Failure Codes Table - Komatsu WA250-6 Shop Manual

SEN03839-00

Failure codes table

Failure
Troubled part
code
2G40ZG Brake
6091NX HST filter
989FN1 Travel speed
AB00L6 Alternator R system
AB00MA Alternator R system
B@BAZG Engine
B@BCNS Engine
B@BCZK Engine
B@C6NS Front brake
B@CRNS HST
CA111 Engine controller
Engine NE, Bkup speed
CA115
sensor
CA122 Charge pressure sensor
CA123 Charge pressure sensor
CA131 Throttle sensor
CA132 Throttle sensor
CA144 Coolant temperature sensor Abnormally high level
CA145 Coolant temperature sensor Abnormally low level
CA153 Charge temperature sensor Abnormally high level
CA154 Charge temperature sensor Abnormally low level
CA155 Charge temperature
CA187 Sensor power supply 2
CA221 Ambient pressure sensor
CA222 Ambient pressure sensor
CA227 Sensor power supply 2
2
40-100
Trouble
Oil pressure reduction
Clogging
Overrun alarm
Hot short
Ground fault/Disconnec-
tion/Low charge level
Oil pressure reduction
Overheat
Low coolant level
High oil temperature
High oil temperature
Internal abnormality
Abnormality
Abnormally high level
Abnormally low level
Abnormally high level
Abnormally low level
Abnormally high speed
derate
Abnormally low level
Abnormally high level
Abnormally low level
Abnormally high level
100 Failure code table and fuse locations
Action Category of
Controller
code record
Mechanical
MON E03
system
Mechanical
MON E01
system
Mechanical
MON E02
system
Electrical
MON E01
system
Electrical
MON E03
system
Mechanical
ENG E03
system
Mechanical
ENG E02
system
Mechanical
MON E01
system
Mechanical
MON E02
system
Mechanical
MON E02
system
Electrical
ENG E03
system
Electrical
ENG E03
system
Electrical
ENG E03
system
Electrical
ENG E03
system
Electrical
ENG E03
system
Electrical
ENG E03
system
Electrical
ENG E01
system
Electrical
ENG E01
system
Electrical
ENG E01
system
Electrical
ENG E01
system
Electrical
ENG E03
system
Electrical
ENG E03
system
Electrical
ENG E01
system
Electrical
ENG E01
system
Electrical
ENG E03
system
Failure codes table
1
Reference
document No.
Troubleshoot-
ing by failure
code (Display
of code), Part 1
SEN03841-00
Troubleshoot-
ing by failure
code (Display
of code), Part 2
SEN03842-00
WA250, 250PZ-6