General Troubleshooting 4-63
Stacker Rear Cover Switch
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
■ Rear Cover Switch
■ Rear Cover Assembly Harness
■ Stacker PWBA
■ Stacker Harness 2
■ HVPS/Engine Logic Board
■ LVPS
■ Stacker Harness 1
■ “Stacker Signal Diagram” on page 10-32
■ “Stacker General Wiring Diagram” on page 10-31
■ “24 V Interlock, Rear Cover Switch, Main Motor, Sub
Fan, Exit Motor Assembly” on page 10-18
■ “Stacker Plug/Jack Locator” on page 10-14
Troubleshooting Procedure
Steps Actions and Questions Yes No
1
Check the Rear Cover Switch (1):
1. Remove the Rear Cover Switch.
2. Test for continuity across J740-2 <=>
J740-1 while pushing and releasing the
Stacker Rear Cover Switch.
Is the switch continuous when pushed,
and open when released?
Go to step 2. Replace the Rear
Cover Switch.
2
Check the Rear Cover Harness:
1. Remove the Rear Cover Harness.
2. Test J74 <=> J740 for continuity.
Is the harness continuous?
Go to step 3. Replace the Rear
Cover Harness.
3
Check Stacker Harness 2:
1. Disconnect P/J70 from Stacker PWBA.
2. Remove Stacker Harness 2.
3. Test J70 <=> J3070 for continuity
Is the harness continuous?
Go to step 4. Replace Stacker
Harness 2.
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