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Komatsu HD785-7 Shop Manual page 17

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00 Index and foreword
Failure code [DX12MA] Front brake proportional pressure reducing solenoid valve:
Malfunction .............................................................................................................................. 18
Failure code [DX13KA] Output circuit of hoist EPC valve: Disconnection .................................. 20
Failure code [DX13KB] Output circuit of hoist EPC valve: Short circuit ...................................... 22
Failure code [DX13KY] Output circuit of hoist EPC valve: Short circuit with power source line .... 24
Failure code [DX17K4] ASR proportional pressure reducing solenoid valve (right):
Trouble (Valve keeps operating) .............................................................................................. 26
Failure code [DX17KA] ASR proportional pressure reducing solenoid valve (right) output circuit:
Disconnection .......................................................................................................................... 28
Failure code [DX17KB] ASR proportional pressure reducing solenoid valve (right) output circuit:
Ground fault............................................................................................................................. 30
Failure code [DX17KY] ASR proportional pressure reducing solenoid valve (right) output circuit:
Short circuit.............................................................................................................................. 32
Failure code [DX17MA] ASR proportional pressure reducing solenoid valve (right):
Trouble (Valve does not operate) ............................................................................................ 32
Failure code [DX18K4] ASR proportional pressure reducing solenoid valve (left):
Trouble (Valve keeps operating) .............................................................................................. 34
Failure code [DX18KA] ASR proportional pressure reducing solenoid valve (left) output circuit:
Disconnection .......................................................................................................................... 36
Failure code [DX18KB] ASR proportional pressure reducing solenoid valve (left) output circuit:
Ground fault............................................................................................................................. 38
Failure code [DX18KY] ASR proportional pressure reducing solenoid valve (left) output circuit:
Short circuit.............................................................................................................................. 40
Failure code [DX18MA] ASR proportional pressure reducing solenoid valve (left):
Trouble (Valve does not operate) ............................................................................................ 40
Failure code [DX21KA] Disconnection in ABS control valve output circuit (Front right).............. 41
Failure code [DX21KB] Ground fault in ABS control valve output circuit (Front right) ................ 42
Failure code [DX21KY] Hot short in ABS control valve output circuit (Front right)...................... 43
Failure code [DX21MA] Defective ABS control valve (Front right).............................................. 44
Failure code [DX22KA] Disconnection in ABS control valve output circuit (Front left) ................ 45
Failure code [DX22KB] Ground fault in ABS control valve output circuit (Front left)................... 46
Failure code [DX22KY] Hot short in ABS control valve output circuit (Front left) ........................ 47
Failure code [DX22MA] Defective ABS control valve (Front left) ................................................ 48
Failure code [DX23KA] Disconnection in ABS control valve output circuit (Rear right) .............. 49
Failure code [DX23KB] Ground fault in ABS control valve output circuit (Rear right) ................. 50
Failure code [DX23KY] Hot short in ABS control valve output circuit (Rear right) ...................... 51
Failure code [DX23MA] Defective ABS control valve (Rear right) .............................................. 52
Failure code [DX24KA] Disconnection in ABS control valve output circuit (Rear left)................. 53
Failure code [DX24KB] Ground fault in ABS control valve output circuit (Rear left) ................... 54
Failure code [DX24KY] Hot short in ABS control valve output circuit (Rear left) ........................ 55
Failure code [DX24MA] Defective ABS control valve (Rear left)................................................. 56
Failure code [DX25MA] Defective ABS front wheel system control valve................................... 57
Failure code [DX26MA] Defective ABS rear wheel system control valve ................................... 57
Troubleshooting by failure code, Part 10
Failure code [DXH1KA] Lockup clutch solenoid output circuit: Disconnection............................
Failure code [DXH1KB] Lock-up clutch solenoid output circuit: Short circuit ..............................
Failure code [DXH1KY] Lockup clutch solenoid output circuit:
Short circuit to power source line ............................................................................................
Failure code [DXH2KA] Hi clutch solenoid output circuit: Disconnection....................................
Failure code [DXH2KB] Hi clutch solenoid output circuit: Short circuit .......................................
Failure code [DXH2KY] Hi clutch solenoid output circuit: Short circuit to power source line ...... 10
Failure code [DXH3KA] Lo clutch solenoid output circuit: Disconnection ................................... 14
Failure code [DXH3KB] Lo clutch solenoid output circuit: Short circuit....................................... 16
Failure code [DXH3KY] Lo clutch solenoid output circuit: Short circuit in power source line...... 18
Failure code [DXH4KA] 1st clutch solenoid output circuit: Disconnection .................................. 22
Failure code [DXH4KB] 1st clutch solenoid output circuit: Short circuit ...................................... 24
Failure code [DXH4KY] 1st clutch solenoid output circuit: Short circuit to power source line..... 26
Failure code [DXH5KA] 2nd clutch solenoid output circuit: Disconnection ................................. 30
HD785-7
SEN01276-12
SEN01947-01
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A10001