• Code: CC151
• Description: Flash ROM error
  - The copier determines that there is an error if writing to the flash ROM fails during upgrading of the firmware.
  - When the power switch is turned ON, the error indicator lights up steadily and a corresponding message appears on the display.
  - If this error message appears, no operations can then be performed. It is not possible to upgrade the firmware from a PC connected through USB connection, either.
• Remedy: 1 Check the PRCB connectors for proper connection and correct as necessary. 2 Identify the specific firmware that is responsible for the error. 3 Perform upgrading of the firmware. 4 Unplug EEPROM (R22) from PRCB and then plug it back in. 5 Change PRCB.

• Code: CC153
• Description: Engine flash ROM error
  - Data of flash ROM of the engine control system is determined to be faulty.
• Remedy: 1 Check the PRCB connectors for proper connection and correct as necessary. 2 Identify the specific firmware that is responsible for the error. 3 Perform upgrading of the firmware. 4 Unplug EEPROM (R22) from PRCB and then plug it back in. 5 Change PRCB.

• Code: CC163
• Description: Engine connection failure
  - The controller can not communicate with the engine control system
• Remedy: 1 Turn OFF and ON the power switch. 2 Check the PRCB connectors for proper connection and correct as necessary. 3 Change PRCB.

• Code: CD301
• Description: EEPROM error
  - Contact the responsible people of KMBT before taking some countermeasures.
• Remedy: