• Code: C010
• Description: Backup memory read/write problem (main PCB)
  • Read and write data does not match.
• Causes: Defective backup RAM or main PCB.
• Remedy: Replace the main PCB and check for correct operation.

• Code: C011
• Description: Backup memory data problem (main PCB)
  • Data in the specified area of the backup memory does not match the specified values.
• Causes: Problem with the backup memory data. Defective backup RAM.
• Remedy: Turn safety switch off and back on and run maintenance item U020 to set the contents of the backup memory data again. If the C011 is displayed after re-setting the backup memory contents, replace the backup RAM or main PCB.

• Code: C015
• Description: Backup memory read/write problem (engine PCB)
  • Read and write data does not match.
• Causes: Defective backup RAM or engine PCB.
• Remedy: Replace the engine PCB and check for correct operation.

• Code: C016
• Description: Backup memory data problem (engine PCB)
  • Data in the specified area of the backup memory does not match the specified values.
• Causes: Problem with the backup memory data. Defective backup RAM.
• Remedy: Turn safety switch off and back on and run maintenance item U020 to set the contents of the backup memory data again. If the C016 is displayed after re-setting the backup memory contents, replace the backup RAM or engine PCB.

• Code: C017
• Description: Accounting count problem
  • When the power is turned on, the total count and the scan count are abnormal both on the main PCB and the engine PCB.
• Causes: Defective main PCB or engine PCB.
• Remedy: Replace the main PCB or engine PCB and check for correct operation.

• Code: C018
• Description: Machine number mismatch
  • When the power is turned on, the machine number does not match between the main PCB and the engine PCB.
• Causes: Correct EEPROM is not installed. Data damage of EEPROM.
• Remedy: Install the correct EEPROM. If it does not solve the problem, contact the Service Administrative Division. Contact the Service Administrative Division.

• Code: C021
• Description: Communication problem between the main PCB and engine board PCB
  • When the power is turned on, the machine does not detect the low level of SBSY and the high level of SDIR for three seconds.
• Causes: Poor contact in the connector terminals. Defective main PCB or engine PCB.
• Remedy: Check the connection of connectors YC6 on the main PCB and YC1 on the engine PCB, and the continuity across the connector terminals. Repair or replace if necessary. Replace the main PCB or engine PCB and check for correct operation.

• Code: C041
• Description: Optional DP communication problem
  • Communication fails five times successively.
• Causes: DP installed incorrectly. Defective main PCB or DP driver PCB.
• Remedy: Check the installation state of the DP and adjust it if it is not properly installed. Replace the main PCB or DP driver PCB and check for correct operation.