Ecobee Thermostat Compressor Lockout: How to Fix It

Q: Why does my Ecobee show compressor lockout?

Compressor lockout occurs when outdoor temperatures drop below your heat pump's minimum operating temperature (typically 25-35°F). This prevents damage to the compressor and automatically switches to auxiliary heat.

Q: How long does Ecobee compressor lockout last?

The lockout automatically clears when outdoor temperatures rise above the threshold for at least 30 minutes. During extremely cold weather, this could last for hours or days.

Q: Can I override Ecobee compressor lockout?

You cannot safely override the lockout, as it protects your heat pump from damage. However, you can switch to Emergency Heat mode if your auxiliary heat isn't working properly.

Q: Is compressor lockout bad for my heat pump?

No, compressor lockout is a protective feature that prevents damage to your heat pump. It's normal operation during cold weather and helps extend your system's lifespan.

Q: What temperature triggers Ecobee compressor lockout?

The default lockout temperature is usually set between 25-35°F, depending on your heat pump model. You can check and adjust this setting in your Ecobee's installation settings under Thresholds.

Abstract

The Ecobee compressor lockout occurs when outdoor temperatures drop below your heat pump's operating threshold, typically around 25-35°F. This safety feature prevents damage to your heat pump compressor and switches your system to auxiliary heat only until temperatures rise.