TIMER light 2-time flash (RUN light ON) - Outdoor heat exchanger sensor error

What does TIMER light 2-time flash (RUN light ON) mean?

The outdoor unit has detected an issue with its heat exchanger sensor. This sensor monitors temperature in the outdoor coil.

• Broken wire for the outdoor heat exchanger sensor.
• Poor connection at the sensor's connector.

Click steps to track your progress.

1. 1

   Turn off the air conditioner at the main power supply and wait for 5 minutes.

2. 2

   Check the outdoor unit for any debris or obstructions that might be impacting its operation.

3. 3

   If the error continues, contact a qualified service technician to inspect the sensor and wiring.