C7311 (bizhub 4700i)
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Contents
| Trouble type | C7311: Machine cooling fan failure |
| Rank | C |
| Trouble detection condition | After starting the fan, an error is detected for the malfunction detection signal. |
| Trouble isolation | – |
| Relevant electrical parts | -Machine cooling fan (FM1) -Base board (BASEB) |
Procedure
- Check the connector between FM1-relay CN23-BASEB CN18E for proper connection and correct as necessary.
- Check the connector of FM1 for proper drive coupling and correct as necessary.
- FM1 conduction check
- Control signal: BASEB CN18E-3 (REM), BASEB CN18E-5 (LOCK)
- Location of electrical component: 2-C
- Replace FM1. (Part# A93EM10000)
- Replace BASEB. (Part# ACTAH02014)