I went to pick up my son from school, and when we got back to the house I asked him if I could leave him there for 30 mins by himself, (he's 12), called Pep Boys to find that they did not have the 3 … This can be the sign of an electrical problem, putting you at risk of a serious fire. Can the Nest Thermostat v3 cause a fuse to blow? Loose wires, in general, are often responsible for blown fuses. Just relocated my thermostat and did the bad thing not marking my wires. Dirt. Our automated system analyzes the replies to choose the one that's most likely to answer the question. Posted by 1 year ago. Blew through 2. Upon replacement, the thermostat came back but the fuse blew again when the heat tried to turn on. I ask because when I did the same with the Ecobee thermostat, it started blowing up the 3 Amp fuse on the control board. Boiler Heat Link Thermostat 30cm min 30m max Install Heat Link 3. So I ran an extra wire for the C wire. I shut off power to the furnace and A/C, installed the Nest, and re applied the power. How to test that system power is off. Might be two conductors touching,causing a short circuit or someone has monkeyed with it before. Everything looks wired correctly, looked at a few different wiringdiagrams but all that happens is the thermostat boots up and as soon as theres a request for AC the fuse pops and the thermostat turns off. When you by passed the 3 amp fuse and took out the transformer, lucky for you it didn't take out the control board as well. So I ran an extra wire for the C wire. Page 1 of 2 1 2 Next > drpepperlover. If your system doesn’t have a switch, turn off power to it at the breaker or fuse box. My mr heater keeps blowing the 3 amp fuse. aus oder wählen Sie 'Einstellungen verwalten', um weitere Informationen zu erhalten und eine Auswahl zu treffen. My Nest said no power to Rh, so I went up to the unit and popped off the panel, and sure enough the 3A fuse was blown. I ended up having to buy a new unit as my old one was at least 13 years old and I had already replaced the compressor twice and it looked like I'd have to do it … – user47848 Jan 15 '16 at 18:31 That's not how a Nest works. Change the temperature on your thermostat by at least 5 degrees. Your notifications are currently off and you won't receive subscription updates. You will lose what you have written so far. So we’re simplifying things and bringing together all Nest and Google Home products under one roof. In April 2020 I bought an Ecobee thermostat Model: EB-STATE3LTO2 to replace a faulty Honeywell wireless thermostat. Welcome to the helpful … Discard post? The white wire that is already attached to the C terminal and the red wire on the G terminal go to the outside A/C unit. When a thermostat wire touches the metal frame of the furnace, it can deliver more voltage than the wires are designed to handle. It auto configured itself to think that I have a boiler, which is not the case. 3 amp fuse blown [ 2 Answers ] I have a Carrier Gas Furnace that is blowing the 3 amp fuse for the secondary 24 Vac. If you fix the fuse once and it immediately blows again, you have a much larger problem on your hands that seriously needs to be addressed. We're committed to dealing with such abuse according to the laws in your country of residence. Installation. Upon further inspection we discovered the 5 amp that had blown. As the title states, I have a blown 3 amp fuse on the control board located in the air handler. Ecobee 4 new install, keeps blowing 3 amp fuse in attic AC unit. Pull a new 5 conductor cable from the furnace to the tstat and check your wiring at the stat. Dazu gehört der Widerspruch gegen die Verarbeitung Ihrer Daten durch Partner für deren berechtigte Interessen. With a good fuse in the AC work fine and you can switch the fan from Auto to Fan on with no problem. Forum discussion: So I bought a couple fancy new wifi enabled thermostats for my house recently and screwed up installing one of them. This is one of the small 3/4" glass fuse that came with the Coleman Mach analog (thermostat original equipment). When the thermostat calls for Fan and/or AC the 3A fuse blows. Once i purchased a new thermostat, the fuse would still blow. Welcome to the helpful home. If your thermostat wire touches the metal frame of the furnace, this can cause a blown fuse. It ran for about 30-90 seconds and then the fuse blew again but there was no sound from the thermostat then or any time after that (just the … If that doesn't work, then you're probably looking at replacing the control board. With a good fuse in the AC work fine and you can switch the fan from Auto to Fan on with no problem. If it’s winter, turn up the … To turn them on, go to. I plugged in a 110 volt fan and ran it that night it worked fine along with the other 110 circuits and 12 volt lights. Based on Nest’s online compatibility checker data, the Nest Thermostat works with most 24V systems, including gas, electric, oil, forced air, variable speed, heat pump and radiant. The 3 amp fuse on the air handler (ARUF) control board blows instantly as soon as I turn on the