Outdoor heat exchanger thermistor abnormality — Outdoor sensor error

What does Outdoor heat exchanger thermistor abnormality mean?

The temperature sensor for the outdoor heat exchanger is reporting an abnormality. This can affect the efficiency of heat exchange with the outside air.

• Outdoor heat exchanger thermistor defect
• Damaged wiring to the sensor
• Dirt or obstruction on the sensor

Click steps to track your progress.

1. 1

   Turn off the main power switch.

2. 2

   Wait for 5 minutes before turning it back on.

3. 3

   Ensure the outdoor unit is not obstructed.

4. 4

   If the error continues, contact your dealer or service company.