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C1134 (bizhub C754e/C654e)
Contents
| Trouble type | Main motor cooling fan’s drive malfunction | |
| Trouble code | C1134 | |
| Rank | B | |
| Detection timing | <When FS-535+ZU-606 is installed> Even after the set period of time has elapsed after the main motor cooling fan (FM601) is turned ON, the FM601 EM signal is faulty and the fan is turned OFF; the signal is faulty after each of the following three trials. | |
| Trouble isolation | – | |
| Relevant electrical parts | • Main motor cooling fan (FM601) • ZU control board (ZUCB) |
(2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 1 | Check the connector between FM601-relay CN653-ZUCB CN11 for proper connection, and correct as necessary. | – | – |
| 2 | Check the connector of FM601 for proper drive coupling, and correct as necessary. | – | – |
| 3 | FM601 operation check | ZUCB CN11-11 (DRV) | ZU-606 8 to 9-C |
| 4 | Replace FM601 (Part# 27LA80511) | – | – |
| 5 | ZUCB ICP8 conduction check | – | – |
| 6 | 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.32. C1134)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
K.3.6.23 (Link to the Field Service Manual)