Failure Code [Daj1L4] Hst Controller Main Power Line: Disconnection/Ground Fault - Komatsu WA250-6 Shop Manual

SEN03844-00
Failure code [DAJ1L4] HST controller main power line: Disconnection/
Ground fault
Action code Failure code
E01 DAJ1L4
Contents of
• Low voltage was detected in HST controller main power line (battery relay drive voltage system).
trouble
Action of
• Starts starting key OFF processing earlier.
machine monitor
Problem that
appears on
• Machine is not affected in particular.
machine
Related
information
Disconnection in wiring har-
ness (Disconnection in wiring
1
Possible causes
or defective contact in con-
and standard
nector)
value in normal
state
2 Defective HST controller
24
40-340

Failure code [DAJ1L4] HST controller main power line: Disconnection/Ground fault

HST controller main power line: Disconnection/Ground fault
Trouble
(HST controller system)
Causes
a Prepare with starting switch OFF, then carry out troubleshooting
without turning starting switch ON.
Wiring harness between HST (female) (13) –
D09 (female) (1), D10 (female) (1)
a Prepare with starting switch OFF, then turn starting switch ON
and carry out troubleshooting.
340 Troubleshooting by failure code (Display of code), Part 4
Standard value in normal state/Remarks on troubleshooting
HST (female)
Between (13) – ground
Resis-
Max. 1 z
tance
Voltage
20 – 30 V
WA250, 250PZ-6