Failure Code [Daj1L6] Hst Controller Main Power Line: Hot Short - Komatsu WA250-6 Shop Manual

SEN03844-00

Failure code [DAJ1L6] HST controller main power line: Hot short

Action code Failure code
E01 DAJ1L6
Contents of
• Hot short was detected in HST controller main power line (battery relay drive voltage system).
trouble
• Continues key OFF processing on assumption that battery relay is turned OFF.
Action of (Turns controller self-holding circuit OFF on assumption that alternator L signal voltage system is
machine monitor turned OFF.)
• Displays error next time when starting switch is turned ON.
Problem that
appears on
• Battery voltage may lower earlier.
machine
Related
• After error is detected, it is displayed next time when starting switch is turned ON.
information
Hot short (Contact with 24V
1
Possible causes
circuit) in wiring harness
and standard
value in normal
state
2 Defective HST controller
26
40-340
Failure code [DAJ1L6] HST controller main power line: Hot short
HST controller main power line: Hot short
Trouble
(HST controller system)
Causes
a Prepare with starting switch OFF, then turn starting switch ON
and carry out troubleshooting.
Between wiring harness HST (female) (13) –
D09 (female) (1), circuit branch end and
ground
Wiring harness between L02 (female) (2) –
D10 (female) (2), circuit branch end and
ground
Wiring harness between E02 (female) (1) –
D09 (female) (2), circuit branch end and
ground
a Prepare with starting switch OFF, then turn starting switch ON to
OFF 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
Voltage Max. 1 V
Voltage Max. 1 V
Voltage Max. 1 V
Voltage
Max. 1 V
WA250, 250PZ-6