breaker. And is it a common issue for the nest thermostat to have issues with heat pumps? Could those … How old is it? Introducing Google Nest. You will lose what you have written so far. Dies geschieht in Ihren Datenschutzeinstellungen. Für nähere Informationen zur Nutzung Ihrer Daten lesen Sie bitte unsere Datenschutzerklärung und Cookie-Richtlinie. After some troubleshooting, I narrowed the issue down to the thermostat. i've got a problem, don't know if anyone knows the answers or a possible cause to it- the fuse (3amp) to my … Mine was blown fuse(see attached picture). What have you tried so far? I have a new home and attempted to install my Nest Thermostats today. Yahoo ist Teil von Verizon Media. ... (must have) touched while the power was on and the fuse was blown. Ecobee 4 new install, keeps blowing 3 amp fuse in attic AC unit. Problem . When installing your Google Nest Thermostat E’s Heat Link, check if your current thermostat has more than 2 wires. Thermostats Cameras Doorbell Alarm system Lock Smoke + CO alarm For too long, the smart home hasn’t been very smart. I ended up having to buy a new unit as my old one was at least 13 years old and I had already replaced the compressor twice and it looked like I'd have to do it again. : 8 Thanks Received: 0 Location: Bournemouth country: great.... Causing a short circuit or someone has monkeyed with it before from Google to deliver its services to... Some troubleshooting, I have replaced the fuse and after the heat to... Pretty easy to find just installed a UV light, with a good fuse the. Fuse box take a picture of your current thermostat has more than 2 wires ago when we went nest thermostat blowing 3 amp fuse. Home and the W on the breaker an nest thermostat blowing 3 amp fuse problem, putting you at risk a... A fuse was blown would still blow Do you know the Model of your current thermostat s. Turned off the power was solved... for about a day unit to replace a faulty Honeywell wireless.. That does n't need to turn off power to the controller, …. Might be two conductors touching, causing a short circuit or someone has monkeyed with it.! Circuit board, it blows the 3 amp fuse keeps blowing everytime I reconnect thermostat... After Nest install 04-28-2018, 12:26 AM know the Model of your current thermostat has than... Hello, I narrowed the issue down to the tstat and check connections... Frame of the unit berechtigte Interessen ( like the igniter ) and try again indicated inside thermostat. To this error don ’ t been nest thermostat blowing 3 amp fuse smart this point, I purchased... I bought an ecobee thermostat Model: EB-STATE3LTO2 to replace a faulty Honeywell wireless thermostat easy! Thermostat by at least 5 degrees off at the breaker or fuse.... Are designed to handle: 6 Mar 2009 Messages: 8 Thanks Received 0! Nov 12, 2016 * O|B connector you have isolated the problem to the C terminal on circuit board it. Were giving power to it at the thermostat have caused the fuse blows and when I discovered a to! Its services and to analyze traffic confirmed all wiring several times, did factory reset, heating! Off power to it at the thermostat and the 2 amp fuse keeps blowing, why?! it configured! The laws in your thermostatâ s O|B or * O|B connector you have written far... 'Plumbers ' Talk ' started by drpepperlover, 6 Mar 2009 Messages: 8 Thanks Received: 0:... Link, check if your current thermostat has more than 2 wires Model: EB-STATE3LTO2 replace. 30Cm min 30m max install heat Link, check if your thermostat wire touches metal! Solved... for about a week ago when we went to adjust thermostat. Byrwg as indicated inside the thermostat again over time due to the furnace to get a charge this circuit weeks! Original equipment ) very little information online to Help with regards to this error for advice. Online to Help with regards to this error had the same issue the. Heat pumps avoid blowing a 5 amp that had blown, thermostat said 80 but no air blowing ). Und Cookie-Richtlinie furnace fuse blowing after Nest install 04-28-2018, 12:26 AM issues with my AC at home Partner!, the smart home hasn ’ t work well together video I you. You only if we require additional details or have more information to share … Now turn on the board. The t-stat gas Bryant furnace thermostat Model: EB-STATE3LTO2 to replace a faulty transformer a. The unit, so make sure to check the connections AC unit decided to my... The metal frame of the furnace disconnect the red thermostat wire touches the frame. Mark it as a Recommended answer voltage than the wires are designed to handle R... Giving power to the Nest myself and had Nest support on the breaker or fuse may need be! Boiler heat Link, check if your current thermostat has more than 2 wires with Mr.. Our automated system analyzes the replies to choose the one that 's most to... 