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C1143 (bizhub C554/C454)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
Contents
| Trouble type | Leading edge paddle up/down motors malfunction | |
| Trouble code | C1143 | |
| Rank | B | |
| Detection timing | <When FS-535 is installed> The leading edge paddle home sensor (PS16) is not blocked or unblocked even after the set period of time has elapsed after the leading edge paddle up/down motor (M18) is turned ON. | |
| Trouble isolation | – | |
| Relevant electrical parts | -Leading edge paddle up/down motor (M18) -Leading edge paddle home sensor (PS16) -FS control board (FSCB) |
(2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 1 | Check the connector between M18-relay CN243-FSCB CN24 for proper connection, and correct as necessary. | – | – |
| 2 | Check the connector of M18 for proper drive coupling, and correct as necessary. | – | – |
| 3 | Check the connector between PS16-relay CN243-FSCB CN24 for proper connection, and correct as necessary. | – | – |
| 4 | PS16 I/O check, sensor check | FSCB CN24-16 (ON) | FS-535 9-L |
| 5 | M8 operation check | FSCB CN24-17 to 20 | FS-535 9-L |
| 6 | Replace M18 (Part# A11PR72800) | – | – |
| 7 | Replace FSCB (Part# A3EPPPBE01) | – | – |
- Link to the wiring diagram (N.3.10 FS-535)
- Link to the layout drawings for related parts by each trouble code (S.42. C1143)
K3.6.29 (Link to the Field Service Manual)