C5360 (bizhub C287/C227)

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Contents

Trouble type	C5360: Clean unit fan failure to turn (When CU-101 is installed)
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	-Exhaust fan/1 (FM14) -Exhaust fan/2 (FM15) -Suction fan (FM16) -Clean unit drive board (CUDB) -MFP board (MFPB)

 Procedure

1. Check the connector between CUDB CN1-MFPB CN29E for proper connection and correct as necessary.
2. Check the connector between FM14-CUDB CN2, FM15-CUDB CN3, FM16-relay CN81-CUDB CN4 for proper connection and correct as necessary.
3. Check the fan for possible overload and correct as necessary.
4. FM14, FM15, FM16 operation check
   • Load check: Check code42, Multi code 5
   • Control signal: CUDB CN2 (FM14), CUDB CN3 (FM15), CUDB CN4 (FM16)
   • Location of electrical component: 12-U (FM16), 12-Y (FM14, FM15)
5. Replace the defective fan. (FM14 / FM15 / FM16) (Parts not sold in the U.S., Contact Konica Minolta technical support if this needs to be replaced.)
6. Replace CUDB. (Part not sold in the U.S., Contact Konica Minolta technical support if this needs to be replaced.)
7. MFPB F16E conduction check
8. Replace MFPB. (Part# A797H02118)

NOTICE

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

K.3.12.3 (Link to the Field Service Manual)