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Heat not turning on

SJM1
Community Member

‎10-16-2023 07:44 AM - edited ‎10-16-2023 07:48 AM

I installed my Google Nest a few months ago and the air has been working fine. Now that the temperature has dropped my heat is not turning on. (The furnace is working so I believe its a wiring issue) 

I have a green, red, blue, white and yellow wire.   I switched the blue wire from OG to C to see if that would work but it doesn't.  Suggestions?

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Patrick_Caezza
Platinum Product Expert
Platinum Product Expert

‎10-16-2023 08:14 PM

@SJM1 

Post a picture of the original thermostat wiring.

You can't trust the wire colors as there is no standard.


To ensure that I see your reply, please tag me using @Patrick_Caezza
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