No power to upstairs thermostat Tip #4: Check The thermostat is also placed in a strange position, yeah. In older homes, the primary use was to provide low voltage AC to the thermostat (rather than have the thermostat switch 120V). It's cooling but when I switch to heat, it is still cool air. Tried pulling it off the wall to reset but no luck. Only upstairs in. This can help to reboot the system and Thermostat. I've tested strange that the handler supports both upstairs and downstairs and but only downstairs has no power to the Central AC Not Coming on - found 3 amp fuse inside air handler blown. But my thermostat is in a prominent place in my home. What could cause this? 4. Air conditioner comes on upstairs but all of a sudden the Zone 1 (downstairs) is red now and the Has anything changed recently, such as a power outage or any adjustments made to the thermostat settings? Customer: no, the upstairs is working fine Contractor's Assistant: Are you Hi guys. Your thermostat not getting power means that the ambient What to do when your thermostat doesn’t turn on your AC. Finally figured out the problem and got it fixed and dry vac'd, AC was running great today for 4 hours, left to shower and eat dinner, came back No electricity needed, Ecofans generate power by converting the heat from your wood stove into electricity; Achieve optimal comfort and energy savings by optimizing the thermostat settings for upstairs and downstairs Recently bought an older house. Four zone control but recently one of the zone has no power/voltage coming to the thermostat. A C wire, connected to C on the equipment, is required I have no power to my hvac system upstairs, no power in the attic and no power to the thermostat. 2. Sort by: Best. Last night my Nest said the Rh was not getting power to the thermostat. Heck, it might not even have anything to do with your HVAC system at all. 5. Michael Ferryman. I assumed I If there is no power to the thermostat for your heat pump or HVAC system, that's just one reason the system won't turn on. The only truly effective way to have control over your upstairs is for it to be on its own HVAC system. (Can post specific model code if need be) So, if I move the These are two very different things. Called technician. Turn off the power to the thermostat and the air conditioner and clean the clogged draining system and let it dry. If it is, then remove the cover and Thermostatic Controls - No power to Y1 - nest thermostat - About a week ago, I pulled the face off the thermostat to touch up the texture around it. 4. This Nest thermostat suddenly stopped working after 5 years: "No power to Rh wire. I've I've heard some people say that it's not a good idea to keep the thermostat off completely, in order to prevent mold and such, and to prevent the upstairs from becoming a heat sink that could My AC is running fine because my traditional downstairs thermostat still controls the AC as expected My ecobee upstairs is getting power and I haven't touched it since its been Find No power to upstairs lights Advice and Help. airheatman. Best. A simple solution would to have replaced the original upstairs thermostat receiver with the Hive Single Make sure your thermostat has power and is properly connected to the HVAC system. Expert. Go to the circuit breaker in your house to verify this. Generally speaking, if your No Power to Thermostat – Honeywell. I guess the furnace is waiting for the temperature set point from that thermostat. In either case, there is always a Restoring your thermostat’s power is essential for maintaining a comfortable home. (Basically your blue at nest needs to be connected to the red and blue from photo one in the C terminal) your blue at TLDR: Swapped in new Vivint Element Thermostat. I bought one (latest nest) but didn't replace it right away since it was working. I found, there are 3 no 22mm pipes, each running to a floor. Issue ##[A]## still there. 2009. Do you buy from Amazon? Support Mikey Pipes by using this link the next time you make a The Thermostat's Power Source Is Failing . *; Make sure you have a C wire is attached to the C connector on your thermostat. The thermostat is in the main bedroom which Even having control of the fan isn't enough people I've known. (The 4th one is for the Personally charging a Nest for an hour once a year would be preferable to a external wire running up the wall 24/7/365. 40,503 Satisfied Customers. The downstairs one however does not have power on the RH cable. no power in the attic and Good morning Phil. 12. Back in the olden So I tried swapping the bad thermostat/zone thermostat with one of the 2 good working thermostat/zone and observed that the bad thermostat in the good zone wouldn’t charge Customer: I switched out the downstairs thermostat with the upstairs thermostat, but forgot to turn off the power at the main home switchboard. Without the Power Extender Kit . Tech support offered no other possible solutions, or help otherwise. First things first—you should always check the batteries in your thermostat if it’s not turning on your AC. My fog-colored Nest thermostat sits beautifully on the plain white HVAC Thermostat Powercycling A couple days ago, I woke up to my upstairs Honeywell Home Smart thermostat with no power. 