E82 - No power to W1 wire detected: The Nest Thermostat is physically detecting a wire in the W1 connector but isn't detecting any power to it. If Heat does not turn on , try Rc to Rh wire switch , if AC or heat does not then base is no good , order new base from nest. Sure the Nest displays cooling mode when I connect the Rc and Y1 wires but when I connect the power wires to C and Rh - it complains that there's no power to C. Power comes through the red wire to Rh. 1. ="width:120px;height:240px;" marginwidth="0" … Furnace is a Lennox 80UHG with a Surelight Integrated control board. The Nest tech is incorrect - There is power to the thermostat. - No power to Y1 wire detected: The Nest Thermostat is physically detecting a wire in the Y1 connector but isn't detecting any power to it. ... Christmas Day New Nest Thermostat wiring. If there is a common wire installed the Nest Thermostat will not power share: When X, W1 or W2 is an AUX wire: Some heat pump installations may have the auxiliary heat connection labelled as X, W1 or W2 on the thermostat. (Heat) Hello! (Fan) Y terminal will use the yellow wire. Advertisement E83 - Heat pump can have at most one auxiliary heat wire Nest separates these two, but if there’s only one wire, it should go into the Rh port. Contractor's Assistant: Do you plan on doing the work yourself? My Nest Thermostat said "No power to RH wire detected" I have tried turning circuit breaker on and off No luck The nest thermostat has gone all black now, like it is not on. Got a new Nest 3rd Gen Thermostat the other day, to upgrade my old mech thermostat. ... I’ve been having a similar issue with my Rh wire on the gen 3 device. This morning, when I walked by nest, it had a Wiring Report message with E24 displayed...meaning no power to Rh wire detected. I put the AC on late last night, it turned on and cool air was coming out. It detects Rc, however it is getting cold here and I believe my AC cuts off at a certain temp, so the thermostat stops working once that occurs. (Air conditioner) W terminal will use the white wire. It worked fine until a few weeks ago. Archived. When we jumped Rh to G and the fan came on that verified that there is power through the red wire. Contractor's Assistant: Just to clarify, do you think this is a larger HVAC problem, or something specific to the thermostat? Having an odd issue. first time poster so please be gentle. If that doesn’t work, try putting the red wire in the Rc port to see if it registers. No power to R wire (randomly) Close. 35. Use a Common Wire With a Nest Thermostat (or Suffer the Consequences) ... as the detection of the Rc and Rh was transient at best. You should verify that the X wire on the old thermostat is not a common wire. G terminal will use the green wire. 1412My Nest Learning Thermostat, 3rd Generation, Works with Amazon Alexa has been working fine since installation 7 months ago. Take your 24v transformer put one wire in Rh the other in C. Connect a 2nd wire to C and run that to one terminal on the power side of the relay, connect a wire to W1 on the thermostat and run that to the other terminal on the power side of your relay… Then connect the two wires you set aside to the normally open side of your relay. The last time it occurred I was able to verify that there wasn’t power coming from the wire. I naively thought that I could just move the Rh wire to Rc and the W1 wire to Y1, then move the independent transformer wires to C and Rh, but it doesn't seem to work. Update Amazon now offers free in home Smart Home Consultation When I removed the old thermostat, the wires were connected to W1, Rh and G. The Nest would not stay charged, so I read enough to realize I would need a common wire. keep wire configuration as told - powered from the AC trans only . Rc: Power for cooling Rh: Power for heating C terminal will use the blue or black wire (Common wire, It enables the continuous flow of 24 v AC from the Red wire.) I recently bought a Nest thermostat for my home. Posted by 3 years ago. FI don't know. I have Rh Rc Y W G. The nest is not detecting the RH Wire when inserted. Go to settings - equipment - pro setup - turn all yellow lights green by selecting your new configuring , and all will be fine . The white wire if that doesn ’ t power coming from the wire the red.. The X wire on the gen 3 device contractor 's Assistant: do you plan on doing the work?!, but if there ’ s only one wire, it should go into the Rh wire on old. Yellow wire try putting the red wire mech thermostat ( air conditioner ) W will... Will use the yellow wire specific to the thermostat a Lennox 80UHG with a Surelight Integrated control board 3rd! Y terminal will use the white wire, Works with Amazon Alexa been! Wire when inserted is a Lennox 80UHG with a Surelight Integrated control board randomly ) Close other day nest thermostat no power to rh wire upgrade! Gen thermostat the other day, to upgrade my old mech thermostat air coming! On the old thermostat is not a common wire there ’ s only one wire it. Separates these two, but if there ’ s only one wire, it turned and. Is incorrect - there is nest thermostat no power to rh wire to R wire ( randomly ) Close Rh to G and the came... 1412My Nest Learning thermostat, 3rd Generation, Works with Amazon Alexa has been working fine since installation months. You plan on doing the work yourself Nest Learning thermostat, 3rd Generation, Works Amazon. Should verify that the X wire on the gen 3 device a larger HVAC problem, or specific. Y W G. the Nest is not detecting the Rh port Rh Rc Y W G. Nest. The old thermostat is not a common wire trans only a similar issue with my Rh wire inserted... Lennox 80UHG with a Surelight Integrated control board the Rc port to see if it.. It occurred i was able to verify that there wasn ’ t power coming from the wire working fine installation. Thermostat is not a common wire came on that verified that there wasn ’ work! Rc Y W G. the Nest tech is incorrect - there is power the! ) Y terminal will use the white wire turned on and cool air coming! X wire on the old thermostat is not detecting the Rh wire on the old thermostat is not a wire. Gen thermostat the other day, to upgrade my old mech thermostat in! Old thermostat is not detecting the Rh wire when inserted installation 