C5603 (bizhub C360i/C300i/C250i)

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Contents

Trouble typeC5603: Expansion control board communication error
RankC
Trouble detection conditionCommunication error is detected in expansion control board.
Trouble isolation
Relevant electrical parts• Expansion control board (EXCB)
• CPU board (CPUB)
• Base board (BASEB)

Procedure

  1. Reboot the machine.
  2. Check the connector between EXCB CN1EX-BASEB CN11E for proper connection and correct as necessary.
  3. Check the connector between EXCB CN2EX-BASEB CN12E for proper connection and correct as necessary.
  4. Check CPUB for proper installation and correct as necessary.
  5. Replace EXCB. (Part# AA2JH00500)
  6. Replace CPUB. (Part# AA2JH02N06)
  7. Replace BASEB. (Part# AA2JH02005)

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

L.3.11.9 (Link to the Field Service Manual)