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Getting no power error to nest thermostat....have turn off
getting no power error to nest thermostat....have turn off and switched wire connections...should i be concerned it's my HVAC unit? … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,386 satisfied customers
I installed a brand new nest 3rd gen thermostat. Now, my
Hello i installed a brand new nest 3rd gen thermostat. Now, my hvac system was working fine before removing my thermostat and installing the nest niw the best is telling me that I'm not getting power … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
10,061 satisfied customers
I want to install a smart thermostat. Doesn't look like I
Hello, I want to install a smart thermostat. Doesn't look like I have a C-wire (but there are 4 wires behind the thermostat, all connected). I took the panel off of my furnace and saw that one wire (t… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,386 satisfied customers
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
5,428 satisfied customers
The AC stopped working. Where's the model number. Woke up
Woke up today and it must have stopped during the night. … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
10,061 satisfied customers
I tried to install a nest thermostat per instructions and
I tried to install a nest thermostat per instructions and it's saying it's not receiving power. I couldn't figure it out so I put back on my old thermostat and my air conditioning isn't working but th… read more
Tamar D
Tamar D
Mechanic II
Vocational, Technical or Trade School
1,152 satisfied customers
I recently returned from 4 day vacation to find my
I recently returned from 4 day vacation to find my thermostat, Honeywell Home Round WiFi thermostat not working. I pulled the dial cover off and found the plastic panel that separates the low voltage … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
10,061 satisfied customers
I'm having a problem with the install of my Nest Thermostat.
I'm having a problem with the install of my Nest Thermostat … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
10,061 satisfied customers
How can I find a possible fuse? I was installing a nest
How can I find a possible blown fuse? I was installing a nest thermostat and now it says no power deom … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
10,061 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
5,428 satisfied customers
I have 2 nest thermostats. One upstairs the other down. The
I have 2 nest thermostats. One upstairs the other down. The downstairs thermostat which has been installed and working for over a year recently began showing code of e74 (no power to Rh) and would not… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
10,061 satisfied customers
A friend has a Honeywell AQ250 connected to s boiler. Over
A friend has a Honeywell AQ250 connected to his boiler. Over the holidays his Nest thermostat stopped working - he was on vacation and has renovators working in the house. The Nest has been working fo… read more
bonzaco
bonzaco
466 satisfied customers
I have a Lennox heat pump w/ electrical aux/emergency heat,
Hi there, I have a Lennox heat pump w/ electrical aux/emergency heat, approx. 6-7 years old (can get exact model # ***** I get home). I installed a Nest thermostat the same as the old one (R, C, G, Y,… read more
Appliance Guru
Appliance Guru
21,422 satisfied customers
I turned the furnace off (Carrier Model 59SC2B) at the breaker
I turned the furnace off (Carrier Model 59SC2B) at the breaker to install a Nest thermostat (not my first install) and now the furnace will not turn on. Does it have a pilot to restart? How do I resta… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
10,061 satisfied customers
hi Douglas I am looking to replace my programable thermostate (Honeywell CT8602 with a ne
hi Douglas I am looking to replace my programable thermostate (Honeywell CT8602 with a newer wifi type. The one I am replacing is a master zone compatible as I have a slave thermostat in another room … read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,118 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
21,422 satisfied customers
I just purchased a Nest 2nd generation thermostat and tried
Hello, I just purchased a Nest 2nd generation thermostat and tried to replace my older Honeywell digital thermostat with it. I followed all the directions and the wiring was labelled well. Color / Hon… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,428 satisfied customers
I tried installing a NEST thermostat but it says that my Rc
I tried installing a NEST thermostat but it says that my Rc wire had no power. So I tried putting my old thermostat back in and now I can't get that one to power up. I've checked the fuse box to see i… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,428 satisfied customers
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