Visitor

 • 

4 Messages

Saturday, June 27th, 2026 2:36 PM

Home Alarm Fails Cellular Connectivity Test

If I go to advanced settings, test connectivity

My broadband(Wifi) tests fine

My cellular connectivity fails

I have opened a case with Xfinity about 7 weeks ago. They have replaced my touchscreen several times and I have rebooted the device multiple times.

Now they tell me that the "error" is in "error" and to just ignore it -- that my cellular signal is fine -- and that they don't plan to fix the error.

So, I said -- this is equivalent to your car having the Check Engine Light on and being told to put tape over the light.

I think that this is utter Bull.

Does anybody else get this error -- or just me?

Oldest First
Selected Oldest First

Official Employee

 • 

2.9K Messages

7 hours ago

 

user_iwvtdl Thanks for sharing those details, I can understand why that would be frustrating.

If your broadband test is passing and your system is otherwise functioning normally, this message is typically related to how the device reports the cellular test rather than an actual loss of cellular connectivity.

In some cases, the touchscreen can show a failed cellular test even when it still has a working backup cellular connection in the background. Since multiple devices have been replaced and the issue remains the same, that does point more toward a reporting or display issue rather than a true signal problem.

If your system is still able to arm, monitor, and communicate as expected, it’s generally safe to rely on the broadband connection, with cellular continuing to act as a backup even if the test result shows as failed.

That said, if you notice any real issues like alerts not going through or the system going offline, definitely let us know so we can take another look right away.

 

Visitor

 • 

4 Messages

7 hours ago

Why not FIX THE problem? Again, if my car has a check engine light on and the dealer tells me to ignore it -- I am not going to shut up. I don't understand this -- why not look into the issue and fix it?

Visitor

 • 

4 Messages

6 hours ago

Great, so fix the firmware to test cellular. Are you telling me that I should take down my WIFI in order to test? Who is running the asylum ? An alarm is supposed to inspire trust and confidence and not some wishful thinking. Please fix.

Official Employee

 • 

3.4K Messages

Good Morning, @user_iwvtdl Thank you for your reply. Because they have swapped the touchscreen multiple times, it is possible the internal cellular card (which utilizes 3G/LTE/5G depending on your model) is fine, but it is picking up localized wireless interference from another device in your home. 

I am an Official Xfinity Employee.
Official Employees are from multiple teams within Xfinity: CARE, Product, Leadership.
We ask that you post publicly so people with similar questions may benefit from the conversation.
Was your question answered? Please mark as Best Answer.tick

Visitor

 • 

4 Messages

Again, I pay for an alarm service with Xfinity. The system is reporting an error, I am not going to ignore it. It behooves Xfinity to fix it, right? I should not be told to ignore an error message especially when it pertains to the safety of my house. How many other people are getting this error message? The Xfinity tech told me "it was a common error" -- perhaps the firmware has a bug, but nobody will actually look to see if the error reproduces outside of my house. Fix it please.

Official Employee

 • 

3.4K Messages

I completely understand your concerns @user_iwvtdl , and you're absolutely right that an error message related to your home security system shouldn't simply be ignored. I can appreciate how frustrating it would be to receive a warning on a service that's designed to help protect your home and not feel like the underlying issue is being fully addressed. I'd like to help get this in front of the appropriate Xfinity Home team for further review. Please send me a DM with your full first and last name and complete service address, and I can work on getting this concern escalated. We'll make sure the team is aware of the troubleshooting that's already been completed and your concerns about the error potentially affecting other customers as well. Thank you for bringing this to our attention, and I look forward to assisting you further. 💙

I am an Official Xfinity Employee.
Official Employees are from multiple teams within Xfinity: CARE, Product, Leadership.
We ask that you post publicly so people with similar questions may benefit from the conversation.
Was your question answered? Please mark as Best Answer.tick
forum icon

New to the Community?

Start Here