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Komatsu HD785-7 Shop Manual page 10

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SEN01276-12
Failure code [B@BFZK] Lowering of fuel level............................................................................ 44
Failure code [B@C6NS] Brake cooling oil: Overheating (Front) ................................................. 46
Failure code [B@C7NS] Brake cooling oil: Overheating (Rear).................................................. 47
Failure code [B@CENS] Overheating of torque converter oil ..................................................... 48
Failure code [B@GAZK] Battery electrolyte level: Lowering of level........................................... 49
Failure code [B@JANS] Steering oil: Overheat........................................................................... 50
Troubleshooting by failure code, Part 3
Failure code [CA111] Engine controller (Left bank): Internal abnormality ...................................
Failure code [CB111] Engine controller (Right bank): Internal abnormality .................................
Failure code [CA115] Abnormal engine Ne and Bkup speed sensors (Left bank):
Abnormal speed sensor signal ................................................................................................
Failure code [CB115] Abnormal engine Ne and Bkup speed sensors (Right bank):
Abnormal speed sensor signal ................................................................................................
Failure code [CA122] Charge pressure sensor too high (At left bank only):
Excessively high voltage detected ........................................................................................... 10
Failure code [CA123] Charge pressure sensor too low (At left bank only):
Excessively low voltage detected ............................................................................................ 12
Failure code [CA131] Throttle sensor high error (At left bank only) ............................................ 14
Failure code [CA132] Throttle sensor low error (At left bank only).............................................. 17
Failure code [CA135] Oil pressure sensor too high (At left bank only):
Excessively high voltage detected ........................................................................................... 18
Failure code [CA141] Oil pressure sensor too low (At left bank only):
Excessively low voltage detected ............................................................................................ 20
Failure code [CA144] Coolant temperature sensor too high:
Excessively high voltage detected ........................................................................................... 22
Failure code [CA145] Coolant temperature sensor too low (At left bank only):
Excessively low voltage detected ............................................................................................ 24
Failure code [CA153] Charge temperature sensor too high (At left bank only):
Excessively high voltage detected ........................................................................................... 26
Failure code [CA154] Charge temperature sensor too low (At left bank only):
Excessively low voltage detected ............................................................................................ 28
Failure code [CA187] Sensor power supply (2) abnormally low level (Left bank):
Low voltage detection .............................................................................................................. 30
Failure code [CB187] Sensor power supply (2) abnormally low level (Right bank):
Low voltage detection .............................................................................................................. 30
Failure code [CA212] Engine oil temperature sensor abnormally high level (At left bank only):
High voltage detection ............................................................................................................. 32
Failure code [CA213] Engine oil temperature sensor abnormally low level (At left bank only):
Low voltage detection .............................................................................................................. 34
Failure code [CA221] Atmospheric pressure sensor too high (At left bank only):
Excessively high voltage detected ........................................................................................... 36
Failure code [CA222] Atmospheric pressure sensor too low (At left bank only):
Excessively low voltage detected ............................................................................................ 38
Failure code [CA227] Sensor power source (2) too high (Left bank):
Excessively high voltage detected ........................................................................................... 40
Failure code [CB227] Sensor power supply (2) abnormally high level (Right bank):
High voltage detection ............................................................................................................. 42
Failure code [CA234] Engine over speed (At left bank only): Excessively high speed ............... 44
Failure code [CA238] Abnormal power source for Ne speed sensor (At left bank only):
Excessively low voltage detected ............................................................................................ 46
Failure code [CB238] Abnormal power source for Ne speed sensor (At right bank only):
Excessively low voltage detected ............................................................................................ 48
Failure code [CA263] Fuel temperature sensor too high (Left bank):
Excessively high voltage detected ........................................................................................... 50
Failure code [CB263] Fuel temperature sensor too high (Right bank):
Excessively high voltage detected ........................................................................................... 52
Failure code [CA265] Fuel temperature sensor abnormally low level (Left bank):
Low voltage detection .............................................................................................................. 54
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00 Index and foreword
SEN01940-02
4
6
8
9
HD785-7

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