Learn what to do when you have a problem with an RTCOA CT30S Thermostat connected to your Xfinity Home security system.
What you'll need
What you'll need
- Xfinity Home
- The Thermostat that you’re having trouble with
Difficulty
Easy
The touchscreen displays a communication failure warning for my thermostat
- If you've had a low battery warning recently, replace the batteries in your Thermostat.
- Reset the Thermostat.
The touchscreen displays a low battery warning for my thermostat
Replace all four batteries in your Thermostat.
My thermostat shows a different temperature than the touchscreen, subscriber portal, or mobile app
If the temperature shown on your physical Thermostat is not in sync with your remote devices, you will need to reset the Thermostat. For instructions, see I Need to Reset My Thermostat.
I need to reset my thermostat
Resetting the Thermostat will not affect the programs or rules that you created.
- Confirm your Thermostat is in Simple mode. Learn more about how to use the RTCOA CT30S thermostat with Xfinity Home.
- If the Thermostat is in Complex mode during the reset, any programming you’ve entered will be lost.
- Press and release the small black Reset button under the Thermostat’s top cover panel.
Additional information
Visit our Online Support Center to find common solutions.
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