Phaser 6128MFP Service Manual 3-107
Error Messages and Codes
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
■ Right Side Cover, PL1.1.7
■ Right Side Door Switch, PL5.1.9
■ Side Switch harness, PL5.1.27
■ MCU Board, PL10.7.7
■ “Map 1 - MCU Board” on page 10-6
■ “Map 4 - Imaging” on page 10-9
■ “LVPS” on page 10-14
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 Check Right Side Door Switch
operation.
Run the Side Switch test (DI-06)
(page 4-38).
Does the switch operate?
Replace the
MCU Board
(page 8-57).
Go to step 2.
2 Check the Side Switch Harness
connections P/J29 and P/J291.
Are the connections secure?
Go to step 3. Secure the
connections.
3 Check continuity of the Side Switch
Harness. Disconnect P/J29 from the
MCU Board and P/J291 from the
switch.
Is the harness damaged?
Repair the
harness.
Go to step 4.
4 Replace the Right Side Door Switch
(page 8-51).
Does the error persist?
Replace the
MCU Board
(page 8-57).
Complete.