1 – 42
Chapter 1 Troubleshooting
FIP1.25 MAIN MOTOR
Step Check Yes No
Possible causes:
MAIN MOTOR (PL11.1.2)
HARNESS ASSY LVPS (PL12.1.1)
LVPS (PL12.1.5)
HVPS/MCU (PL12.1.19)
1
Checking MAIN MOTOR
Remove EP CARTRIDGE.
Close COVER OPEN (PL1.1.2).
Does MAIN MOTOR rotate, when the power is turned
ON?
Check by rotation sound of MAIN MOTOR.
Go to step 2. Go to step 3.
2 Is the trouble eliminated? End of work Go to step 3.
3
Checking HARNESS ASSY LVPS for continuity (1)
Remove SHIELD PLATE LVPS. (RRP12.1)
Disconnect P/J41 from LVPS.
Disconnect P/J11 from HVPS/MCU.
Is each cable of P/J41 and P/J11 continuous?
Go to step 4.
Replace HAR-
NESS ASSY LVPS.
4
Checking HARNESS ASSY LVPS for continuity (2)
Remove SHIELD PLATE LVPS. (RRP12.1)
Disconnect P/J42 from LVPS.
Disconnect P/J10 from HVPS/MCU.
Is each cable of P/J42 and P/J10 continuous?
Go to step 5.
Replace HAR-
NESS ASSY LVPS.
5
Checking LVPS Replace LVPS. (RRP12.3)
Is the trouble eliminated?
End of work Go to step 6.
6
Checking HVPS/MCU
Replace HVPS/MCU. (RRP12.10)
Is the trouble eliminated?
End of work
Replace MAIN
MOTOR.
(RRP11.2)
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