Error And Failure Code Table - Komatsu 114E-3 Series Shop Manual

40 Troubleshooting

Error and failure code table

INSITE Machine failure
error code
111
115
122
123
131
132
144
145
153
154
155
187
221
222
227
234
238
271
272
281
322
323
324
325
331
332
342
351
352
386
428
429
431
432
435
441
442
449
451
452
488
553
114E-3 Series
code
CA111 Engine Controller Internal Failure
CA115 Eng. Ne and Bkup Speed Sensor Error
CA122 Charge Air Press Sensor High Error
CA123 Charge Air Press Sensor Low Error
CA131 Throttle Sensor High Error
CA132 Throttle Sensor Low Error
CA144 Coolant Temp. Sensor High Error
CA145 Coolant Temp. Sensor Low Error
CA153 Charge Air Temp. Sensor High Error
CA154 Charge Air Temp. Sensor Low Error
CA155 Charge Air Press. High Speed Derate
CA187 Sensor Sup. 2 Volt. Low Error
CA221 Ambient Air Press. Sensor High Error
CA222 Ambient Air Press. Sensor Low Error
CA227 Abnormally high level in sensor power supply 2 circuit
CA234 Eng. Overspeed
CA238 Ne Speed Sensor Sup. Volt. Error
CA271 IMV (IMA) Short Error
CA272 IMV (IMA) Open Error
CA281 High pressure pump error
CA322 Injector No. 1 System Open/Short Error
CA323 Injector No. 5 System Open/Short Error
CA324 Injector No. 3 System Open/Short Error
CA325 Injector No. 6 System Open/Short Error
CA331 Injector No. 2 System Open/Short Error
CA332 Injector No. 4 System Open/Short Error
CA342 Engine Controller Data Matching Error
CA351 INJ. Drive Circuit Error
CA352 Sensor Sup. 1 Volt. Low Error
CA386 Sensor Sup. 1 Volt. High Error
CA428 Water Sensor High Level Error
CA429 Water Sensor Low Level Error
CA431 Idle Validation Switch Error
CA432 Idle Validation Process Error
CA435 Eng. Oil Switch Error
CA441 Supply Voltage Low Error
CA442 Supply Voltage High Error
CA449 Rail Press. High Error 2
CA451 Rail Press. Sensor High Error
CA452 Rail Press. Sensor Low Error
CA488 Charge Air Temp. High Torque Derate
CA553 Rail Press. High Error 1
1
Failure phenomenon
SEN00457-01
Reference
document No.
Troubleshooting
of electrical
system
(E-mode), Part 1
SEN00459-01
Troubleshooting
of electrical
system
(E-mode), Part 2
SEN00460-01
3