40 Troubleshooting SEN04123-01
PC130-8
57
E-24
While starting switch is in OFF position, service meter is not displayed
1
E-25 Machine monitor cannot be set in service mode 1
Trouble • When starting switch is turned OFF, service meter is not displayed.
Related
information
• While starting switch is at OFF position, if following switches are operated, service meter is dis-
played at top center of screen.
Operation of switches: [4] + [1] (Press simultaneously)
Possible causes
and standard
value in normal
state
Cause Standard value in normal state/Remarks on troubleshooting
1
Defective backup power sup-
ply system
When starting switch is turned ON, if machine monitor displays
nothing, backup power supply system may be defective. In this
case, carry out troubleshooting for “E-1 When starting switch
turned ON, machine monitor displays nothing”.
2 Defective machine monitor
If cause 1 is not detected, machine monitor may be defective.
(Since trouble is in system, troubleshooting cannot be carried out.)
Trouble • Machine monitor cannot be set in service mode.
Related
information
• If following switches are operated, machine monitor is set in service mode.
Operation of switches: [4] + [1] o [2] o [3] (While pressing [4], press other switches in order)
Possible causes
and standard
value in normal
state
Cause Standard value in normal state/Remarks on troubleshooting
1 Defective machine monitor
Machine monitor may be defective. (Since trouble is in system,
troubleshooting cannot be carried out.)