Nest thermostat won’t hold power Nest installer has checked all wires no issues found

[MEveritt]

Today, I started experiencing the same issues. I'm waiting on the HVAC person. 

[WillBe]

Mine came and found no power issues I will have to call Google

[MEveritt]

Please share their phone number

[WillBe]

+44-808-169-2307 UK

[Dworkdroid]

I had the same issue. My original thermostat had a jumper between the RH/RC wires. The nest thermostat is supposed to jump the two internally but it doesn't. I had my red power wire connected to the RH and it was not providing enough power so I swapped it to the RC and haven't had an issue since.