Komatsu PC58UU-3 User Manual

TROUBLESHOOTING H-40, H-41
PC58UU-3
20-559
1
H-40, H-41
★
Monitor panel displays error code [61] and boom RAISE, arm IN, and LEFT offset operations stop just
before interference
★
If this trouble occurs, the trouble in h-39 occurs, too.
H-40 Monitor panel displays error code [61] and boom RAISE, arm
IN, and LEFT offset operations stop just before interference
H-41 Machine does not stop boom RAISE, arm IN, and LEFT offset
operations automatically but interferes
Cause Remedy
Defective solenoid valve
Repair or
replace
Cause Remedy
1
Does PPC lock solenoid valve move
smoothly?
No
Defective operation of PPC
lock solenoid valve (It does
not return)
Repair or
replace
Yes
Defective controller Replace

Komatsu PC58UU-3 Specifications

General

Brand	Komatsu
Model	PC58UU-3
Category	Construction Equipment
Language	English