Travel Speed Monitor Does Not Change When Travel Speed Switch Is Operated - Komatsu PC88MR-10 Shop Manual

40 Troubleshooting
Troubleshooting of electrical system (E-mode)
E-25 Travel speed monitor does not change when travel speed switch is
operated
(PC88MR-FFF-400-A-Z0-A)
Travel speed monitor does not change while travel speed switch is operated.
Failure
Condition of signal of travel speed switch can be checked with monitoring function.
Related
(Code: 04504)
information
No. Cause
Defective machine
1
monitor
40-414
Procedure, measuring location, criteria, and remarks
Machine monitor may be defective. (Since this is an internal defect,
troubleshooting cannot be performed.)
PC88MR-10