10 years old outside unit ARI standard. I reset I have an I comfort s30 thermostat and it went blank no batteries to change checked the fuse on the board and the I comfort app says offline (one basement, one main level). I'm using a transformer AC adapter for my power. If Recognizing power loss in your thermostat is essential. I used a tone and tracer Next, check near the indoor unit for a float switch in drain and if you have one lift it to see if we get power to thermostat. The thermostat is the little box on your wall that controls the AC. Choosing the Right Location. Ever since this, the battery on the thermostat has needed me to manually take it off the base and recharge it. i've got no power to my thermostat. How-to No power to upstairs lights in the Australia advice boards on ElectriciansForums. You'll usually find the power switch on the side of your furnace, though you may also If you find that no power is coming to your thermostat, it’s crucial to understand the possible underlying issues and how to resolve them. If you don't have one, check for spare wires The previous owners bricked it in and installed a gas furnace. A power stealing Once the upstairs thermostat is successfully installed, you can proceed to the next section, which covers the wiring and programming steps for optimal functionality and control. So we have a 2 floor townhouse. No power to thermostat means you can’t turn your AC on or off, or set it to the hello. If the screen of your thermostat is dark, it more than likely means there's no power getting to it. Is this a fuse issue or perhaps and capacitor issue or something else? Is it a fix I can I've checked power to the room thermostat using a neon tester and it appears okay. Customer: the thermostat is blank (both upstairs and downstairs. It’s even more frustrating when the thermostat was already working and suddenly loses power. Furnace, A/C and heat pump specialist. Had no issues with their 2 story (badly insulated) thermostat on main floor, no other sensors. Is I have an IQ2 panel that controls the system in my house. It was working fine earlier today Contractor's Assistant: I'm sorry to hear about the trouble with your Honeywell thermostat. The thermostat indicates that it is calling for heat ( Heat On ), Customer: I have no power to my upstairs and downstairs thermostats and the Honeywell Universal Minizoneany suggestions? Contractor's Assistant: Just to clarify, do you think this Another common cause of no power to Rh wire is clogged AC drainage pipes. Like you walk halfway up the staircase and you can feel the pressure difference immediately. However, there can also be more serious issues such as damaged wiring and When it comes to deciding whether the upstairs thermostat should be set higher or lower than downstairs, there is no definitive answer. The setup also has a 50 Checked circuit break but nothing was tripped. Thermostats can be affected by blown fuses, just like Below, we’ll explain what to do if there’s no power coming to your thermostat (many of these issues are easy to fix). Proper installation ensures the seamless integration of the new thermostat with the existing heating system, empowering you to manage the indoor climate with precision. I'm having trouble getting this one to power on though. Checked the control panel connected to the dark thermostat and it too was dark - no If your thermostat’s display is blank or there’s no power coming into your HVAC system, it is usually due to a tripped breaker or a safety switch. I have yet to use the gas furnace down there. Customer: I have a Honeywell lyric thermostat and it say has no power to reset breaker but the break is not trip and when I reset breaker it still say the same Contractor's Assistant: We Thermostat not getting power. When I go online it says the thermostat isn’t connecting to the system. So it looks like the We have a Honeywell HZ 311 2-zone system with a Nest thermostat upstairs and downstairs for our two different zones. The c wire is connected correctly to the plate. No power (display) on my thermostat. I turned off and back on the AC breakers. The blower - Answered by a verified HVAC Technician. It appears I have no They keep leaving the doors and windows open that prevents the AC from cycling on/off. Open comment sort options. net Est. Is there a way to fix this nest However the upstairs of the home is noticeably warmer. One day. Top. Nowadays, with more sophisticated control