Working Mode Does Not Change - Komatsu Galeo PC138US-8 Shop Manual

40 Troubleshooting
E-16 Working mode does not change
Trouble (1) When working mode switch is operated, working mode selection screen is not displayed.
Related • Condition of signal of working mode switch can be checked with monitoring function.
information (Code: 04504 Monitor 1st, 2nd line switches)
Possible causes
and standard
value in normal
1 Defective machine monitor
state
Trouble (2) When working mode is changed, setting of engine and hydraulic pump is not changed.
Related
information
Possible causes
and standard 1 Defective machine monitor
value in normal
state
2 Defective pump controller
PC138US, USLC-8
Cause Standard value in normal state/Remarks on troubleshooting
Machine monitor may be defective. (Since trouble is in system,
troubleshooting cannot be carried out.)
Cause Standard value in normal state/Remarks on troubleshooting
Machine monitor may be defective. (Since trouble is in system,
troubleshooting cannot be carried out.)
Pump controller may be defective. (Since trouble is in system,
troubleshooting cannot be carried out.)
SEN02467-00
1
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