C5351 (bizhub 958/808)
Contents
| Trouble type | C5351: DC power supply cooling fans failure to turn |
| 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 | • DC power supply cooling fan (FM9) • DC power supply unit (DCPU) • MFP board (MFPB) |
Procedure
- Check the connector between FM9-relay CN333-MFPB CN23E for proper connection and correct as necessary.
- Check the fan for possible overload and correct as necessary.
- FM9 operation check
- Control signal: MFPB CN23E-7 (DRIVE), MFPB CN23E-9 (LOCK)
- Location of electrical component: 11-K
- Replace FM9. (Replace Fan Motor)
- Replace DCPU. (bizhub 958/808 (Part# A795R73800 / Part# A795R73700))
- MFPB F6E conduction check
- Replace MFPB. (Part# A796H02003)
NOTICE
- Link to the wiring diagram (bizhub 958/808/758, bizhub PRO 958)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
K.3.11.4 (Link to the Field Service Manual)