Without the Power Extender Kit . New. I do the opposite in winter. Think of the thermostat as the brain behind your baseboard heater's operation. In conclusion, if you are experiencing no power to your thermostat, there are several troubleshooting steps you can take before calling in a professional. According to what you marked on the diagram, I should connect the thermostat's "C" wire to what I circled in blue (left side, aka 6 on the diagram). Reply. If you don't have one, check for spare wires I had no power to my Honeywell VisionPro IAQ thermostat. Nowadays, with more sophisticated control If there is no fuse, I shorted Rc to C and burnt out the wires I shut the power to my furnace and opened it, looking for a fuse. When we moved into the house, we installed the upstairs Nest with no As for the working thermostat not kicking on the condenser, that should be okay as the thermostat lost its power removing it from the wall. I just noticed today due to heat upstairs. 5x the size of the other vents) and it's a downstairs layout that is a wrap around (circular I have a Nest Learning Thermostat and recently lost power for 5 days in an ice storm. Here in VA you can be 30F at 6AM and 80F by 2PM in the spring/fall and I know some people who have lived places that the management shuts off the A/C compressors and Is your thermostat not turning on the heat? It does not fire up the furnace when it is supposed to and the temperature in the house keeps dropping? BB heaters are wired in parallel from on pole of the breaker, and go back in to the other pole, where the thermostat is the last connection before going back to the panel. I have an oil fire furnace for hydronic radiant heating. After that, check the furnace circuit breaker (s) and, if tripped, reset them. Before you use the battery to control your heating or cooling. Wiring the Upstairs Thermostat. Contractor's Assistant: I understand that you're experiencing a If your thermostat has stopped working, particularly a digital thermostat, then a common solution is to turn it off, leave it for at least 30 seconds, and turn it back on again. i attemped to replace thermostat with a programmable one Long story short, we bought a new thermostat today and installed it however the new one is not receiving any power either. The thermostat wiring brown and black from your old room thermostat go into T1 and T2, doesn’t matter which way as there’s no polarity in Nest and terminate safely the grey sleeved blue, unless you’re using the usb, I did put it in test mode for fun and still no power to the upstairs sockets. Endorsed for unlimited heating, I have no power to my upstairs unit, I have checked the breaker on the inside/outside of the house and still nothing. A non-functioning thermostat can disrupt your daily routine. Attached are some photos: Furnace exterior. Here are a few common reasons thermostats fail and how you can remedy them. As you noted, some amount of current must flow in order to make the relay in the furnace activate. Proceeded to turn off power to the AC unit Checked safety switches and drain pain but nothing was wrong Checked 3 amp fuse and it Sometimes, the reason that your thermostat has no power won’t have anything to do with your thermostat. Short cycling. Hi, I was trying to replace my old stat with a new programmble one. Set the upstairs thermostat 2-3 degrees higher than downstairs. I checked the breaker, fuse in the furnace and swapped the Thermostat with the upstairs I think the problem upstairs will be that there wasn't a 240V supply to the original thermostat which was battery operated. It works if I put it downstairs. Vicki Dameron says: July 22 I live in a two story house with the Fix The Issue – No Power To The Thermostat 1. Systems such as millivolt, proprietary, or high voltage may not be compatible. Martin, hvacr. Instead of trying to figure out the power side, I was wondering if there are any Customer: My home had two Honeywell thermostats (one upstairs and one downstairs). Two T3000 thermostats (one controls the upstairs zone and the other controls the downstairs zone) are connected to Hi all, I'm trying to install a 2nd hive receiver upstairs to control upstairs heating. 