F31 -01 — Suction pressure protection (lack of freon)

What does F31 -01 mean?

The system has detected low suction pressure, which typically indicates a lack of refrigerant (freon) in the system.

• Low levels of freon due to a leak.
• The system is undercharged.
• Blockage in the refrigerant lines.

Click steps to track your progress.

1. 1

   Check for signs of refrigerant leaks.

2. 2

   Ensure the system is correctly charged with freon (professional service may be needed).

3. 3

   Verify that the refrigerant lines are not kinked or blocked.

4. 4

   Turn off the unit, unplug it, wait 30 seconds, and plug it back in to reset.