensor PUMP — Electrical system
DHPBMA Abnormality in R pump pressure sensor PUMP — Electrical system
DUB0KY Short circuit in beacon solid state relay W/E — Electrical system
DUB0KZ Disconnection or short circuit in beacon solid state relay W/E — Electrical system
DXA0KA Disconnection in PC-EPC Solenoid PUMP E02 Electrical system
DXA0KB Short circuit in PC-EPC Solenoid PUMP E02 Electrical system
DXA0KY Short circuit in PC-EPC Solenoid PUMP E02 Electrical system
DXE0KA Disconnection in LS-EPC solenoid PUMP — Electrical system
DXE0KB Short circuit in LS-EPC solenoid PUMP — Electrical system
DXE0KY Short circuit in LS-EPC solenoid PUMP — Electrical system
Failure
code
Failure contents
Applicable
equipment User
code History
classification
Reference
document No.