2 years. We tested the old thermostat face on the thermostat plate on the second floor (separate/secondary system, with no The upstairs nest thermostat works great. BillyHvac. Upstairs system is working fine. Now I do not have No power to thermostat. We had a two I currently have rh, c, w1, g, y as my wiring. This power supply was exactly what I was looking for to use my smart thermostat as a weather station! I still love the idea of knowing the temperature of the indoors and . turn it on. Follow our step-by-step guide that you’ll find above. Go to the circuit breaker in your house If you find that no power is coming to your thermostat, it’s crucial to understand the possible underlying issues and how to resolve them. It sparked and now the two thermostats upstairs (Heat and AC both ecobee) no longer get No power to thermostats I unplugged my thermostat and accidentally touched the R and W wire together. There's just no power coming out of the wires. If either is turned off, that system won't turn on, no matter how you program your thermostat. You might want to check your thermostat’s power source or inspect for tripped circuit Here we'll delve into various troubleshooting methods for when there's no power to your thermostat. I went into the attic and turned off the furnaces, then turned back on after 30 seconds, then I tried Got power back in those rooms one of the breakers wasn’t working correctly but still no power to thermostat and ac unit still not turning on. There are only two wire white and red which I correctly connected to the new thermostat. while installing the E upstairs. If you encounter this problem, do not panic. The downstairs runs fine however upstairs does not. It is ultimately up to you and your individual needs. I replaced them with Honeywell T5s. My basement also gets warm air from the upstairs. How do I get it to turn on? Contractor's Assistant: Just to clarify, do you think this is a larger HVAC problem, or something specific to 10 Methods How to Install a Second Thermostat Upstairs 1. Also, make sure that the thermostat’s panel is pressed in perfectly. Premise. I tried the big three things youtube offered: breaker box, batteries, and resetting the electrical outlet, but Your thermostat is the primary controlling system that runs your HVAC systems. If there’s no power to thermostat wires, you need to resolve the problem ASAP. Here are some common symptoms: Blank display: The screen shows nothing, indicating no power. If this is what you have I'm not sure why you are having The downstairs heat is not working. Next, check near the I have a Nest thermostat and a Bryant Plus 90 Nat gas system. How To Set Thermostat For A Two Story Home? Set the upstairs thermostat 2-3 degrees I replaced the old low voltage thermostat (circular mercury one) with low-voltage Honeywell RTH 5+2 day programmable thermostat. Operating Engineer I had the brilliant idea to bring the upstairs thermostat downstairs to see if it was a thermostat issue. Old. I have a long story but I’ll try to make it short. 11. Legs (pipe) are cold. 3. Heating only works when I switch to testing but then stops. 6. Pull off your thermostat from the wall and check if it has a Apart from the Nest Thermostat‘s scheduling features and voice commands, its compact design and neutral tones were the perfect fit for my aesthetics. However, a blank thermostat can mean that it has no power. Although this may sound a little goofy, you’d probably be a little surprised to find out how many people actually bump into their thermostats when passing by and See more No Power To Thermostat? First, make sure that the device is actually on. Upstairs. 2006 | Free Electrical I plugged the thermostat unit into the base and let it power up. Next, check near the indoor unit for a float switch in drain and if you have one lift it to see if we get power to thermostat. Power Supply. Most if not all cooling thermostats have a “compressor Just bought another GE Smart Thermostat for the downstairs after successfully upgrading our upstairs to the same unit. Obviously this design predates fancy WiFi thermostats, which require constant power to operate. . Go downstairs to check the 3rd gen. All pipes are wrapped with I installed the new thermostat correctly with the C wire, went down to my furnace and securely connected the C wire into the C terminal there (there’s another wire in the terminal as well, I’ve double checked their connections), Customer: Hello, my Honeywell thermostat suddenly went dark, with no data. This component monitors the temperature of the room and communicates with the heating element to regulate when the heater One of my two hvac units is in my attic and has recently had a pipe from it leaking into the attic. If someone accidentally turns the thermostat off, your HVAC system But when the normal issues arise like no power to the thermostat that is the most basic problem that people face. 1,037 Satisfied Customers. These include checking the I got no power to y1 wire error and thermostat stopped working. Up until last night I was getting Customer: Thermostat, air handler and condensing unit cooling/heating first floor has no power and is not operating. It sparked and now the two thermostats upstairs (Heat and AC both ecobee) no The thermostat is a critical component for furnaces. Properly Gas and Oil Home Heating Furnaces - No Heat Upstairs Zone - Hi. First, ensure the power switch is fully engaged. The upstairs has the W8900A-C module on top of the furnace. Upstairs if the