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AC not being cold

Brondyl
Community Member

‎10-12-2024 01:09 PM

We lost power and the AC is not blowing cold air at all

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1 REPLY 1

chaconmorales
Community Specialist
Community Specialist

‎10-15-2024 01:29 PM

Hi Brondyl,

 

Thanks for reaching out to the Community. I am sorry that you are having issues with your Nest Thermostat’s cooling mode, I’d be happy to help you. Let’s check it out.

Before we get started with further details, let me ask you some important questions:

  1. Does the thermostat display show any error codes or messages?
  2. Are you able to share a picture of your wiring?
  3. Have you reviewed the temperature schedule for your thermostat?
  4. What type of system do you have? (Heat Pump or conventional type)
  5. Could you confirm if other modes (like heating) are still working normally?

In the meantime. here are some basic steps you can try to troubleshoot the issue:

1. Check the App and Thermostat Settings:

  • Thermostat: Verify that your thermostat is set to "cool" mode and the desired cooling temperature is lower than the current room temperature. You can check the following guide to Troubleshoot strange heating or cooling behavior.
  • Schedule Verification: Review your Nest's cooling schedule in the app. An unexpected change in the programmed schedule might be causing the continuous cooling.
  • Auto Away Feature: Verify if the "Auto Away" feature is enabled. If it is active, and you're home, it might be interpreting your absence and over-cooling the house. Disable "Auto Away" if you're present.
  • Restart your device: You can also check the following article to Restart or reset a Nest thermostat depending on your device’s model and make sure the correct process is followed.

2. Heating and Cooling System:

  • Air Filter Check: I understand that your system recently received maintenance, but a clogged air filter can restrict airflow and reduce the efficiency of your HVAC system. Replace the air filter with a clean one according to the manufacturer's recommendations.
  • Frozen Coil (Less Likely): In rare cases, the evaporator coil in your air conditioning system might be frozen due to excessive cooling. If you suspect a frozen coil, turn off your air conditioner and consult an HVAC professional for inspection and repair.
  • Check that your system doesn't need maintenance.

Note: If you're not comfortable working with electrical wiring, consult a qualified technician (Nest pro).

Please keep me posted.

 

Best,

Mario

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