Compressor and Outdoor Fan Will Not Start - Freeze protection activated.

What does Freeze-up protection thermostat tripped. mean?

The freeze-up protection thermostat has activated, sensing that the indoor coil is too cold and may be freezing over. This shuts down the compressor to prevent damage.

• Dirty air filter.
• Low refrigerant charge.
• Blocked indoor coil.
• Insufficient airflow.

Click steps to track your progress.

1. 1

   Replace the air filter if it is dirty.

2. 2

   Ensure that all vents and registers are open and unobstructed.

3. 3

   Check for any signs of ice buildup on the indoor coil (requires accessing the indoor unit).

4. 4

   Contact a qualified technician if the problem persists.