Troubleshooting
Phaser 3610, WorkCentre 3615 Service Manual 2-247
FIP 1. 255
042-330 Rear Fan Failure
Cause:
MCU detects an error upon receiving error signal from the Rear Fan.
Solution:
Turn the power Off and On to check that the error recurs, then proceed to the FIP.
Step Check and Action Yes No
1
• Execute the Diag Digital Output [042-001]
to check the rotation of the Rear Fan.
• Is it working properly?
Replace
(REP 5.6 MCU
PWB)
Go to Step 2.
2
• Check the installation of the Rear Fan.
• Manually rotate the Rear Fan. Is there any
resistance?
Reinstall the
Rear Fan
properly
Go to Step 3.
3
• Check the connection between the Rear Fan
and the LVPS, as well as between the LVPS
PWB and the MCU PWB.
• Are the REAR FAN HARNESS ASSEMBLY and
the LVPS HARNESS ASSEMBLY connected
securely?
Go to Step 4.
Securely connect
the REAR FAN HAR-
NESS ASSEMBLY
and the LVPS HAR-
NESS ASSEMBLY
4
• Replace the Rear Fan. PL
Does an error occur? Go to Step 5.
Troubleshooting
complete.
5
• Replace the REAR FAN HARNESS
ASSEMBLY.
• Does an error occur?
Go to Step 6.
Troubleshooting
complete.
6
• Replace the LVPS HARNESS ASSEMBLY.
• Does an error occur?
Go to Step 7.
Troubleshooting
complete.
7
•Replace (REP 5.3 LVPS).
• Does an error occur?
Replace
(REP 5.6 MCU
PWB)
Troubleshooting
complete.