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How can I connect a 3rd generation Mest thermostat?
How can I connect a 3rd generation Mest thermostat? Specifically, the wiring at the Nest and at the Heil unit? … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
7,807 satisfied customers
I'm getting an error on my Nest Thermostat, No Power to RH
I'm getting an error on my Nest Thermostat, No Power to RH wire, E24. The heat will not turn on and now the fan is running and I cannot shut it off. Wondering how to get it to shut off. … read more
Daniel Plourde
Daniel Plourde
plumbing, hvac technichian
Vocational, Technical or Trade School
468 satisfied customers
I have a pretty old furnace, but it is working fine. After
I have a pretty old furnace, but it is working fine. After installing a 3rd generation Nest thermostat, it is indicating I have no power to the rh wire (e24 error). After replacing the 3 fuses I could… read more
Bill
Bill
Service Mgr
114 satisfied customers
I am having a similar issue with my Nest. I have a "No power
I am having a similar issue with my Nest. I have a "No power to Rh wire" error message showing. … read more
Appliance Guru
Appliance Guru
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E24 error message, was working earlier. I did shut off power
e24 error message , was working earlier. I did shut off power to hvac unit but when I turned it back on I got the error message. … read more
Regan Land
Regan Land
General Manager
Vocational, Technical or Trade Scho
768 satisfied customers
I have a nest thermostat and i am presently on generator
I have a nest thermostat and i am presently on generator power in Florida … read more
HvacmanSean
HvacmanSean
Owner
HVAC
234 satisfied customers
I got an e24 error code on my nest thermostat. No power to
I got an e24 error code on my nest thermostat. No power to the rh wire. I took panels off of my furnace to locate any type of fuse but no luck. I don't even see the circuit board. Furnace is old too … read more
Regan Land
Regan Land
General Manager
Vocational, Technical or Trade Scho
768 satisfied customers
I have an e24 error message on my nest - no power to the rh,
I have an e24 error message on my nest - no power to the rh … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,878 satisfied customers
My RUDD ROPD-112QBGA stopped working yesterday. I have a
My RUDD ROPD-112QBGA stopped working yesterday. I have a NEST thermostat that has been working perfectly with the unit for 2+ years. When the service guy was here yesterday he was attempting to fix th… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,878 satisfied customers
I turned ac on today because of 80 degree temperture in
I turned ac on today because of 80 degree temperture in Pittsburgh. AC not working after a few hours . Nest said e24. I rebooted the nest and the ac went on for an; hour then out again … read more
Gaztech
Gaztech
Technician
Vocational, Technical or Trade School
954 satisfied customers
I am having a voltage issue since hvac guy added a C-wire
Hi I am having a voltage issue since hvac guy added a C-wire from AC … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,878 satisfied customers
I am trying to wire a nest thermostat to the ac unit in my
I am trying to wire a nest thermostat to the ac unit in my place. After following the directions from nest, the thermostat was only running the fan, ambient air. Any thoughts on this? … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
7,807 satisfied customers
My upstairs HVAC is not heating or cooling. I have a Nest
My upstairs HVAC is not heating or cooling. I have a Nest thermostat and it appears to be working fine. When I set the Nest to "test" mode for either the heating or the cooling function all I get is a… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
7,807 satisfied customers
I have a bryant 912sa with error 24. I installed nest a few
I have a bryant 912sa with error 24. I installed nest a few weeks ago. I think yesterday the ac tried to kick on (first time since nest installed) and I got an e24 nest error. Now nest is dead. So I n… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
9,991 satisfied customers
I have a Rheem Criterion unit about 11 years old. Its been
I have a Rheem Criterion unit about 11 years old. It's been having a "short cycle" for a couple of month which means the heat will turn on for a few minutes then shuts off without reaching the desired… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
7,807 satisfied customers
Im trying to replace a honeywell CT3500/CT3595 with a Nest
I'm trying to replace a honeywell CT3500/CT3595 with a Nest Thermostat and getting an error that there is no power to my Rc wire. It appears all the wires are connected properly, but honestly I am not… read more
Appliance Guru
Appliance Guru
18,657 satisfied customers
I am trying to put in a new NEST thermostast. I cannot get
I am trying to put in a new NEST thermostast. I cannot get it to work. My old thermostat runs fine with just a W1(white wire) and Rh(red wire). I do have more wires available (yellow, blue, green). Wh… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,362 satisfied customers
I have Carrier 58BV125 gas furnace. Over summer replaced
I have Carrier 58BV125 gas furnace. Over summer replaced mercury thermostat with Nest 2.0. A/C works fine. But heater does not. I have 5 wires Y1, W1, Red, G, C. Nest had me remove C (blue) and A/C wo… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,878 satisfied customers
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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