How Can We Help?
C5351 (bizhub C750i)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
Contents
Trouble type | C5351: PH/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 | -PH/power supply cooling fan (FM1) -Expansion control board (EXCB) -CPU board (CPUB) -Base board (BASEB) |
Procedure
- Check the connector between FM1-relay CN26-EXCB CN10EX 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.
- FM1 load check
- Check code: 42
- Multi code: 1
- Control signal: EXCB CN10EX-6 (REM), EXCB CN10EX-8 (LOCK)
- Location of electrical component: 22-P
- Replace FM1. (Part# A93EM10000)
- Replace EXCB. (Part# AA7NH00500)
- Replace CPUB. (Part# ACKNH02P03)
- Replace BASEB. (Part# ACKNH02101)