C5351 (bizhub C287/C227)

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Contents

Trouble type	C5351: Power supply cooling fan motor failure to turn
Rank	B
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	-Power supply cooling fan (FM1) -MFP board (MFPB)

 Procedure

1. Check the connector between FM1-relay CN49-MFPB CN20E for proper connection and correct as necessary.
2. Check the fan for possible overload and correct as necessary.
3. FM1 operation check
   • Control signal: MFPB CN20E-7 (REM), MFPB CN20E-9 (LOCK)
   • Location of electrical component: 2-J
4. Replace FM1. (Part# 4139M10000)
5. Replace MFPB. (Part# A797H02118)

NOTICE

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

K.3.12.2 (Link to the Field Service Manual)