CC163 (bizhub C650i/C550i/C450i)

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Trouble typeCC163: ROM contents error (PRT)
RankC
Trouble detection conditionThe wrong model of firmware is detected in the engine during the initial connection to the engine is being checked.
Trouble isolation–
Relevant electrical parts-Backup board (ERB)
-CPU board (CPUB)
-Base board (BASEB)

Procedure

  1. Rewrite the firmware.
  2. Replace CPUB. (C650i Part# AA7NH02P03 / C550i Part# AA7PH02P01 / C450i Part# AA7RH02P02)
  3. NOTE
    • When taking the above steps, check whether CPUB is defective or not without replacing the ERB.
  4. 1. Turn OFF the main power switch and replace the current CPUB with a new one.
  5. 2. Update the firmware.
  6. 3. After completing the firmware update, turn OFF and ON the main power switch and check to see that warm-up is started.
  7. 4. When the trouble cannot be solved, reinstall the removed CPUB to the original board.
  8. Replace BASEB. (Part# AA7NH02102)
  9. If the above actions do not solve the problem, contact KM.

L.3.18.8 (Link to the Field Service Manual)