1. Your outdoor heat pump is unlikely to be able to hold up under these demands. Aux heat, therefore, is a secondary source of heat. Here's my situation. Simply remove the cover and use a spray can of air to dust out the inner workings. Turn on power. Then turn it back on. Hello. New comments cannot be posted and votes cannot be cast. This is typically used until a heating and/or cooling contractor can troubleshoot or fix the heat … By bumping your thermostat up three degrees, the auxiliary heat must kick on to catch up with your new demands. If set at 65 degrees, the furnace should kick on at 64 and shut off at 66. . Newer thermostats may cause the auxiliary heat to come on more quickly than older ones. Some people find that their thermostat is stuck on aux heat because their HVAC system simply can’t keep up with a reasonable demand. Auxiliary, by definition, means additional or secondary. When Honeywell thermostat not reaching set temperature happens, reboot the thermostat. The main signifier that your Honeywell thermostat is reading the wrong temperature is that your house is colder than you have set it to be. So this time I decided to turn up the heat slowly. My Honeywell Thermostat is Not Turning On. Install the best insulation so that your home can hold heat better. This is easy with many smart models because they can detach from furnace power. Any suggestions? 3 Wait several hours for the thermostat to stabilize at this new setting. My Honeywell Thermostat Says Wait: What to do Next? Honeywell Thermostat Keeps Shutting Off. You should also ensure that the screws … We have even tried turning the system "off" and yet the fan will still come on at times even with the system off. Press Esc to cancel. You just need to turn on the thermostat to the heat position. Honeywell makes a variety of thermostats that control any number of residential heating and air-conditioning units or heat pumps. If the swing is wider than that, the heat anticipator needs to be moved towards shorter. About 5 seconds after I turn the thermostat to heat mode, I hear a click (relay), and the thermostat reboots. Sometimes, you may notice that the aux heat comes on every time the furnace kicks on. Keep in mind that we have it on EMER HEAT / Gas Furnace: I turn the heat up to 64 the heat kicks on in about a minute, it runs and the Honeywell Thermostat goes from HEAT to AUX Heat. As the temperature drops two to three degrees below the set temperature, many systems will signal for the auxiliary heat to come on. It comes on and off seemingly with no pattern (sometimes it will work fine, sometimes it stays frozen on a temperate, and sometimes it shuts itself off). Adjust the heat-anticipator lever one calibration mark closer to the “longer” setting if the furnace goes off and on too frequently. For those homeowners who never had an issue with their old thermostats but are suddenly experiencing this phenomenon, it may have to do with the specific model of thermostat that you purchased and installed. Either way, these are issues that are best handled by professionals who have the tools to diagnose and correct the problem. The little blinking light on the stat, shuts off, but something in the unit keeps … Another way you can prevent the aux heat from running is to create a warmer atmosphere in your home. My thermostat (Honeywell RTH7000) is set to 68 but my furnace shuts off at 64. It is signaled as “backup” for your actual heating system since the outdoor heat pump doesn’t seem capable of handling the situation on its own. If you want to keep the temperature of your home or your office in control, you cannot get anything better than a thermostat. What Is Auxiliary Heat? The wiring is different. Along these same lines, the auxiliary heat may come on if the unit has been running for ten to fifteen minutes without any change in the temperature of your home. However, in the run of the best thermostat, the Honeywell is always the best shot.If you are currently using it, you will know that we often see the Honeywell Thermostat screen not responding. Here, we list some of these causes, and offer repair tips to solve these no-heat issues. In the last week or so, the thermostat has started either freezing on one temperature and not going up or down when the arrows are pressed, or the screen will show no temperature reading (and subsequently the heat will turn off). Close. I have a Honeywell thermostat (RLV430) and electric baseboard heating. Repair any frayed or broken wires. I bought the YTH8320ZW1007 Honeywell earlier this summer and it worked like a charm all summer. One of the simplest things you can do to keep your Honeywell thermostat from switching to auxiliary heat is to lower the temperature in your home. This is a serious issue that will likely need to be addressed by an experienced technician. Learn more about what to do if your aux heat keeps coming on this winter. The clicking noises are the relay opening and closing to let the power through to the heating system. This is a great time to make sure that all of your air filters are changed and that the furnace itself does not need any major repairs. This is because your outdoor heat pump will have a more difficult time creating enough warm air to heat your home. A faulty thermostat, a broken heating system, power losses, damaged wiring, et al. Their thermostat is set to help accommodate your preferences, but the temperature may not always remain constant. Thanks for any help you can give me. . Pay close attention to when and how often your thermostat reads with the auxiliary setting. After a few seconds or minutes, the furnace then clicks on again, and the cycle repeats itself. The furnace and outdoor heat pump may not be performing its job to keep your home warm enough without the boost from the secondary system. Alternatively, it could be that your Honeywell thermostat is malfunctioning and causing the aux system to turn on more frequently. We have tried setting the fan to "auto", yet it will still come on at times when the AC is not running. You may need to make some additional changes to your home to keep the auxiliary heat from coming on. No matter what brand of HVAC system you have, and no matter how sophisticated the components, there's a good chance you have a Honeywell thermostat — or could replace your current thermostat with a Honeywell if you wanted to. NO – Change mode on thermostat to Heat, and then change the temperature setpoint so it's higher than the current temperature. When it reads that the room temp is 70 degrees and I have the thermostat set at 70 degrees why does it kick into AUX heat? You may also get worried when your Honeywell thermostat clicks every time it turns on or off. Yes, the entire thermostat will reboot.. off then back on. While this might be necessary during a particularly cold spell where your outdoor pump is frozen for days at a time, that is a rare occurrence. If you don't think you can do that, call around and get some prices on a professional taking a look at it. This is even a great time to turn on your oven for a little holiday baking. A place for homeowners, business owners or anyone with a general question about their HVAC system. There may be an easy solution that corrects your auxiliary heating issue and reduces your heating costs all at the same time. It can be a good thing even if the cost of using this raises your monthly heating bill. At all are some practical steps you can prevent the aux heat your. 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