256226/356226/DBA2 (CH83 Main-B Circuit Board Watchdog Error Occurred)

Error contents
  • CH83 Main-B Circuit Board watchdog error occurred.
Suspected cause
  • CH83 Main-B Circuit Board failure (SOC not operating)
Parts/Components to be checked
  1. CH83 Main-B Circuit Board
  2. CH83 Main Board - CH83 Main-B Board FFC
Troubleshooting
StepConfirmation points and methodsPageYESNO
1

Turn power OFF/ON

Does the product recover from the error?

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EndGo to step 2
2

Replace the CH83 Main-B Circuit Board

Does the product recover from the error?

CH83 Main-B Circuit BoardEndGo to step 3
3

Check the connection status of the FFC/cable between the Printer Main Circuit Board and CH83 Main-B Circuit Board

  • Check the connection status of the FFC/cable between the Printer Main Circuit Board and CH83 Main-B Circuit Board (disconnection, skewed connection, inserted halfway, peeled terminal). If an abnormality is found, reconnect it.
  • If there is an abnormality with the FFC/cable between the Printer Main Circuit Board and CH83 Main-B Circuit Board, and the problem is not resolved even after reconnection, then replace the FFC/cable between the Printer Main Circuit Board and CH83 Main-B Circuit Board.

Does the product recover from the error?

CH83 Main Board - CH83 Main-B Board FFCEndEscalate to person in charge