C2353 (bizhub C754/C654)
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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 M15-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# A2X0H00102) | – | – |
- Link to the wiring diagram (N.1. bizhub C754/C654)
- Link to the layout drawings for related parts by each trouble code (S.61. C2353)
K.3.7.12 (Link to the Field Service Manual)