MHI · Air Conditioning
The remote controller LCD displays 'P6', indicating that either freezing protection (in cooling mode) or overheating protection (in heating mode) is currently active.
Click steps to track your progress.
Check and clean the air filters of the indoor unit.
Ensure there are no obstructions blocking airflow to the indoor and outdoor unit's heat exchangers.
Verify that the indoor and outdoor fans are operating correctly.
If the issue persists, a technician should check the refrigerant levels and system components.