C5351 (bizhub 658e/558e/458e)

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Trouble typeC5351: Power supply cooling fan failure to turn
RankB
Trouble detection conditionThe 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 CN26-MFPB CN31E for proper connection and correct as necessary.
  2. Check the fan for possible overload and correct as necessary.
  3. FM1 load check
    • Check code: 42
    • Multi code: 1
    • Control signal: MFPB CN31E<A>-9 (REM), MFPB CN31E<A>-11 (LOCK)
    • Location of electrical component: 23-I
  4. Replace FM1. (Part# 4139M10000)
  5. Replace MFPB. (658e/558e Part# AA6RH02103 / 458e Part# AA6UH02101)

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

L.3.16.4 (Link to the Field Service Manual)