• Code: E744-0002
• Description: Language file error
• Causes: Language file error
• Remedy: When the same error repeatedly occurs although the power is turned OFF and then ON for several times, execute the following remedy. 1. Update the firmware of the Main Controller PCB. 2. Replace the Main Controller PCB.

• Code: E744-4000
• Description: Engine ID error
• Causes: Invalid engine connection was detected.
• Remedy: When the same error repeatedly occurs although the power is turned OFF and then ON for several times, execute the following remedy. 1. Replace the engine controller PCB. 2. Update the firmware of the Main Controller PCB 3. Replace the Main Controller PCB.

• Code: E744-6000
• Description: Wireless LAN communication error
• Causes: Communication error between the Main Controller PCB and the wireless LAN
• Remedy: When the same error repeatedly occurs although the power is turned OFF and then ON for several times, execute the following remedy. 1. Check connectors on the Main Controller PCB and Wireless LAN PCB. 2. Replace the Wireless LAN PCB 3. Replace the Main Controller PCB.

• Code: E760-0001
• Description: Main Controller PCB error
• Causes: Image processing error
• Remedy: When the same error repeatedly occurs although the power is turned OFF and then ON for several times, execute the following remedy. 1. Update the firmware of the Main Controller PCB. 2. Replace the Main Controller PCB.

• Code: E806-0000
• Description: Fan error
• Causes: The Fan Motor (FAN1) cannot rotate at the specified revolution.
• Remedy: When the same error repeatedly occurs although the power is turned OFF and then ON for several times, execute the following remedy. 1. Replace the Main Fan (FAN1) unit. 2. Replace the Engine Controller PCB.

• Code: E808-0001
• Description: Fan error
• Causes: Error in the Edge Left Cooling Fan (FAN3) of the Fixing Assembly
• Remedy: When the same error repeatedly occurs although the power is turned OFF and then ON for several times, execute the following remedy. 1. Replace the Edge Left Cooling Fan (FAN3) of the Fixing Assembly. 2. Replace the Engine Controller PCB.

• Code: E808-0002
• Description: Fan error
• Causes: Error in the Edge Right Cooling Fan (FAN2) of the Fixing Assembly
• Remedy: When the same error repeatedly occurs although the power is turned OFF and then ON for several times, execute the following remedy. 1. Replace the Edge Right Cooling Fan (FAN2) of the Fixing Assembly. 2. Replace the Engine Controller PCB.