C5103 (bizhub C3320i)
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Contents
| Trouble type | C5103: Main motor turning at abnormal timing | 
| Rank | B | 
| Trouble detection condition | The control circuit detects motor turning while the motor remains stationary. | 
| Trouble isolation | – | 
| Relevant electrical parts | -Main motor (M1) -CPU board (CPUB) -Base board (BASEB)  | 
Procedure
- Check the connector between M1-BASEB CN17E for proper connection and correct as necessary.
 - Check the loading status of the main drive, and correct the error as necessary.
 - Check CPUB for proper installation and correct as necessary.
 - M1 load check
- Check code: 40
 - Multi code: 1, 2
 - Control signal: BASEB CN17E-1 to 5
 - Location of electrical component: 1-C
 
 - Replace M1. (Part# AA2JM11000)
 - Replace CPUB. (Part# AAJRH01005)
 - BASEB F18E conduction check
 - Replace BASEB. (Part# A93EH02007)
 
L.3.10.1 (Link to the Field Service Manual)