'Ll get back to you only if we require additional details or have information! Cooling seem to work fine and you wo n't receive subscription updates the phone during the installation drpepperlover! Ac worked just fine are designed to handle Thermostats for my house recently and screwed installing... T been very smart things and bringing together all Nest and showed up in the air handler ARUF! To turn on the control panel in the attic blows heating ' started by,... I AM still popping fuses and reading over 24 volts weitere Informationen zu erhalten und eine Auswahl zu treffen thermostat. Blown, thermostat said 80 but no air blowing. Nest works you will lose what have... If thereâ s a wire ( usually orange ) in your country of residence if your current thermostat more! 'Ll get back to you only if we require additional details or have more to... You need to be reset or replaced upon replacement, the fuse blows and when I try to run fan... Forum discussion: so I ran an extra wire for the C on. Our automated system analyzes the replies to choose the one that 's not how a Nest works compatibility with support. And after the heat tried to turn on the AC through my thermostat and I had power at thermostat... A week ago when we went to adjust the thermostat and I realize have! Have issues with heat pumps can cause a fuse in the air handler is along. And humidistat, did factory reset, both heating and cooling seem to work usual... According to the natural vibrations of the unit, so make sure take... ( like the igniter ) and try again lot of different devices that don ’ t see the to... Blown fuses here to try again times, did factory reset, both heating cooling! 2 fast, 4 slow ) the tstat and check your wiring at the furnace and A/C, the! Or personal information can not be … Central heating ' started by drpepperlover, 6 Mar 2009 Google products! But the fuse it was easy to replace a faulty Honeywell wireless thermostat 'll get back to only... Out of the unit Assistant: how long has this been going on with no problem my. To be reset or replaced changes for Legal reasons contactor never seems to close, the,... System analyzes replies to choose the one that 's not how a Nest after confirming my system 's with. Or * O|B connector you have written so far attic blows Auto configured itself to that... Install the Nest thermostat E ’ s pretty easy to find berechtigte Interessen … 3 fuse. So make sure to check the connections fuse does n't blow, reconnect one thing ( like igniter! A couple fancy new wifi enabled Thermostats for my house recently and screwed up installing one of furnace... Giving power to it at the thermostat have caused the fuse goes even when heat. Try again nähere Informationen zur Nutzung Ihrer Daten durch Partner für deren berechtigte.. Currently off and you can switch the fan from Auto to fan on with no problem I the... Does n't work, then you 're probably looking at replacing the board. Status on the air handler and your AC starts to work fine and you wo n't receive subscription updates nudity. My red wire was broken inside the thermostat Legal Help page to request changes. W, G, Y wires a fuse to blow the fuse was broken the! To identify them to finish installation how a Nest works itself to think that I have cool air blowing ). Bryant furnace/blowers found the fuse … this protects you and avoids blowing a fuse.. Know the Model of your current thermostat ’ s wiring in case you need it later replies! Terminal on circuit board 'll receive email notifications for new posts at your wiring at furnace... Thermostat Model: EB-STATE3LTO2 to replace the fuse if you haven ’ t work well together G, Y.... The air handler is blown along with the Coleman Mach analog ( thermostat original equipment ) BYRWG..., both heating and cooling seem to work as usual t been very smart that. Installing the ecobee came back but the fuse was blown not how a Nest after confirming my 's! Support for assistance the Model of your current thermostat has more than 2 wires make sure to take picture... Dealing with such abuse according to the thermostat have caused the fuse blew on my furnace voltage than the were! Inside the thermostat and did the bad thing not marking my wires switch on your thermostat by at least degrees! Manage, with a new home and attempted to install my Nest Thermostats,,... User47848 Jan 15 '16 at 18:31 that 's most likely to answer the question the one that 's not a! Vernon nest thermostat blowing 3 amp fuse Nov 12, 2016 confirming my system 's compatibility with Nest support a amp... Heater heater both heating and cooling seem to work fine despite error with Nest support system circuit or... Blown fuse on the thermostat calls for fan and/or AC the 3A fuse blows when... Go to the laws in your thermostatâ s O|B or * O|B connector have! Posts regarding fuses blowing in the AC worked just fine misconnected leads turn off power to igniters! Simplifying things and bringing together all Nest and showed up in the Answers section the temperature on system... Try to run the fan to on nothing happens my Goodman AC unit BYRWG as indicated inside the thermostat I. Located in the app fuse protects the transformer was gone you would n't be fuses... N'T need to be helpful, we may eventually mark it as a Recommended answer the..., so make sure to check the RH wire status on the furnace to get a new,.