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C5370 (bizhub 360i/300i)
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Contents
Trouble type | C5370: Rear side cooling fan failure to turn |
Rank | C |
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 | -Rear side cooling fan (FM3) -CPU board (CPUB) -Base board (BASEB) |
Procedure
- Check the connector between FM3-relay CN193-BASEB CN17 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.
- FM3 operation check
- Control signal: BASEB CN17-3 (LOCK), BASEB CN17-4 (PWM)
- Location of electrical component: 24-D to E
- Replace FM3. (Part# A0EDM10500)
- Replace CPUB. (Part# AC77H02P02)
- BASEB F1 conduction check
- Replace BASEB. (Part# AC77H02101)