Outdoor unit fan motor abnormal — RUN LED flashes 4 times, TIMER LED flashes 8 times

What does 48 mean?

The outdoor unit's fan motor is detected to be running at 75 min-1 or lower for 30 seconds or longer, indicating a malfunction or obstruction preventing proper fan operation.

• Faulty outdoor fan motor
• Poor connector connections to the fan motor
• Obstruction preventing fan rotation
• Faulty outdoor PCB

Click steps to track your progress.

1. 1

   Turn off the main power to the unit.

2. 2

   Inspect the outdoor fan motor and fan blades for any obstructions (debris, ice) that might be preventing it from rotating freely and remove them.

3. 3

   Check the electrical connections to the outdoor fan motor for any looseness or damage.

4. 4

   Manually check if the fan blade spins freely without power.

5. 5

   If the fan motor is unobstructed and connections are sound, the outdoor fan motor or outdoor PCB may be faulty and require professional service.