C1131 (bizhub C554/C454)
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Contents
| Trouble type | 2nd stopper motors 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.3.14 ZU-606)
- Link to the layout drawings for related parts by each trouble code (S.33. C1131)
K3.6.20 (Link to the Field Service Manual)