Some Areas Of Machine Monitor Screen Are Not Displayed; Function Switch Does Not Operate - Komatsu PC200-8M0 Shop Manual

400 Troubleshooting of electrical system (E-mode)
E-11 Some areas of machine monitor screen are not displayed
E-11 Some areas of machine monitor screen are not displayed
q
Failure
q
Related information
Cause
Defective machine monitor
1
(LCD panel)
Defective machine monitor
2
(body)
E-12 Function switch does not operate
q
Failure
q
Related information
Cause
1 Defective machine monitor
PC200, 200LC, 220, 220LC-8M0
Machine monitor does not display some items
LCD panel may have black pixels (that do not light up) or bright pixels (that stay on). If number
of bright and black pixels do not exceed ten, it does not indicate failure or defect of LCD panel.
a Turn starting switch to ON position and perform troubleshooting.
When following switches are operated, if whole LCD panel is lighted up (whole
surface becomes white), LCD panel has no failure.
q
Operation of switches: [4] and [F2] (Press simultaneously)
If no failure is found by check on cause 1, machine monitor may be defective.
(Since this is an internal defect, troubleshooting cannot be performed.)
Function switch does not work.
Signal of function switch can be checked with monitoring function.
(Code: 04503 Monitor function switch)
Machine monitor may be defective. (Since this is an internal defect, trouble-
shooting cannot be performed.)
Procedure, measuring location, criteria and remarks
Procedure, measuring location, criteria and remarks
SEN06138-00
31
40-400