Error 410 — Compressor operation stop due to low pressure protection control or refrigerant leakage

What does 410 mean?

The compressor has stopped due to detected low refrigerant pressure, which could indicate a refrigerant leak or another system issue. This is a critical fault impacting system performance.

• Refrigerant leak in the system
• Low refrigerant charge
• Faulty low-pressure sensor
• Expansion valve malfunction or blockage
• Extremely cold outdoor temperatures

Click steps to track your progress.

1. 1

   Turn off the outdoor unit at the circuit breaker.

2. 2

   Listen for any hissing sounds that might indicate a refrigerant leak around the outdoor unit or refrigerant lines.

3. 3

   Inspect the refrigerant lines for frost or ice buildup, which can be a sign of low refrigerant.

4. 4

   If a leak is suspected or the unit is low on refrigerant, contact a certified HVAC technician immediately.

5. 5

   Refrigerant handling requires specialized tools and licensing.