Indoor heat exchanger sensor abnormal — RUN LED flashes 8 times, TIMER LED flashes 2 times

What does 82 mean?

The indoor heat exchanger sensor is reporting abnormal readings, its wire is disconnected, broken, or short-circuited, leading to an anomalous stop of the unit.

• Indoor heat exchanger sensor wire is disconnected or broken
• Indoor heat exchanger sensor is short-circuited or faulty
• Poor connector connections for the sensor
• Faulty indoor PCB

Click steps to track your progress.

1. 1

   Turn off the main power to the unit.

2. 2

   Locate the indoor heat exchanger sensor.

3. 3

   Inspect the sensor wire for any visible disconnections, breakage, or signs of a short circuit.

4. 4

   Check the connector connections for the sensor, ensuring they are securely plugged in and free from corrosion.

5. 5

   Reconnect any loose wires or connectors firmly.