CA053 (bizhub C4050i/C3350i)

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Trouble typeCA053: Controller start failure
RankC
Trouble detection conditionA controller start failure is detected in the controller interface.
Trouble isolation–
Relevant electrical parts• CPU board (CPUB) 
• Base board (BASEB)

Procedure

  1. Check the connectors on BASEB for proper connection and correct as necessary.
  2. Replace CPUB. (Part# A93EH01004)
  3. Replace BASEB. (Part# A93EH02007)

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

L.3.15.1 (Link to the Field Service Manual)