• Code: E746-0003
• Description: The accessories board is of the wrong type
  At startup, a board for a different model has been detected.
• Remedy: Replace the UFR board of the correct type (model).

• Code: E748-1001
• Description: There is a mismatch between controller board and SDRAM size.
  There is a mismatch between the control board and the SDRAM.
• Remedy: Check the correct combination between board and SDRAM.

• Code: E805-0000
• Description: There is a fan error.
  While the fan is at rest, the lock signal has been detected for 5 sec. While the fan is in operation, the lock signal is not detected for 5 sec
• Remedy: Replace the fan. Replace the DC controller PCB.