Remedy: 1 Program malfunction Install the latest version of the firmware. 2 Main PCB failure Replace the main PCB ASSY.
Code: E500
Description: An error occurred during access to the DRAM in the main PCB ASSY.
Remedy: 1 Main PCB failure Replace the main PCB ASSY.
Code: E600
Description: Write error in the EEPROM of the main PCB ASSY
Remedy: 1 Main PCB failure Replace the main PCB ASSY.
Code: E900
Description: Failed to initialize the NFC module.
Remedy: 1 Connection failure of the panel PCB flat cable Reconnect the panel PCB flat cable. 2 Panel PCB failure Replace the panel PCB ASSY. 3 NFC PCB failure Replace the NFC PCB ASSY. 4 Main PCB failure Replace the main PCB ASSY.
Code: EC00
Description: An USB device not within the specifications is connected to the USB terminal, resulting in overcurrent.
Remedy: <User Check> • Disconnect the USB device from the USB terminal and turn the machine OFF. Turn the machine ON again after a while. • Replace the USB device with a different one. 1 USB host PCB failure Replace the USB host PCB ASSY. 2 Main PCB failure Replace the main PCB ASSY.
Code: F900
Description: The country code was not entered correctly.
Remedy: 1 The country code was not entered correctly. Reenter the country code. (Refer to "Setting by country (function code: 74)") 2 Main PCB failure Replace the main PCB ASSY.