• Code: E743-0000
• Description: FROM RW error
  Flash ROM Read/Write error
• Causes:
• Remedy: • Replace DC controller PCB • Replace Main controller PCB

• Code: E744-4000
• Description: Engine ID error Invalid engine connection was detected.
• Causes:
• Remedy: • Check the supported series or model of the firmware, and burn the correct series or model of firmware.

• Code: E744-6000
• Description: Wireless LAN module communication error
• Causes: Error in communication with the Wireless LAN module (board)
• Remedy: • Replace Wireless LAN PCB

• Code: E806-0000
• Description: Fan Motor 1 failure
  The Fan Motor 1 (power supply) cannot rotate at the specified revolution.
• Causes:
• Remedy: • Replace Fan Motor • Replace Drive PCB

• Code: E840-0000
• Description: Release mechanism abnormality.
  Mechanism does not reach home position (engaged) after home position control begins.
• Causes: Fixing drive assembly defect, fixing release cam defect
• Remedy: • Replace fixing drive assembly • Replace fixing release cam