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Change temp on app and ac wont come on

Dcane
Community Member

‎09-21-2023 08:58 PM

The app was working fine the night before. But today omce O change the temperature on my app, my ac unit wont respond, but if i change it on the thermostat itself, my unit comes on

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zoeuvre
Community Specialist
Community Specialist

‎09-25-2023 09:58 AM

Hi Dcane,

 

Thanks for posting here in the Community forum, and I'm sorry to hear about the situation. I want to check if you are still in need of any help. If so, please answer the following:

 

  1. What type of Nest Thermostat do you have?
  2. Did you try using the Help Center or troubleshooter before contacting support? If so, which steps have you tried already?
  3. When did cooling last work?
    • If newly installed
      • Check compatibility using the Compatibility Checker tool.
      • Gather all details of the old thermostat & HVAC system.
      • Check the make and model of the cooling and heating system, including the make and model for the, fan-coil or air-handler units.
      • Check if the HVAC system might be using a multi-speed or variable speed fan.
    • If not newly installed, was it working before?
      • Check for any recent changes to the HVAC system or servicing made.
      • When was the last maintenance service and cleaning?
      • Is this the first time you’re calling for cooling this year?
        • If yes, did heating work without issues in the winter?
  4. What type of system do you have? (Heat Pump or conventional type)
    • For Heat Pump:
      • Did you check O/B wire configuration and tried changing the O-wire to B-wire configuration or vice versa?
    • For conventional type:
      • Did you verify if Fan and Heating still work?
  5. Did you  turn off the power to your HVAC system?
    • Are the breakers turned on?
    • Did you recently experience a brownout or blackout?
    • Did you have any construction or maintenance work done on your home?
  6. Do you have a photo of your old thermostat? Make sure your Nest Thermostat is wired correctly and verify that the display is receiving power.
  7. Have you experienced extremely hot weather lately?
  8. Do you see a power code or message on your thermostat?

 

Keep us posted.

 

Best,

Zoe 

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