C5357 (bizhub 4700i)
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Contents
| Trouble type | C5357: Machine cooling fan 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 | -Machine cooling fan (FM1) -CPU board (CPUB) -Base board (BASEB) |
Procedure
- Check the connector between FM1-relay CN23-BASEB CN18E for proper connection and correct as necessary.
- Check the fan for possible overload and correct as necessary.
- Check CPUB for proper installation and correct as necessary.
- FM1 load check
- Check code: 42
- Multi code: 1, 2
- Control signal: BASEB CN18E-3 (REM), BASEB CN18E-5 (LOCK)
- Location of electrical component: 2-C
- Replace FM1. (Part# A93EM10000)
- Replace CPUB. (Part# ACTAH01003)
- Replace BASEB. (Part# ACTAH02014)