Comcast XHD2 Installation Download Page 2

2.

 

Insert one CR2 battery into the battery slot, positioning 
the positive (+) end of the batteries as shown in the 
battery diagram. 
 

Important:

 If you're replacing the battery in response 

to a low battery alert, wait 10 seconds between 
removing the current battery and inserting the new 
battery. The alert won’t clear if the battery is replaced 
too quickly. 

 

3.

 

Once the battery is installed, slide the battery cover to 
close the device. The LED will light green for two 
seconds. 
 
If you’re replacing the battery, confirm that the low 
battery alert has resolved and the Sensor appears on 
your list of connected devices in your touchscreen or 
your Xfinity Home app. 
 
See 

https://www.xfinity.com/support/articles/test-

xh-sensors

 for how to test the sensor to confirm it's 

working correctly. 

 

4.

 

If the LED remains green or blinks 3 times every 5 
seconds, that means the device has been 
disconnected from the touchscreen. To resolve this 
state, contact support at 1-800-xfinity. 

 

 
Need Help?

 Find these instructions online at 

https://www.xfinity.com/support/articles/xhd2-install-batteries

Get more troubleshooting support at

 

https://www.xfinity.com/support/gettingstarted/troubleshooting/

 

or contact a customer service expert at 1-800-

XFINITY. 

Help Protect Our Environment:

 Please properly recycle your discarded batteries, which are conveniently accepted at 

various locations. To find a recycling location near you, check 

call2recycle.org

 or call 1-800-8-Battery (1-800-822-8837). 

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