Komatsu ecot3 PC300LC-8 Shop Manual page 751

40 Troubleshooting
8 Defective travel signal
Possible causes
and standard
value in normal
state
9 Defective attachment signal
Defective pump controller,
10 engine controller or machine
monitor
PC300, 350-8
Cause Standard value in normal state/Remarks on troubleshooting
In the case monitoring is not normally indicated, proceed to trouble-
shooting No. E-29.
Monitoring code
In the case monitoring is not normally indicated, proceed to trouble-
shooting No. E-30.
Monitoring code
Since trouble is in system, troubleshooting cannot be carried out.
(If causes 1 – 9 above are not detected, pump controller, engine
controller or machine monitor may be defective.)
Item
01900 Travel
Item
01901 Service
SEN02632-02
Normal display
Operation of lever:
ON
Lever in neutral: OFF
Normal display
Operation of lever:
ON
Lever in neutral: OFF
11