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C5358 (bizhub 750i)
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Contents
Trouble type | C5358: HaCS power supply cooling fan failure to turn |
Rank | B |
Trouble detection condition | The fan lock signal remains Low for a predetermined continuous period of time while the fan is turning. |
Trouble isolation | – |
Relevant electrical parts | -HaCS power supply cooling fan (FM5) -Expansion control board (EXCB) -CPU board (CPUB) -Base board (BASEB) |
Procedure
- Check the connector between FM5-EXCB CN9EX for proper connection and correct as necessary.
- Check the fan for possible overload and correct as necessary.
- Check the connector between EXCB CN2EX-BASEB CN12E for proper connection and correct as necessary.
- Check CPUB for proper installation and correct as necessary.
- FM5 load check
- Check code: 42
- Multi code: 17, 18
- Control signal: EXCB CN9EX-1 (REM), EXCB CN9EX-3 (LOCK)
- Location of electrical component: 27-X
- Replace FM5. (Part# A93EM10000)
- Replace EXCB. (Part# AC74H00501)
- Replace CPUB. (Part# ACV7H02P02)
- Replace BASEB. (Part# ACV7H02101)