3 Messages

Wednesday, April 12th, 2023 6:09 PM

"Comm failure" in window sensor

I tried the following steps after reading them in your trouble shooting section:

  • Replaced battery with a new one.
  • Remove battery, and put it back after a minute.

The touchscreen still shows "Comm Failure" for 2 sensors in my home.

Could you please help?



3 Messages

2 months ago


Could someone please help?


Official Employee


518 Messages

1 month ago

Hello, @user_69143c - Thank you for bringing this Xfinity Home window sensor concern to the community for assistance. I'm sorry to hear about the difficulty you're having, and I would love to see what we can do to help! To start, have you reviewed how to Fix a Comm Failure Alert from your Xfinity Home Sensor in its entirety? You may have already reviewed troubleshooting steps outlined here, but I want to make sure we provide every resource that may help.

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