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Why is my AC outdoor unit not working?

Published in AC Troubleshooting 1 min read

Your AC outdoor unit might not be working due to a few potential issues, one of which could be related to the thermostat.

Potential Causes for a Non-Functioning AC Outdoor Unit

Several factors can prevent your AC outdoor unit from functioning correctly. Here's a breakdown of a common cause:

Thermostat Problems

The thermostat is the control center of your AC system. If it's malfunctioning, it can prevent the outdoor unit from turning on.

  • Issue: The thermostat may not be properly communicating with the rest of your heating and cooling system.

  • Symptom: You might hear a click when you adjust the thermostat, but the AC unit doesn't respond. This suggests the thermostat is attempting to send a signal, but the outdoor unit isn't receiving or processing it.

Troubleshooting Steps

While the thermostat could be the issue, it's important to consider other possibilities. A qualified HVAC technician can diagnose the exact cause and recommend the appropriate repair.