E-27 Alarm Buzzer Does Not Stop Sounding - Komatsu PC88MR-10 Shop Manual

40 Troubleshooting
Troubleshooting of electrical system (E-mode)

E-27 Alarm buzzer does not stop sounding

Alarm buzzer does not stop sounding.
Failure
Condition of signal of alarm buzzer cancel switch can be checked with monitoring
Related
function.
information
(Code: 04504)
No. Cause
Defective machine
1
monitor
40-416
Procedure, measuring location, criteria, and remarks
Machine monitor may be defective. (Since this is an internal defect,
troubleshooting cannot be performed.)
(PC88MR-KB3-400-A-Z0-A)
PC88MR-10