Komatsu BR380JG-1E0, Shop Manual, Page: 9 / 841

00 Index and foreword SEN01343-03
BR380JG-1E0
7
Troubleshooting by failure code, Part 2 SEN02091-00
Failure code [7RFAKY] Short circuit in engine stop relay ........................................................... 4
Failure code [7RFAKZ] Disconnection or short circuit in engine stop relay ................................ 6
Failure code [7RFBKB] Short circuit in muck conveyor solenoid ................................................ 8
Failure code [7RFBKZ] Disconnection or short circuit in muck conveyor solenoid ..................... 9
Failure code [7RFCKA] Disconnection in magnetic separator solenoid...................................... 10
Failure code [7RFCKB] Short circuit in magnetic separator solenoid ......................................... 11
Failure code [7RFCKY] Short circuit in magnetic separator solenoid ......................................... 12
Failure code [7RFHKB] Short circuit in conveyor forward relay .................................................. 14
Failure code [7RFHKY] Short circuit in conveyor forward relay .................................................. 16
Failure code [7RFKKB] Short circuit in lock cylinder pull relay ................................................... 18
Failure code [7RFKKY] Short circuit in lock cylinder pull relay ................................................... 20
Failure code [7RFLKA] Disconnection in accessory EPC solenoid ............................................ 22
Failure code [7RFLKB] Short circuit in accessory EPC solenoid ................................................ 23
Failure code [7RFLKY] Short circuit in accessory EPC solenoid ................................................ 24
Failure code [7RFMKY] Short circuit in abnormal pressure relay ............................................... 26
Failure code [7RFMKZ] Disconnection or short circuit in abnormal pressure relay .................... 28
Failure code [7RFNKA] Disconnection in lock cylinder unlock solenoid valve............................ 30
Failure code [7RFNKB] Short circuit in lock cylinder unlock solenoid valve ............................... 31
Failure code [7RFNKY] Short circuit in lock cylinder unlock solenoid valve ............................... 32
Failure code [7RFPKB] Short circuit in lock cylinder push relay ................................................. 34
Failure code [7RFPKY] Short circuit in lock cylinder push relay ................................................. 36
Failure code [7RGAMA] Abnormality in 2nd conveyor pressure sensor ..................................... 38
Failure code [7RJAKA] Disconnection in travel lock EPC solenoid valve ................................... 40
Failure code [7RJAKB] Short circuit in travel lock EPC solenoid valve....................................... 42
Failure code [7RJAKY] Short circuit in travel lock EPC solenoid valve....................................... 44
Failure code [7RJMMW] Lock cylinder slipping .......................................................................... 45
Failure code [7RJNMA] Abnormality in vibratory screen pressure sensor.................................. 46
Failure code [7RJPKB] Short circuit in radio control work-mode switch ..................................... 48
Failure code [7RJQKB] Short circuit in radio control travel-mode switch.................................... 49
Failure code [7RJRKB] Short circuit on travel signal .................................................................. 50
Failure code [7RJSMA] Abnormality in magnetic separator pressure sensor ............................. 52
Failure code [AA10NX] Air cleaner Clogging .............................................................................. 54
Failure code [AB00KE] Charge voltage too low .......................................................................... 56
Troubleshooting by failure code, Part 3 SEN02092-00
Failure code [B@BAZG] Engine oil pressure too low ................................................................. 4
Failure code [B@BAZK] Engine oil level reduction ..................................................................... 6
Failure code [B@BCNS] Radiator coolant overheat ................................................................... 7
Failure code [B@BCZK] Radiator coolant level reduction .......................................................... 8
Failure code [B@HANS] Hydraulic oil overheat.......................................................................... 10
Failure code [CA111] Abnormality in engine controller................................................................ 10
Failure code [CA115] Abnormality in engine NE and Bkup speed sensors................................. 11
Failure code [CA122] Charge pressure sensor too high ............................................................. 12
Failure code [CA123] Charge pressure sensor too low .............................................................. 14
Failure code [CA131] Throttle sensor too high............................................................................ 16
Failure code [CA132] Throttle sensor too low ............................................................................. 18
Failure code [CA144] Coolant temperature sensor too high ....................................................... 20
Failure code [CA145] Coolant temperature sensor too low ........................................................ 22
Failure code [CA153] Charge temperature sensor too high........................................................ 24
Failure code [CA154] Charge temperature sensor too low ......................................................... 26
Failure code [CA155] Charge temperature too high and engine speed derated......................... 28
Failure code [CA187] Sensor power source 2 too low ................................................................ 30
Failure code [CA221] Ambient pressure sensor too high............................................................ 32
Failure code [CA222] Ambient pressure sensor too low ............................................................. 34
Failure code [CA227] Sensor power source 2 too high............................................................... 36
Failure code [CA234] Engine overspeed .................................................................................... 37
Failure code [CA238] Abnormal power source for Ne speed sensor .......................................... 38
Failure code [CA271] Short circuit in fuel pump actuator............................................................ 39