• Code: A0-01
• Description: PCU PWB ROM error
• Causes: The firmware version-up is not completed properly by interruption of the power during the version-up operation, etc. PCU PWB trouble.
• Remedy: Use SIM49-1 to perform the firmware version-up procedure again. Replace the PCU PWB.

• Code: A0-02
• Description: SCU PWB ROM error
• Causes: The firmware version-up is not completed properly by interruption of the power during the version-up operation, etc. SCU PWB trouble.
• Remedy: Use SIM49-1 to perform the firmware version-up procedure again. Replace the SCU PWB.

• Code: A0-11
• Description: Firmware version inconsistency (MFP - PCU)
• Causes: Firmware combination error between the MFP and the PCU.
• Remedy: Install the firmware in the all-firmware version-up mode.

• Code: A0-15
• Description: Incompatible DSK BOOT and program firmware
• Causes: Installation of the normal firmware was performed with a security kit enable.
• Remedy: Stop installation of the normal firmware.

• Code: A0-20
• Description: Conflict firmware and EEPROM data version (MFP)
• Causes: Inconsistency between the MFP firmware version and the EEPROM data version.
• Remedy: Check the combination of the firmware.

• Code: A0-21
• Description: Conflict firmware and EEPROM data version (PCU)
• Causes: Inconsistency between the PCU firmware version and the EEPROM data version.
• Remedy: Check the combination of the firmware.

• Code: A0-22
• Description: Conflict firmware and EEPROM data version (SCU)
• Causes: Inconsistency between the SCU firmware version and the EEPROM data version.
• Remedy: Check the combination of the firmware.

• Code: E7-01
• Description: MFP image data error
• Causes: Image data transfer error in the MFPC PWB. MFPC PWB trouble.
• Remedy: Check connection of the connector and the harness of the MFPC PWB. Check or replace the MFPC PWB.