• Code: E301-0001
• Description: Insufficient light intensity in shading
• Remedy: When the same error repeatedly occurs after several times of turning the power OFF/ON, execute the following remedies.
  (1) Check the connection of Flat Cable between Main Controller Board (J5) and Contact Sensor.
  (2) Replace the Flat Cable between Main Controller Board (J5) and Contact Sensor.
  (3) Replace the Contact Sensor.
  (4) Replace the Main Controller Board.

• Code: E736-0000
• Description: Communication error with CCU/modem, or no FAX board installed on FAX model
• Remedy: When the same error repeatedly occurs after several times of turning the power OFF/ON, execute the following remedies.
  (1) Check the connection of connectors between the Main Controller Board (J601, J602) and the FAXNCU Board (J1201, J1204).
  (2) Replace the connectors between the Main Controller Board (J601, J602) and the FAX-NCU Board (J1201, J1204).
  (3) Replace the FAX-NCU Board.
  (4) Replace the Main Controller Board.

• Code: E740-0002
• Description: Error detection on either Network Board or Mac address
• Remedy: When the same error repeatedly occurs after several times of turning the power OFF/ON, execute the following remedies.
  (1) Check the connection of the network cable.
  (2) Replace the Main Controller Board.

• Code: E744-0002
• Description: Language file error
• Remedy: When the same error repeatedly occurs after several times of turning the power OFF/ON, execute the following remedies. Update the set of the Controller Firmware

• Code: E744-4000
• Description: Engine ID error (Invalid engine connection is detected)
• Remedy: When the same error repeatedly occurs after several times of turning the power OFF/ON, execute the following remedies.
  (1) Check the Engine Controller Board.
  (2) Update the Engine Firmware.
  (3) Update the set of the Controller Firmware

• Code: E744-6000
• Description: Communication error with Wireless LAN board.
• Remedy: When the same error repeatedly occurs after several times of turning the power OFF/ON, execute the following remedies.
  (1) Replace the Wireless LAN Board.
  (2) Replace the Main Controller Board.

• Code: E806-0000
• Description: Fan Motor cannot rotate at specified revolution speed
• Remedy: When the same error repeatedly occurs after several times of turning the power OFF/ON, execute the following remedies.
  (1) Replace the Main Fan Unit.
  (2) Replace the Engine Controller Board.