Nothing Is Indicated On The Operation Panel; Opening And Closing Of Front Cover Is Not Detected; Wiper Solenoid Does Not Working - Canon BJ-W3000 Service Manual

25. Nothing is indicated on the operation panel

Problem/Unit
Disconnected
connector
Operation panel
Image controller

26. Opening and closing of front cover is not detected

Problem/Unit
Front cover switch
(SW2)
Engine controller

27. Wiper solenoid does not working

Problem/Unit
Wiper solenoid (SL1)
Engine controller
Step Check item
1 Are the connectors on the operation
panel and image controller con-
nected correctly?
2 Is the trouble corrected by replac-
ing the operation panel?
Step Check item
1 Disconnect the relay connector (J8)
of the front cover switch (SW2). Is
there continuity when connecting
the tester leads rod to the connec-
tors on the switch side and closing
the front cover?
Step Check item
1 Is the trouble corrected by replac-
ing the purge unit?
CHAPTER 5. TROUBLESHOOTING
Result Remedy
NO Connect the connectors properly.
YES Completed.
NO Check the wiring from the opera-
tion panel to the image controller.
If correct, replace the image
controller.
Result Remedy
NO Replace the switch.
YES Replace the engine controller.
Result Remedy
YES Completed.
NO Check the wiring from the solenoid
to the engine controller. If correct,
replace the engine controller.
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