Welcome to Comcast Help & Support Forums
Find solutions, share knowledge, and get answers from customers and experts

New to the Community? Start here.

5,809,731

members

57

online now

1,955,062

discussions

Top

Unable to reconnect Nest thermostat - error code 700999

New Poster

Unable to reconnect Nest thermostat - error code 700999

I am unable to reconnect my Nest thermostat to my Home service (Nest was deauthorized from the Nest app). I can neither re-sync nor delete the thermostat, either getting blank screens or error code 700999.

 

I'm at the end of my rope, 5 phone calls in with absolutely nobody being able to help.  I feel if I could just disconnect the thermostat in the app (which I can't), I could then reconnect it.  I'm honestly considering discontinuing all my comcast services at this point, because of how infuriatingly frustrating this experience has become.  

Screenshot_20180212-145512.jpg
Screenshot_20180208-193322.jpg
Official Employee

Re: Unable to reconnect Nest thermostat - error code 700999

DSCahan -- 

 

Thanks so much for taking the time to let us know & to provide us with some screenshots.  I've pulled up your account & shared your screenshots with our engineering team to take a look!

 

Thanks, 

 

Rachel




Community Icon
I am an Official Comcast Employee.
Official Employees are from multiple teams within Comcast: Product, Support, Leadership.
We ask that you post publicly so people with similar questions may benefit from the conversation.

Was your question answered? Mark it as an accepted solution!solution Icon
Community Icon
I am an Offical Comcast Employee.
Official Employees are from multiple teams within Comcast.
We ask that you post publicly so people with similar questions may benefit.
Was your question answered? Mark it as an accepted solution!solution Icon
Community Icon
I am a Comcast Employee.
Please post so people with similar questions may benefit.
Was your question answered?
Mark it as a solution!solution Icon
Official Employee

Re: Unable to reconnect Nest thermostat - error code 700999

DSCahan -- 

 

In your first screenshot, are you able to tap the three-dot menu / "..." in the upper right hand corner?  It should open another screen with a button that will allow you to “Disconnect This Account.”  I've attached a screenshot showing this second screen.

 

Thanks, 

 

Rachel

 

screenshot_20180213-150710_1024.png




Community Icon
I am an Official Comcast Employee.
Official Employees are from multiple teams within Comcast: Product, Support, Leadership.
We ask that you post publicly so people with similar questions may benefit from the conversation.

Was your question answered? Mark it as an accepted solution!solution Icon
Community Icon
I am an Offical Comcast Employee.
Official Employees are from multiple teams within Comcast.
We ask that you post publicly so people with similar questions may benefit.
Was your question answered? Mark it as an accepted solution!solution Icon
Community Icon
I am a Comcast Employee.
Please post so people with similar questions may benefit.
Was your question answered?
Mark it as a solution!solution Icon
New Poster

Re: Unable to reconnect Nest thermostat - error code 700999

Rachel,

I am able to tap the three dots, but all I get is a blank screen (attached).

Please note, I have - at the instructions of the multiple Comcast support people I've spoken with on the phone over the last week:

1. Reset my Xfinity Gateway

2. Uninstalled my Home app

3. Force stopped, cleared cache, cleared data, uninstalled the Home app again

4. Tried 2. and 3. from my tablet, as well as my phone

5. Attempted to uninstall the thermostat from my Touchscreen

6. Reset my security. Twice

Screenshot_20180215-120505.jpg