4-66 Phaser 6128MFP Service Manual
General Troubleshooting
+24 VDC Interlock Switch
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
■ Interlock Harness, PL10.6.4
■ LVPS, PL10.6.16
■ “LVPS” on page 10-14
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 Check the Interlock Harness for 
continuity.
1. Disconnect P/J44.
2. Check continuity between P/J44-1 <=> 
P/J44-3.
Is the circuit continuous when the 
Interlock is activated?
Complete Replace the 
Interlock 
Harness 
(page 8-52).