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C2353 (bizhub C754e/C654e)
Contents
| Trouble type | IU cooling fan’s failure to turn |
| Trouble code | C2353 |
| Rank | B |
| Detection timing | The fan lock signal remains HIGH for a predetermined continuous period of time while the fan is turning. |
| Trouble isolation | – |
| Relevant electrical parts | • IU cooling fan (FM15) • PH relay board (PHRYB) • Printer control board (PRCB) |
(2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 1 | Check the connectors between FM15-relay CN707-PHRYB CN13 for proper connection, and correct as necessary. | – | – |
| 2 | Check the fan for possible overload and correct as necessary. | – | – |
| 3 | FM15 operation check | PHRYB CN5-1 (REM)PHRYB CN5-3 (LOCK) | 7-B |
| 4 | Replace FM15 (Part# 9313110033) | – | – |
| 5 | PHRYB ICP6 conduction check | – | – |
| 6 | Replace PHRYB (Part# A2X0H00300) | – | – |
| 7 | Replace PRCB (Part# A2X0H00S06) | – | – |
- Link to the wiring diagram (N.1. bizhub C754e/C654e)
- Link to the layout drawings for related parts by each trouble code (S.61. C2353)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
K.3.7.12 (Link to the Field Service Manual)