Komatsu BR380JG-1E0, Shop Manual, Page: 316 / 841

SEN02304-00 30 Testing and adjusting
10
BR380JG-1E0
Failure code table
User
code Failure
code
Failure contents
Alarm
buzzer
Applicable
equipment History
classification
— 7RC1KB Short circuit conveyor ON switch W/E Electrical system
— 7RC2KA Disconnection in conveyor OFF switch W/E Electrical system
— 7RC5KB Short circuit in feeder ON switch W/E Electrical system
— 7RD2KB Short circuit in conveyor reverse relay W/E Electrical system
— 7RD2KZ Disconnection or short circuit in conveyor reverse relay W/E Electrical system
— 7RE1KB Short circuit in crusher ON switch W/E Electrical system
— 7RE2KA Disconnection in crusher OFF switch W/E Electrical system
— 7RE6KB Short circuit in muck conveyor ON switch W/E Electrical system
— 7RE7KA Disconnection in muck conveyor OFF switch W/E Electrical system
— 7RE8KB Short circuit in magnetic separator ON switch W/E Electrical system
— 7RE9KA Disconnection in magnetic separator OFF switch W/E Electrical system
— 7REAKB Short circuit in accessory Input circuit W/E Electrical system
— 7REDMA Abnormality in conveyor pressure sensor W/E Electrical system
— 7REEMA Abnormality in muck conveyor pressure sensor W/E Electrical system
— 7RENKZ Abnormality in clearance potentiometer W/E Electrical system
— 7REPKA Disconnection in feeder OFF switch W/E Electrical system
— 7RESKB Short circuit in one-touch start switch W/E Electrical system
— 7RETKA Disconnection in one-touch stop switch W/E Electrical system
— 7RF2KA Disconnection in crusher forward EPC solenoid W/E Electrical system
— 7RF2KB Short circuit in crusher forward EPC solenoid W/E Electrical system
— 7RF2KY Short circuit in crusher forward EPC solenoid W/E Electrical system
— 7RF3KA Disconnection in crusher reverse EPC solenoid W/E Electrical system
— 7RF3KB Short circuit in crusher reverse EPC solenoid W/E Electrical system
— 7RF3KY Short circuit in crusher reverse EPC solenoid W/E Electrical system
— 7RF4KA Disconnection in feeder forward EPC solenoid W/E Electrical system
— 7RF4KB Short circuit in feeder forward EPC solenoid W/E Electrical system
— 7RF4KY Short circuit in feeder forward EPC solenoid W/E Electrical system
— 7RFAKY Short circuit in engine stop relay W/E Electrical system
— 7RFAKZ Disconnection or short circuit in engine stop relay W/E Electrical system
— 7RFBKB Short circuit in muck conveyor solenoid W/E Electrical system
— 7RFBKZ Disconnection or short circuit in muck conveyor solenoid W/E Electrical system
— 7RFCKA Disconnection in magnetic separator solenoid W/E Electrical system
— 7RFCKB Short circuit in magnetic separator solenoid W/E Electrical system
— 7RFCKY Short circuit in magnetic separator solenoid W/E Electrical system
— 7RFHKB Short circuit in conveyor forward relay W/E Electrical system
— 7RFHKY Short circuit in conveyor forward relay W/E Electrical system
— 7RFKKB Short circuit in lock cylinder pull relay W/E Electrical system
— 7RFKKY Short circuit in lock cylinder pull relay W/E Electrical system
— 7RFLKA Disconnection in accessory EPC solenoid W/E Electrical system
— 7RFLKB Short circuit in accessory EPC solenoid W/E Electrical system
— 7RFLKY Short circuit in accessory EPC solenoid W/E Electrical system
— 7RFMKY Short circuit in abnormal pressure relay W/E Electrical system
— 7RFMKZ Disconnection or short circuit in abnormal pressure relay W/E Electrical system
— 7RFNKA Disconnection in lock cylinder unlock solenoid valve W/E Electrical system
— 7RFNKB Short circuit in lock cylinder unlock solenoid valve W/E Electrical system
— 7RFNKY Short circuit in lock cylinder unlock solenoid valve W/E Electrical system
— 7RFPKB Short circuit in lock cylinder push relay W/E Electrical system
— 7RFPKY Short circuit in lock cylinder push relay W/E Electrical system
— 7RGAMA Abnormality in 2nd conveyor pressure sensor W/E Electrical system
— 7RJAKA Disconnection in travel lock EPC solenoid valve W/E Electrical system