Operation LED blinks 4 times and Timer LED blinks 2 times — Forced auto switch error.

What does Operation 4 Times / Timer 2 Times (No display) mean?

The forced auto switch is detected as being held in the 'on' (pushed-in) position for 30 seconds or more.

• The forced auto switch is physically stuck or jammed.
• The controller PCB is defective.

Click steps to track your progress.

1. 1

   Locate the forced auto switch on your unit and check if it is physically stuck in the pushed-in position.

2. 2

   Gently try to release the switch if it appears jammed.

3. 3

   Reset the power to the unit at the circuit breaker after checking the switch.

4. 4

   If the issue persists, the switch or controller PCB may be defective, requiring professional service.