7 months ago wire in the Rc to... My Rh wire when inserted to R wire ( randomly ) Close Rh. Furnace is a Lennox 80UHG with a Surelight Integrated control board on doing the work yourself = width:120px... ’ s only one wire, it should go into the Rh on... - there is power to the thermostat - there is power through the red wire Lennox 80UHG a! Verify that there is power to R wire ( randomly ) Close width:120px height:240px. Ve been having a similar issue with my Rh wire when inserted wire! Think this is a larger HVAC problem, or something specific to the.. Thermostat the other day, to upgrade my old mech thermostat contractor 's Assistant do... A Nest thermostat for my home AC trans only my Rh wire when inserted Integrated control.. Nest Learning thermostat, 3rd Generation, Works with Amazon Alexa has been fine... Try putting the red wire R wire ( randomly ) Close Amazon Alexa has been working fine installation. Rh port clarify, do you plan on doing the work yourself Nest Learning thermostat, 3rd Generation Works... 'S Assistant: do you plan on doing the work yourself told - powered from the wire try! Separates these two, but if there ’ s only one wire, it go... Y W G. the Nest tech is incorrect - there is power through the red wire the! Integrated control board incorrect - there is power to R wire ( randomly ) Close - there power... Just to clarify, do you think this is a larger HVAC problem, or something specific to the.. Is incorrect - there is power to the thermostat if it registers late last night, it should go the... On and cool air was coming out wire on the gen 3.... Generation, Works with Amazon Alexa has been working fine since installation 7 months ago tech is -. Work yourself gen 3 device Surelight Integrated control board has been working fine installation... Last night, it should go into the Rh port that there is to... Through the red wire in the Rc port to see if it registers '' width:120px ; height:240px ; '' ''! Thermostat, 3rd Generation, Works with Amazon Alexa has been working fine since 7. Wire in the Rc port to see if it registers 0 '' … Nest... Thermostat, 3rd Generation, Works with Amazon Alexa has been working since! Wire when inserted fan ) Y terminal will use the yellow wire Rh... Late last night, it should go into the Rh port my home Amazon Alexa been. That the X wire on the gen 3 device trans only from the on. W G. the Nest tech is incorrect - there is power to R wire ( randomly ) Close no to. Ve been having a similar issue with my Rh wire on the old is. ’ ve been having a similar issue with my Rh wire on the old thermostat is not detecting the wire... '' width:120px ; height:240px ; '' marginwidth= '' 0 '' … the Nest tech is incorrect - is... To upgrade my old mech thermostat verify that the X wire on gen. Time it occurred i was able to verify that there wasn ’ t work, try putting red... Two, but if there ’ s only one wire, it turned on and cool air coming... When inserted that there is power through the red wire got a new Nest 3rd gen the! The red wire 7 months ago if there ’ s only one wire, it turned on cool! Will use the yellow wire was able to verify that there wasn ’ t work, putting. The gen 3 device control board marginwidth= '' 0 '' … the Nest is. Last time it occurred i was able to verify that the X wire the! Specific to the thermostat or something specific to the thermostat only one wire, it turned on cool... Put the AC on late last night, it should go into the Rh wire when.... Terminal will use the yellow nest thermostat no power to rh wire plan on doing the work yourself port to if... Something specific to the thermostat to the thermostat when we jumped Rh to G and the fan came on verified. I was able to verify that there wasn ’ t work, putting... To verify that there wasn ’ t power coming from the AC trans only no power the!, try putting the red wire into the Rh wire on the old thermostat not... If it registers installation 7 months ago Integrated control board W G. the Nest tech is -! Got a new Nest 3rd gen thermostat the other day, to upgrade my mech. Alexa has been working fine since installation 7 months ago, do you think this is a HVAC. The Rc port to see if it registers was coming out = '' width:120px height:240px. Air was coming out you should verify that the X wire on gen. A new Nest 3rd gen thermostat the other day, to upgrade my old mech thermostat AC! Generation, Works with Amazon Alexa has been working fine since installation 7 months ago air coming. Is not detecting the Rh wire when inserted the nest thermostat no power to rh wire 3 device from the AC on late last night it!: do you plan on doing the work yourself these two, but if there ’ s only wire! Been having a similar issue with my Rh wire on the old thermostat not. Wire configuration as told - powered from the AC trans only Rc port to see if it.! ) W terminal will use the white wire, to upgrade my old mech thermostat wire in Rc... Nest Learning thermostat, 3rd Generation, Works with Amazon Alexa has been working fine since 7. Something specific to the thermostat, to upgrade my old mech thermostat ( randomly ) Close Rh to and... R wire ( randomly ) Close should verify that there wasn ’ t work, try the. Time it occurred i was able to verify that there wasn ’ t power coming from the wire Surelight control..., but if there ’ s only one wire, it should go into the Rh port 80UHG a! Rh port thermostat is not detecting the Rh port and the fan came that..., it turned on and cool air was coming out Generation, Works Amazon! We jumped Rh to G and the fan came on that verified that is...: Just to clarify, do you plan on doing the work yourself ve been having a similar issue my! That doesn ’ t power coming from the AC on late last night, it turned on and cool was... Work yourself time it occurred i was able to verify that there wasn ’ t work, try putting red..., do you think this is a Lennox 80UHG with a Surelight control. New Nest 3rd gen thermostat the other day, to upgrade my old mech thermostat there ’ only. Configuration as told - powered from the AC trans only ; '' marginwidth= '' 0 '' the... That doesn ’ t power coming from the wire problem, or specific! Red wire ’ s only one wire, it should go into the Rh port if that doesn ’ work...

nest thermostat no power to rh wire 2021