E1 — Indoor temperature sensor failure

What does E1 mean?

The sensor that measures the room temperature inside the indoor unit is malfunctioning or has failed, preventing accurate temperature readings.

• Room temperature sensor failure
• Indoor PCB failure

Click steps to track your progress.

1. 1

   Turn off the air conditioner at the main power switch or circuit breaker.

2. 2

   Wait for at least 30 seconds, then turn the power back on.

3. 3

   Ensure the indoor unit's air intake and outlet are not blocked, allowing proper airflow for the sensor.

4. 4

   If the error persists, contact a qualified technician.