Operation indicator blinks 12 times — Indoor control system error

What does 12-time blink mean?

The operation indicator blinks 12 times, indicating an issue with the indoor electronic control system. The unit may not be able to read data correctly from its non-volatile memory.

• The indoor electronic control P.C. board cannot properly read data
• Potential corruption in the non-volatile memory

Click steps to track your progress.

1. 1

   Visually inspect the indoor electronic control P.C. board for damage.

2. 2

   Ensure the board is correctly seated.

3. 3

   The electronic control P.C. board may need to be replaced.