Remedy: Check the connection of connector YC26 on the main PWB and relay board, and the continuity across the connector terminals. Repair if necessary. If the problem is not solved, run maintenance item U935 and return the relay board to the Service Administrative Division.
Code: C0100
Description: Backup memory read/write problem • Read and write data does not match.
Causes: Defective main PWB.
Remedy: Replace the main PWB and check for correct operation.
Code: C0110
Description: Backup memory data problem (main PWB) • Data in the specified area of the backup memory does not match the specified values.
Causes: Problem with the backup memory data. Defective main PWB.
Remedy: Problem with the backup memory data. Run maintenance item U021 to set the contents of the backup memory data again. Defective main PWB. If the C0110 is displayed after initializing the backup memory, replace the main PWB and check for correct operation.
Code: C0130
Description: Backup memory (EEPROM) device problem • Reading from or writing to EEPROM cannot be performed.
Causes: Defective main PWB. Device damage of EEPROM.
Remedy: Defective main PWB. Replace the main PWB and check for correct operation. Device damage of EEPROM. Contact the Service Administrative Division.
Code: C0140
Description: Backup memory (EEPROM) data problem • Reading data from EEPROM is abnormal.
Causes: Data damage of EEPROM.
Remedy: Contact the Service Administrative Division.
Code: C0150
Description: Backup memory device problem (Engine PWB) • An error occurs in backup data read or write for the engine PWB.
Causes: Data damage of EEPROM.
Remedy: Contact the Service Administrative Division.
Code: C0160
Description: Backup memory data problem (Engine PWB) • Data for backup data check is changed at the check after startup.
Causes: Problem with the backup memory data. Defective engine PWB.
Remedy: Problem with the backup memory data. Run maintenance item U022 to initialize the backup memory data. Defective engine PWB. If the C0160 is displayed after initializing the backup memory, replace the engine PWB and check for correct operation.
Code: C0170
Description: Copy counts problem • A checksum error is detected in the main and engine backup memories for the copy counters.
Causes: Data damage of EEPROM. Defective main PWB. Defective engine PWB.
Remedy: Data damage of EEPROM. Contact the Service Administrative Division. Defective main PWB. Replace the main PWB and check for correct operation. Defective engine PWB. Replace the engine PWB and check for correct operation.