SEN04123-01 40 Troubleshooting
34 PC130-8
E-17 Travel speed does not change 1
Circuit diagram related
Trouble (1) When travel speed switch is operated, travel speed monitor does not change.
Related
information
• Condition of signal of travel speed switch can be checked with monitoring function.
(Code: 04504 Monitor 1st, 2nd line switches)
Possible causes
and standard
value in normal
state
Cause Standard value in normal state/Remarks on troubleshooting
1 Defective machine monitor
Machine monitor may be defective. (Since trouble is in system,
troubleshooting cannot be carried out.)
Trouble (2) When travel speed is shifted, actual travel speed does not change.
Related
information
• If cause 1 occurs, actual travel speed does not lower when travel speed is shifted to Lo.
Possible causes
and standard
value in normal
state
Cause Standard value in normal state/Remarks on troubleshooting
1
Hot short (Short circuit with
24V circuit) in wiring harness
a Prepare with starting switch OFF, then turn starting switch ON
and carry out troubleshooting.
Wiring harness between CP02 (female) (87)
– V04 (female) (2)
Voltage Max. 1 V
2 Defective machine monitor
If cause 1 is not detected, machine monitor may be defective.
(Since trouble is in system, troubleshooting cannot be carried out.)
3 Defective pump controller
If cause 1 is not detected, pump controller may be defective.
(Since trouble is in system, troubleshooting cannot be carried out.)
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