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C5306 (bizhub C658/C558/C458)
Contents
| Trouble type | C5306: IH coil cooling fans failure to turn (bizhub C658/C558) |
| Rank | B |
| Trouble detection condition | The fan lock signal remains HIGH for a predetermined continuous period of time while the fan is turning. |
| Trouble isolation | – |
| Relevant electrical parts | IH coil cooling fan (FM7)Expansion control board (EXCB)MFP board (MFPB) |
Procedure
- Check the connector between FM7-relay CN77-EXCB CN3 for proper connection and correct as necessary.
- Check the fan for possible overload and correct as necessary.
- FM7 operation check
- Control signal: EXCB CN3-1 (REM), EXCB CN3-3 (LOCK)
- Location of electrical component: 26-T
- Replace FM7. (Part# 9313130051)
- Replace EXCB. (Part# A79JH00500)
- MFPB F6E conduction check
- Replace MFPB. (C458 Part# A79MH02102 / C558 or C658 Part # A79JH02102)
NOTICE
- Link to the wiring diagram (bizhub C658/C558/C458)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
K.3.17.3 (Link to the Field Service Manual)