C5370 (bizhub C287/C227)

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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 HIGH for a predetermined continuous period of time while the fan is turning.
Trouble isolation	–
Relevant electrical parts	-Rear side cooling fan (FM3) -MFP board (MFPB)

 Procedure

1. Check the connector between FM3-MFPB CN6E for proper connection and correct as necessary.
2. Check the fan for possible overload and correct as necessary.
3. FM3 operation check
   • Control signal: MFPB CN6E-1 (REM), MFPB CN6E-3 (LOCK)
   • Location of electrical component: 2-C
4. Replace FM3. (Contact Konica Minolta technical support if this needs to be replaced.)
5. Replace MFPB. (Part# A797H02118)

NOTICE

• Link to the wiring diagram (bizhub C287/C227)

K.3.12.4 (Link to the Field Service Manual)