Description: Write error in the EEPROM of the main PCB ASSY
Remedy: 1 Main PCB failure Replace the main PCB ASSY.
Code: E701
Description: System error in the flash ROM
Remedy: 1 Main PCB failure Replace the main PCB ASSY.
Code: E702
Description: Read error in the flash ROM
Remedy: 1 Main PCB failure Replace the main PCB ASSY.
Code: E900
Description: An error occurred while initializing the NFC.
Remedy: 1 Connection failure of the panel flat cable Reconnect the panel flat cable. 2 Connection failure of the NFC flat cable Reconnect the NFC flat cable. 3 Panel PCB failure Replace the panel PCB ASSY. 4 NFC PCB failure Replace the NFC PCB ASSY. 5 Main PCB failure Replace the main PCB ASSY.
Code: F900
Description: The spec code was not entered correctly.
Remedy: 1 The power was turned OFF while function code 74 was running. Reenter the spec code. (Refer to “Configure for country/region and model (Function code 74)”) 2 Main PCB failure Replace the main PCB ASSY. Memo: . For non touch panel models, simultaneously pressing the [*] and the [#] clears the error display under error code F900 display, and then the maintenance mode can be selected again. . For touch panel models, pressing the [*] or the [#] clears the error display under error code F900 display, and then the maintenance mode can be selected again. . For DCP models, press the ▲ or ▼ the under error code F900 display to select the maintenance mode.