• Code: E743-0004
• Description: DDI communication error
  The Reader Controller PCB detected the communication error between the Main Controller PCB and the Reader Controller PCB.
• Remedy: 1. Connection error between the Main Controller PCB and the Reader Controller PCB. 2. Failure of the Reader Controller PCB (PCB1). 3. Failure of the Main Controller PCB.

• Code: E744
• Description: Error in language file/BootROM
• Remedy: Download the correct version of the language file.

• Code: E746-0003
• Description: Different Image Analysis PCB model
  Different Image Analysis PCB model.
• Remedy: 1. Check the connection of the Image Analysis PCB. 2. Replace the Image Analysis PCB.

• Code: E746-0021
• Description: Image Analysis PCB self-check error detection
  Image Analysis PCB self-check error detection.
• Remedy: 1. Check the connection of the Image Analysis PCB. 2. Replace the Image Analysis PCB.

• Code: E746-0022
• Description: Invalid Image Analysis PCB version
• Remedy: 1. Upgrade the Image Analysis PCB software. 2. Replace the Image Analysis PCB.

• Code: E746-0023
• Description: No reply from Image Analysis PCB
  No reply from Image Analysis PCB.
• Remedy: 1. Check the connection of the Image Analysis PCB. 2. Replace the Image Analysis PCB.

• Code: E746-0024
• Description: Image Analysis PCB operation error
  Image Analysis PCB operation error.
• Remedy: 1. Check the connection of the Image Analysis PCB. 2. Replace the Image Analysis PCB.

• Code: E746-0031
• Description: Hardware error (TPM)
• Remedy: The TPM PCB is not installed, the TPM PCB for other model is installed, or failure of TPM Chip.