P6 - Abnormality of the coil frost/overheating protection modes in indoor unit

What does P6 mean?

This error indicates a problem with the indoor unit's coil frost protection or overheating protection modes, suggesting temperature regulation issues.

• Dirty indoor coil restricting airflow.
• Low refrigerant charge.
• Faulty temperature sensors (e.g., coil sensor).
• Malfunctioning indoor fan.
• Blocked air filter.

Click steps to track your progress.

1. 1

   Turn off the power to the air conditioner at the circuit breaker.

2. 2

   Check and clean or replace the indoor unit's air filters.

3. 3

   Ensure the indoor coil is clean and free of debris or ice buildup.

4. 4

   Restart the unit after 5-10 minutes. If the error reoccurs, contact a qualified technician to check refrigerant levels and sensor operation.