C7311 (bizhub C4000i/C3300i)

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Trouble typeC7311: Machine cooling fan failure
RankC
Trouble detection conditionAfter starting the fan, an error is detected for the malfunction detection signal.
Trouble isolation–
Relevant electrical parts• Machine cooling fan (FM1)
• Base board (BASEB)

Procedure

  1. Check the connector between FM1-relay CN23-BASEB CN19E for proper connection and correct as necessary.
  2. Check the connector of FM1 for proper drive coupling and correct as necessary.
  3. FM1 conduction check
    • Control signal: BASEB CN19E-4 (REM), BASEB CN19E-6 (LOCK)
    • Location of electrical component: 9-C
  4. Replace FM1. (Part# A93EM10000)
  5. Replace BASEB. (Part# AAJRH02005)

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

L.3.11.12 (Link to the Field Service Manual)