thermostat is turned up there is power to the thermostat on the cylinder No Power to Thermostat Solved. Otherwise, your Honeywell thermostat is likely not going Downstairs Honeywell thermostat has no power at all. My current thermostats have no issues, and after trying each Nest, one upstairs, and one downstairs, then replacing them A no power to the thermostat situation can be frustrating, but with these troubleshooting tips, you can quickly and easily restore power to your HVAC equipment. Only W, Y, G, and R-Rc. Furnace interior (this is inside the panel directly above where the Customer: Our Bryant thermostat upstairs has no power. We have a water heater/gas furnace and baseboard heat. 30,373 Satisfied Customers. The larger one is for upstairs. I have another Nest on my upstairs I have this exact same furnace, the board wires everything from the pictures. Remember to check the homes circuit breaker for any tripped If it is wet, the draining system might be clogged. I had turned off the furnace before installing new one. Lennox thermostat. " How do I fix this? Thank you. Been a Vivint customer since 2020. I also found some left over wiring inside the wall with the In older homes, the primary use was to provide low voltage AC to the thermostat (rather than have the thermostat switch 120V). Apparently the transformer blew on the air Some furnaces are actually designed to remove power from the thermostat, in the case that a limit opens. R wire does not provided sufficient power and does I'm not sure if this matters or not. Do I need Upstairs hallway, 6 yrs old. All of the other ecobees in the house were fine. It's coupled between two rooms with direct vents and the dining room vent (which is like 2. Checked power on blower unit in attic all OK Checked power on So downstairs I managed to get everything working perfectly. The upstairs thermostat and heat seem to be. Your thermostat should Boilers - Home Heating Steam and Hot Water Systems - No power to Taco Zone Valve - Hi all, I have an interesting issue that is driving me crazy. Every room has curtains (blackout or My google nest is Indicating an issue with the y1 wire, upstairs and a year old, I have verified the y1 wire is. The fix was way easier than I thought. Electrical system supports your thermostat then I unplugged my thermostat and accidentally touched the R and W wire together. everything seemed ok. I https://ibb. Heater or AC won’t turn off. AC or furnace doesn’t turn on. Check that the power wire/R wire is connected to the Rc connector. Also, there are 2 separate heating systems in my house; upstairs and downstairs. Saved me a bunch of money. 24. I checked the breaker, fuse in the furnace and swapped the Thermostat with the upstairs I tried another thermostat and also no power. The thermostat again reported no power, I checked for power with a meter and But if the thermostat isn’t working, the whole air-conditioning system is down. My Nest E seems to only receive power when the fan is running and depletes its battery Find your thermostat wire at the furnace, your blue at the nest is not connected to the Common of the transformer. Most likely the I live in a two-story home that has a heating zone and separate thermostat for each floor. I flip the breaker off then on, power is working, I connected the thermostat, it's on, I'm reading the manual to program it, look up and it's off again. In summer, I close all floor registers on main floor and open the upstairs floor registers. 7. but no power to R wire. This guide provides steps to troubleshoot and restore power to your The breaker does not trip. We have 2 thermostats, Hi I seem to have lost power to my thermostat all of a sudden JA: What's the brand and model of your thermostat? How old is it? Customer: it is a horstmann h37xl And is about 3 years old I’m I have a Nest E thermostat and bought the adapter they sell in case you don’t have a C wire but it didn’t work. I bought and What u/6timesdonkeypunched says above may be correct, but there's another layer: the cold temp failsafe in some A/C systems, when triggered, causes the power to drop to your My thermostat is blank like no power and a/c shut dowm, yes, flipped breaker off for a minute, unresponsive, no. Make sure your thermostat has power in the first place. The upstairs is not showing any power Contractor's No power to the Rc wire. At times, it might have more to do with the No power. Whatever, we'll I have a pro Z wave t 6 Honeywell thermostat with a power loss alert upstairs and our thermostat downstairs is working fine. i've got a dual climate zone in my house, and the upstairs unit has no power. Thermostat Display Not Working? Incompatible systems can fail to deliver the necessary power to charge the thermostat’s battery and even cause damage. Verify that the thermostat is securely mounted on the wall and that the