C3306 (bizhub C750i)
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Contents
Trouble type | C3306: Fusing edge cooling fan/Fr 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/Fr (FM21) -CPU board (CPUB) -Base board (BASEB) |
Procedure
- Check the connector between FM21-relay CN162-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.
- FM21 load check
- Check code: 42
- Multi code: 19, 20
- Control signal: BASEB CN22E-13 (REM), BASEB CN22E-15 (LOCK)
- Location of electrical component: 12-C
- Replace FM21. AA7NM10H00
- Replace CPUB. (Part# ACKNH02P03)
- Replace BASEB.(Part# ACKNH02101)