Komatsu PC200-8M0 Shop Manual page 851

400 Troubleshooting of electrical system (E-mode)
E-9 Hydraulic oil temperature gauge does not indicate properly
3) Indication of hydraulic oil temperature gauge is different from actual hydraulic oil temperature.
Failure 4) Indication of hydraulic oil temperature gauge is different from display of hydraulic oil temperature
monitor.
q
Signal of hydraulic oil temperature sensor is input to pump controller and then the data is transmit-
Related infor- ted to machine monitor through CAN communication system.
q
mation Hydraulic oil temperature can be checked with monitoring function
(Code: 04401 Hydraulic oil temperature)
Cause
1 Defective machine monitor
Hydraulic oil temperature gauge and hydraulic
oil temperature monitor
PC200, 200LC, 220, 220LC-8M0
Procedure, measuring location, criteria and remarks
a Turn starting switch to ON position or start engine and perform troubleshooting.
Hydraulic oil temperature
105 °C
102 °C
100°C
85 °C
40°C
20°C
Reading of hydraulic oil
temperature gauge
6
5
4
3
2
1
SEN06138-00
Color of monitor light (a)
Red
Blue
White
29
40-400