C2355 (bizhub C658/C558/C458)

Contents

Trouble type	C2355: Transfer belt cleaner cooling fan’s 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	• Transfer belt cleaner cooling fan (FM2) • Expansion control board (EXCB)

 Procedure

1. Check the connector between FM2-relay CN115-EXCB CN5 for proper connection and correct as necessary.
2. Check the fan for possible overload and correct as necessary.
3. FM2 operation check
   • Control signal: EXCB CN5-1 (REM), EXCB CN5-3 (LOCK)
   • Location of electrical component: 28-P
4. Replace FM2. (Part# 4139M10000)
5. MFPB F6E conduction check
6. Replace EXCB. (Part# A79JH00500)

NOTICE

• Link to the wiring diagram (bizhub C658/C558/C458)

Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.

K.3.12.5 (Link to the Field Service Manual)