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C3307 (bizhub C750i)
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Contents
Trouble type | C3307: Fusing edge cooling fan/Rr 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 | -Fusing edge cooling fan/Rr (FM22) -CPU board (CPUB) -Base board (BASEB) |
Procedure
- Check the connector between FM22-relay CN163-relay CN161-BASEB CN22E 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.
- FM22 load check
- Check code: 42
- Multi code: 19, 20
- Control signal: BASEB CN22E-16 (REM), BASEB CN22E-18 (LOCK)
- Location of electrical component: 13-C
- Replace FM22. (Part# AA7NM10H00)
- Replace CPUB. (Part# ACKNH02P03)
- Replace BASEB. (Part# ACKNH02101)