Operation LED blinks 5 times, Timer LED blinks 1 time, and wired remote shows 51 — Indoor unit fan motor error.

What does Operation 5 Times / Timer 1 Time / 51 mean?

The indoor unit's fan motor is not rotating at at least one-third of its target speed for more than 56 seconds, or has stopped.

• Fan rotation is obstructed or stopped.
• High ambient temperature around the motor.
• Defective indoor unit fan motor.
• Defective controller PCB.

Click steps to track your progress.

1. 1

   Turn off the indoor unit and manually check if the fan rotates freely without obstruction.

2. 2

   Ensure there are no foreign objects blocking the fan blades.

3. 3

   Check the area around the indoor unit for unusually high temperatures that might affect the motor.

4. 4

   Reset power to the unit. If the error persists, professional service is needed to check the fan motor or controller PCB.