3-60 Phaser 4500/4510 Service Manual
Error Messages and Codes
Close Stacker Cover
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
■ HVPS/engine logic board
■ LVPS
■ Stacker PWBA
■ Rear cover
■ Stacker cover
■ Rear cover switch
■ Rear cover assembly harness
■ “Stacker Signal Diagram” on page 10-37
■ “Stacker General Wiring Diagram” on
page 10-36
■ “Stacker Plug/Jack Locator” on page 10-16
Troubleshooting Procedure
Steps Actions and Questions Yes No
1 Check the stacker rear cover.
Is the tab on stacker rear cover that
actuates the cover switch damaged?
Replace the
stacker rear
cover
(page 8-112)
Go to step 2.
2 Check the stacker rear cover switch:
Enter Service Diagnostics, and from
the Sensor Tests menu select the
Stacker Cover Switch test.
Is the position correctly reported
when the stacker cover is opened and
closed?
Replace the
HVPS/engine
logic board
(page 8-73).
Go to “Stacker
Rear Cover
Switch” on
page 4-58.
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