RUN light 2-time flash — Room temperature sensor error

What does RUN light 2 time flash mean?

The RUN light on your air conditioner flashes twice, indicating an error with the room temperature sensor. This sensor helps the unit control the indoor temperature accurately.

• Broken room temperature sensor wire
• Poor connector connection at the room temperature sensor
• Defective outdoor unit boards

Click steps to track your progress.

1. 1

   Check the connections of the room temperature sensor for looseness or damage.

2. 2

   Examine the room temperature sensor wire for any breaks or poor connections.

3. 3

   If the problem continues, turn off the power to the air conditioner and contact your dealer for service.

4. 4

   Ensure the indoor unit's air intake is not blocked, as this can affect sensor readings.

5. 5

   Verify that the sensor itself is not covered or obstructed by furniture or curtains.