wiring connections are intact. Unresponsiveness of the thermostat. This would seem to indicate bad wiring to Posted by u/D34DC3N73R - 1 vote and 4 comments Yes, the downstairs (ds) is a heat pump with an emergency electric booster. The thermostat should be placed in a Upstairs hallway, 6 yrs old. Now I have no heat upstairs :( Any idea what’s the issue might be? I have 2nd gen Check the power switch for your furnace or AC. When It’s frustrating when you take time to install an Ecobee thermostat only to have it not power on. I drank a coca cola and it still did not help me think of anything else to do. The HVAC system is a fairly new gas pack but there's no C wire behind the thermostat. Controversial. The very first thing you should do when you notice that your thermostat has no power is to go to your circuit box and see if you’ve tripped a breaker or blown a fuse. André R. , wait until it has fully charged. We have baseboard heating, and it looks like we have a Vitodens 100-W boiler. My upstairs heating zone is not activating. co/wgJqBsj. In effect, it will cause problems with cooling your home. When I put it back on, I later got a no power to Y1 warning). The wiring on Another trick is to steal power from the control circuit. Forgetting The thermostat operates between 20-30 VAC, "supplied" to the R/RC terminals and "returning" through the C terminal. From dead batteries to tripped breakers, I Thermostat not getting power. You might want to check your thermostat’s power source or inspect for tripped circuit When I move it to the upstairs location it works, but the upstairs one won't work downstairs. About a week ago, All radiator upstairs - not hot, not even warm. However there is no call for power because the thermostat has no power to it because of the shortage that occured Customer: I have two thermostats (upstairs and downstairs) controlled by Honeywell HZ432. Here’s a step-by-step guide to installing the Indoor thermostat not receiving power (checked with multimeter) Central air not operational TROUBLESHOOTING. Temperature on the thermostat doesn’t match the room. Sometimes condensation can’t properly drain from the lines. Last ime it was cold, - Answered by a verified HVAC Technician. When your thermostat isn’t getting any power, the first thing that you’ll want to do is check whether or not the thermostat is actually turned on. I couldn't find a solution anywhe No power to the thermostat. It's one of the easiest to check, though, and that makes it a good place for homeowners to start in the A blinking red light at the top of your thermostat’s display means that the battery charge is very low but it’s being charged. I have a single wire only behind my old thermostat. 1. However the heater (upstairs) does turn on automatically when power is If you turn upstairs thermostat to call for cool and downstairs thermostat on at same time, My thermostat for upstairs and downstairs has no power. It is a new hyacinth unit. But the new one didn't work and so, I put the Hi all, I installed a smart thermostat and the screen remains black/doesn't turn on when I reconnect power. The first step in installing a second thermostat upstairs is to choose the right location. Downstairs a/c unit is My problem is that the furnace won't ignite as the central wall thermostat has no power. The nest thermostat says no power from the power wire. This started when some guys cleaned the ducts. and voila the E gets power. Unresponsive controls: Buttons do not work or change settings. Thermostat Share Add a Comment. The upstairs thermostat did the same thing after plugging it into the bracket downstairs so I thought "OK, not the thermostat. We'll begin by exploring ways to diagnose issues with the power supply itself, such as checking circuit breakers or If the screen on your thermostat is dark or your HVAC system seems off-kilter, there might be an issue with a part of the power supply that helps keep the system running smoothly. When this happens, the air handler float switch cuts power to the thermostat. They keep saying they do not touch/change the temperature on the thermostat set at 21 degrees for I know it's not a problem with the actual base or wiring in the walls because I took the downstairs nest and put it on the upstairs base and it works perfectly fine. At They said I need a new thermostat. There is 230v on this wire. I removed the thermostat from the wall and Thermostat is a Honeywell t6 pro and the furnace is a dual fuel amana propane fired with an amana heat pump outdoor unit. AC is not working downstairs. Upstairs a/c unit is fine. I took some pictures of my attic showing both upstairs and downstairs furnaces and AC units. Q&A. Heat rises, ensuring efficient temperature control and energy savings. I have an ecobee smart Thermostat and last week it randomly made a hissing noise smoked and stopped working.