Description: EEPROM read/write error (Main/ Engine PWB) Mismatch of reading data from two locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
Remedy: EEPROM(YS1) Confirm that the EEPROM has been properly installed and repair if failed. Main/Engine PWB Replace the main/engine PWB. EEPROM(YS1) Contact the service support.
Code: 0160
Description: Backup memory data error Illegal data is detected in the EEPROM Counter data checksum does not match in all buffers
Remedy: EEPROM(YS1) Check that the EEPROM (YS1) is firmly installed and repair it if failed. Main/Engine PWB Replace the main/engine PWB. EEPROM(YS1) Contact the service support.
Code: 0170
Description: Billing counting error Checksum error was detected both in the billing counter and IPU backup memory
Remedy: Main/Engine PWB Replace the main/engine PWB. EEPROM(YS1) Contact the service support.
Code: 0180
Description: Machine number mismatch When the power is turned on, the machine number does not match between the main and engine side.
Remedy: Main/Engine PWB Execute U004 machine number setting EEPROM(YS1) Contact the service support.
Code: 0190
Description: Backup memory device error Unable to read out data from the EEPROM. The above remains at 3 times of retries
Remedy: Main/Engine PWB Replace the main/engine PWB. EEPROM(YS1) Contact the service support.
Code: 0500
Description: Drive lock detection by engine firmware The main motor was left rotating when monitoring it in the regular interval (monitored also during the maintenance mode)
Remedy: Main/Engine PWB Turn the power switch off and on If not corrected, replace the main/ engine PWB.