C5351 (bizhub C554/C454)
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Contents
| Trouble type | Power supply cooling fan motors failure to turn |
| Trouble code | C5351 |
| Rank | B |
| Detection timing | The fan lock signal remains HIGH for a predetermined continuous period of time while the fan remains stationary. |
| Trouble isolation | – |
| Relevant electrical parts | -Power supply cooling fan (FM1) -Printer control board (PRCB) |
(2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 1 | Check the connector between FM1-relay CN26-PRCB CN18 for proper connection and correct as necessary. | – | – |
| 2 | Check the fan for possible overload and correct as necessary. | – | – |
| 3 | FM1 operation check | PRCB CN18-13 (REM)PRCB CN18-15 (LOCK) | 7-C |
| 4 | Replace FM1 (Part# 4139M10000) | – | – |
| 5 | PRCB ICP2 conduction check | – | – |
| 6 | Replace PRCB (C554 Part# A2XKH00104 / C454 A4FJH00104) | – | – |
- Link to the wiring diagram (N.1. bizhub C554/C454)
- Link to the layout drawings for related parts by each trouble code (S.98. C5351)
K3.10.4 (Link to the Field Service Manual)