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I'm getting the nest.com/e24 error ( no power to Rh wire
I'm getting the nest.com/e24 error ( no power to Rh wire detected ).But with my multimeter, I measure 24-volts-ac between the Rh and C wires, which I think is what it should be.The condensate-pan unde… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,429 satisfied customers
I'm having an issue with my Nest. Getting error e73. Have
I'm having an issue with my Nest. Getting error e73. Have had the best 3.5 years. Moved wire from rc to rh and it didn't work. Removed c and it didn't work. This happened once over a year ago. Moved w… read more
Gaztech
Gaztech
Technician
Vocational, Technical or Trade School
1,643 satisfied customers
Uh well are you a human and is this advice free? Just today.
trying to install nest thermostat, have a goodman furnace. i think i got the 4 wires correct but im getting just cold air blowing when setting to heat Installing a 3rd gen Nest thermostat. Had a thermostat working fine, White-Rodgers model # 1F78 NON-PRGM. 6 wires coming from wall, only using 4 on it. White to W, red jumper from Rh to Rc, Green to G, Yellow to Y, Red to Rc. No a/c, just a goodman gas furnace blowing into house thru vents. Model GMS80704BXCC. Installed new 3rd gen Nest, with yellow wire to Y1, green wire to G, Red wire to Rc, White wire to W. Nest thermostat comes on fine, fan blows for fan, fan blows for cool, fan blows for heat but no heat, its cool air. Brand: Goodman Type of HVAC: Thermostat Control… read more
Rick
Rick
Supervisor
28,721 satisfied customers
My wife did not like our nest thermostat so I removed the
My wife did not like our nest thermostat so I removed the nest thermostat and installed a single stage non programmable thermostat. The nest had a black wire connected to the c connection. The new the… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
10,097 satisfied customers
I am installing a nest thermostat. it says the RH has no
i am installing a nest thermostat. it says the RH has no power. when i put back my old thermostat it works. … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
10,097 satisfied customers
I'm having issues after swapping out an old thermostat for a
Hello, I'm having issues after swapping out an old thermostat for a new Nest. Seems the wire are in their appropriate place, but I can't get the heater to kick on now. … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
10,097 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
236 satisfied customers
I am trying to install a NEST 3rd generation. On the old
Hello, I am trying to install a NEST 3rd generation. On the old thermostat, the wiring is Red -> Rc, W -> White, Yellow -> Y1, and Green -> G. There is an extra blue wiring and I checked m… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
10,097 satisfied customers
I think I may have a bad nest out of the box. They are
I think I may have a bad nest out of the box. They are sending me a new one after going through hours of support. But maybe you guys will know something more. … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,429 satisfied customers
Just installed two nest thermostats. one works great but one
just installed two nest thermostats. one works great but one gets a e74 error and says no power. Tried Rc and Rh as well as with and without C … read more
Brian HVAC Guy
Brian HVAC Guy
HVAC Technician
High School
1,029 satisfied customers
Been trying to figure out why my nest keeps Dropping Rc
been trying to figure out why my nest keeps Dropping Rc Power … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
10,097 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
10,097 satisfied customers
I have a Trane XR15 and a Nest learning thermostat - dual fuel
I have a Trane XR15 and a Nest learning thermostat - dual fuel system with a gas furnace. My system has run flawlessly years. Filters are clean. However yesterday the heat just kept running and I can'… read more
Comfort Specialist
Comfort Specialist
Licensee, Designer & Estimator
Vocational, Technical or Trade School
1,369 satisfied customers
I have a bryant evolution hvac system and a thermostat from
I have a bryant evolution hvac system and a thermostat from 2007 that has just an "R" connector for transformer power connections. Question is...for a Nest thermostat, how do I reliably power both coo… read more
MRANSWER
MRANSWER
TECHNICIAN
Bachelor's Degree
6,158 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
8,427 satisfied customers
Im trying to get my NEST to work with a Carrier 58stx07 model
Im trying to get my NEST to work with a Carrier 58stx07 model A/C. My NEST is discharging and I cant figure out why. My NEST shows im getting VOC 36.57, VIN 36.57 LIN 100ma. Yet the device is constant… read more
Appliance Guru
Appliance Guru
21,435 satisfied customers
this is great that I found this site online. My friend works
this is great that I found this site online. My friend works for honeywell - but in space related stuff, not thermostats. Okay - So I love gadgets. I bought the Nest1. I took off my (honeywell, of cou… read more
warmneighbor
warmneighbor
owner
Vocational, Technical or Trade Scho
162 satisfied customers
RAKB-060JAZ just stopped working today for no apparent reason.
Rheem Model# XXXXX just stopped working today for no apparent reason. Checked breakers & thermostat, neither resolved the problem. Fan won't even turn on.… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
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Meet the Experts:

Phil

Phil

Mechanical Engineer

8,427 satisfied customers

Retired HVAC/ Electrical & Boiler contractor. Industrial

Rick Mather

Rick Mather

HVAC Technician

3,133 satisfied customers

35 years experience, HVAC

Matthew

Matthew

HVAC Technician

2,014 satisfied customers

14 years experience in the HVAC field of service, installation, Manual J & D calculations

Brian HVAC Guy

Brian HVAC Guy

HVAC Technician

1,029 satisfied customers

I have been an HVAC/R mechanic/technician for 30+ years.

Kenton Guidry

Kenton Guidry

HVAC Technician

963 satisfied customers

12 years install/service experience.

Tom

Tom

HVAC Technician

770 satisfied customers

16+yrs HVAC/R service. Residential Commerical Industrial

A-1 Tech

A-1 Tech

Service Manager

526 satisfied customers

I have been in the HVAC business for over 40 years.

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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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