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24Vme
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07-19-2022
08-01-2022
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Re: Is my wiring compatible with nest
07-25-2022
No
Re: Compatible
07-25-2022
Yes, for heating only.
Re: Troubleshoot
07-19-2022
You can get the same error if you blow a low-voltage fuse.
Re: Wiring question
07-19-2022
Your current thermostat is wired wrong, when you have RC and RH, the cross-over wire is not supposed to be there. The new nest not going to be compatible with your current setup if you have RC and RH. The older NEST E will support RC and RH I think.