Komatsu PC130-8 User Manual

PC130-8 1
SEN04123-01
HYDRAULIC EXCAVATOR
1SHOP MANUAL
PC130-8
Machine model Serial number
PC130-8 80001 and up
40 Troubleshooting 1
Troubleshooting of electrical system
(E-mode)
Before carrying out troubleshooting of electrical system ................................................................................ 3
Information in troubleshooting table................................................................................................................ 5
E-1 When starting switch turned ON, machine monitor displays nothing ....................................................... 6
E-2 When starting switch turned ON (before starting engine), basic check item lights up.............................. 8
E-3 Engine does not start (Engine does not turn)..........................................................................................11
E-4 Preheater does not operate.................................................................................................................... 14
E-5 Automatic warm-up system does not operate (in cold season).............................................................. 16
E-6 All work equipment, swing, and travel mechanism do not move or cannot be locked ........................... 18
E-7 Precaution lights up while engine is running .......................................................................................... 20
E-8 Emergency stop item lights up while engine is running.......................................................................... 25
E-9 Engine coolant temperature gauge does not indicate normally ............................................................. 26
E-10 Hydraulic oil temperature gauge does not indicate normally................................................................ 27
E-11 Fuel level gauge does not indicate normally ........................................................................................ 29
E-12 Contents of display by machine monitor are different from applicable machine .................................. 31

Komatsu PC130-8 Specifications

General

Brand	Komatsu
Model	PC130-8
Category	Excavators
Language	English