Possible Frozen Coil

What does FROZEN_COIL mean?

The system may have a frozen coil, which occurs when moisture in the air freezes on the indoor coil due to restricted airflow or low temperatures.

• Dirty air filter
• Low refrigerant charge
• Blocked indoor airflow
• Blower motor malfunction

Click steps to track your progress.

1. 1

   Check and replace the air filter if it is dirty.

2. 2

   Ensure indoor vents are not closed or blocked.

3. 3

   Turn the system to fan-only mode to help melt ice.

4. 4

   Contact an HVAC technician if you suspect low refrigerant or a blower issue.