Goodman HVAC Error Code 11 Flash: How to Fix It

Q: What does Goodman 11 flash error code mean?

Goodman 11 flash error indicates the low pressure switch is open, meaning there's insufficient refrigerant pressure in the heat pump system. This triggers a safety shutdown to protect the compressor from damage.

Q: Can I reset Goodman error code 11 flash?

You can reset the error by turning off power for 5 minutes, but if the underlying refrigerant system problem isn't fixed, the error will return. Simply resetting without addressing the cause can damage the compressor.

Q: Is it safe to run my Goodman heat pump with 11 flash error?

No, never run the system with this error. The 11 flash code indicates dangerous low refrigerant pressure that can cause expensive compressor damage if the system continues operating.

Q: How much does it cost to fix Goodman 11 flash error?

Repair costs vary from $150-$300 for minor leaks or switch replacement, to $1,500-$3,000 for major refrigerant leaks or compressor replacement. The cost depends on the location and severity of the refrigerant system fault.

Q: What causes low pressure switch to open in Goodman heat pump?

Common causes include refrigerant leaks, dirty air filters restricting airflow, frozen evaporator coils, blocked outdoor unit, or a faulty low pressure switch itself. Refrigerant leaks are the most common cause.

Abstract

Goodman HVAC error code 11 flash indicates the low pressure switch is open, signaling a heat pump sealed system fault. This serious error means your system has detected insufficient refrigerant pressure, which can damage the compressor if not addressed immediately. The system will shut down to protect itself from further damage.