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Nest E Test Failing (Wiring Compatibility Issue)

RaccoonHVAC
Community Member

Hello all. I attempted to wire up my Nest E today. After installing according the the wiring diagram that was generated, I got no response from any of the test modes. Fan wouldn't work, no cool or heating. I can provide here a photo of the wiring harness as it was before removing the old thermostat, and I have since reinstalled the old thermostat and it is working with no issue now. 

Any help would be appreciated, thanks!  photo_2022-08-16_01-58-30.jpg

3 REPLIES 3

MelbaDT
Community Specialist
Community Specialist

Hey RaccoonHVAC, 

 

Thanks for reaching out and for the photo. 

 

What system do you have? Do you have a heat pump or a conventional one? Let me know and I'll be glad to take a look into this further.

 

Best, 

Melba

MelbaDT
Community Specialist
Community Specialist

Hey there, 

 

Checking back in should you still need help here. Let us know by replying to this thread. 

 

Best, 

Melba

MelbaDT
Community Specialist
Community Specialist

Hi, 

 

We haven't heard from you in a while so we'll be locking this thread if there is no update within the day. If you have any new issues, updates or just a discussion topic, feel free to start a new thread in the Community.

 

Best, 

Melba