C5304 (bizhub 658e/558e)
Contents
| Trouble type | C5304: Fusing power supply cooling fan failure to turn (bizhub 658e/558e) |
| 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 | • Fusing power supply cooling fan (FM12) • MFP board (MFPB) |
Procedure
- Check the connector between FM12-relay CN146-MFPB CN15E for proper connection and correct as necessary.
- Check the fan for possible overload and correct as necessary.
- FM12 load check
- Check code: 42
- Multi code: 6, 7
- Control signal: MFPB CN15E<A>-16 (REM), MFPB CN15E<A>-18 (LOCK)
- Location of electrical component: 16-C
- Replace FM12. (Part# 4139M10000)
- Replace MFPB. (658e/558e Part# AA6RH02103 / 458e Part# AA6UH02101)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
L.3.16.2 (Link to the Field Service Manual)