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