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C7301 (bizhub 750i)
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Contents
Trouble type | C7301: PH/power supply 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 | -PH/power supply cooling fan (FM1) -Expansion control board (EXCB) |
Procedure
- Check the connector between FM1-relay CN26-EXCB CN10EX 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: EXCB CN10EX-6 (REM), EXCB CN10EX-8 (LOCK)
- Location of electrical component: 22-P
- Replace FM1. (Part# A93EM10000)
- Replace EXCB. (Part# AC74H00501)