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C1131 (bizhub C754e/C654e)
Contents
| Trouble type | 2nd stopper motor’s drive malfunction | |
| Trouble code | C1131 | |
| Rank | B | |
| Detection timing | <When FS-535+ZU-606 is installed> The 2nd stopper home sensor (PS604) is not turned ON even after the set period of time has elapsed after the 2nd stopper motor (M603) starts searching home position. | |
| Trouble isolation | Z fold | |
| Relevant electrical parts | • 2nd folding stopper motor (M603) • 2nd folding stopper home sensor (PS604) • ZU control board (ZUCB) |
(2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 1 | Check the connector between M603-relay CN675-relay CN30-ZUCB CN15 for proper connection, and correct as necessary. | – | – |
| 2 | Check the connector of M603 for proper drive coupling, and correct as necessary. | – | – |
| 3 | Check the connectors between PS604-relay CN674-relay CN636-ZUCB CN4 for proper connection, and correct as necessary. | – | – |
| 4 | PS604 I/O check, sensor check | ZUCB CN4-5 (ON) | ZU-606 4 to 5-C |
| 5 | M603 operation check | ZUCB CN15-7 to 12 | ZU-606 4-C |
| 6 | Replace M603 (Part# 56GA80062) | – | – |
| 7 | ZUCB ICP6 conduction check | – | – |
| 8 | Replace ZUCB (Part# A109H01002) | – | – |
- Link to the wiring diagram (N.2.6 Z folding unit ZU-606)
- Link to the layout drawings for related parts by each trouble code (S.29. C1131)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
K.3.6.20 (Link to the Field Service Manual)