Troubleshooting By Failure Code (Display Of Code), Part - Komatsu WA250-6 Shop Manual

WHEEL LOADER
WA250-6
WA250PZ-6
Machine model
WA250-6
WA250PZ-6
40 Troubleshooting
350 Troubleshooting by failure code
(Display of code), Part 5
Failure code [DB2RKR] Engine controller CAN-NET: Disconnection in signal line......................................... 3
Failure code [DD1NL4] Fan automatic reverse switch signal: Abnormality .................................................... 8
Failure code [DD1NLD] Fan reverse switch signal: Abnormality .................................................................. 10
Failure code [DDB6KA] Parking brake switch A: Disconnection/Hot short ................................................... 12
Failure code [DDB6KB] Parking brake switch B: Ground fault ..................................................................... 14
Failure code [DDB6KZ] Parking brake switch (bottom switch) or parking brake reminder switch
(intermediate switch): Trouble................................................................................................................... 16
Failure code [DDB6L0] Parking brake switch A: Ground fault ...................................................................... 18
Failure code [DDB6L4] Parking brake switch B: Disconnection/Hot short .................................................... 20
Failure code [DDD7KX] Travel speed control dial signal: Disconnection/Ground fault................................. 22
Failure code [DDD7KY] Travel speed control dial signal: Hot short.............................................................. 24
Failure code [DDE5MA] Emergency steering operation switch: Disconnection............................................ 26
Failure code [DDK3KA] Directional selector switch: Disconnection/Hot short .............................................. 28
Failure code [DDK3KB] Directional selector switch: Ground fault ................................................................ 30
Failure code [DDK6KA] FNR lever: Disconnection/Ground fault .................................................................. 32
Failure code [DDK6KY] FNR lever: Hot short ............................................................................................... 36
Failure code [DDS5L6] Steering: Low oil pressure (Operation of emergency steering) ............................... 38
WA250, 250PZ-6
Serial number
75001 and up
75001 and up
SEN03845-00
40
1
40-350