However, in "AUTO" mode (the setting I always have it) does not seem to work. I set the thermostat to 71F (and hold the temperature) and the furnace to 200F (when it drops to 180F, the boiler automatically activates to go to 200F again). Not only should you have your thermostat checked, but be sure to also have your coolant replaced according to the manufacturer service maintenance intervals to keep that thermostat running great. In Auto, the fan runs High or Low automatically depending on whether the room has a large or small temperature differential (respectively) compared to the thermostat setting. It does work in Manual mode – so if I switch the receiver to Manual, and then its other switch to On, the pump & boiler come on. Typically, it’s not necessary for your heater to continually push air through your home to maintain the temperature. In your thermostat, mobile app or web portal, you can go to menu > settings > general > language to choose between English, French, or Spanish. For instance, if you currently have your thermostat set to Heat, it will learn the … 3) Deactivate aggressive recovery. There is better dehumidification in your home during the summer months. We moved into a new house. I can hear the fan running, but my thermostat still won’t work. If you are not sure about the maintenance intervals, you can look up your car to find out a bit more. When the fan setting on your thermostat is set to “auto,” it means that your system’s fan will only run during your home’s heating and cooling cycles. Setting the fan switch to "on" means the fan runs continuously, up to about 200 extra hours a month if left on that setting, using more electricity and putting potential wear and tear on parts. AUTO means the fan turns on “automatically” ONLY when your system is heating or cooling your air. While on this system mode, the ecobee will display two set points—one for heating and one for cooling. The … read more. For example, let’s imagine you have your air conditioning on and you have your thermostat temperature set to 72°. Discussion in 'HVAC Heating & Cooling' started by pmhabo, Jul 18, 2011. pmhabo New Member. 61 satisfied customers. If your issue is that your air conditioner or furnace is blowing air always, your thermostat’s fan setting may be set to ON. Is your heating working now? I have a Honeywell programmable thermostat that was installed by a professional about a year ago. You never want to work on a hot engine unless the car overheats while driving. Back to Questions. Turn the breaker on and test the thermostat. SO I connected those three wires (G, RH and W/B). About 3 days ago, the thermostat stopped maintaining a temperature and began dropping. 2. What might this be? Temperature Does Not Match Thermostat Setting The first sign that you might notice is that your thermostat setting isn’t matching up with the temperature of the motorhome. When the thermostat reaches your temperature setting, the system, including the blower fan, shuts off. Here is a list of items to check for your thermostat and hopefully some of these easy fixes will get your thermostat up and working again. My older thermostat only had on and auto, and I can’t figure out what circ is for. Questions & answers about using and wiring the thermostat FAN AUTO… And you can alw 3) Green light comes "On" on IPI module and then burner comes "On" White(looks like its just jumped from e to w2). If your thermostat has stopped working, your air conditioner won’t turn on even if there’s nothing wrong with it! Pros to setting your thermostat fan setting to AUTO. White - w2 We have come up with a list of items you can look into to determine the problem with a faulty thermostat and some solutions. Thank you for the tips. You are now complete. We bought the Honeywell 6580RTH wifi and installed. But if your thermostat is not holding temperature then your home will feel cooler than it should. We moved into a new house. The above steps are implemented with the assumption that there is no problem with the main power supply. It... On my old Rheem thermostat there's 7 wires: #3 07-21-04, 01:39 PM hvac4u. Noticed the air vents weren't blowing anything. When it is set to "auto" it does not come on. I have a programmable thermostat but I do not want to use the program, what should I do? My furnace Lennox G20Q3/4E-100-5 behaves as follows: If you are not able to see the status of your thermostat on the screen, moreover your furnace and condenser are not working, then it should be the power … There is better dehumidification in your home during the summer months. Display settings are only available on your thermostat settings (and not the mobile app or web portal). The cooling set point is blue while the heating set point is orange. What might this be? First, simply set the thermostat to the right temperature and setting. It relays voltage to run the fan when the air conditioning or electric heat is calling. Step 3 . Honeywell RTH230B A/C Auto Fan not working [ 1 Answers ] Hello, We installed the Honeywell RTH230B thermostat this January and it worked fine with our gas furnace. Thanks! When the thermostat reaches your temperature setting, the system, including the blower fan, shuts off. Jason Whatley. Verify that the thermostat is switched to cool mode and has a cooling set point below the room temperature reading. What to do if the Blower Fan Runs Continuously and Won't Shut Off? Make sure you set it to “cool” and not “heat”! Matters that include house unable to be cold or hot may more likely be a problem with your furnace, A/C, heat pump, or ventilation. One Hour Heating & Air Conditioning® of the Bay Area is a simple phone call away. What to do if the Blower Fan Runs Continuously and Won't Shut Off? These solutions will help you determine if the problem is your thermostat or your heating system. Brown - X On your thermostat: Go to Settings Nest Sense Auto-Schedule. I know that “on” turns the fan on so that it runs continuously whether the heat is on, the a/c, or nothing is on. The kitchen, for example, would be a bad place to have your thermostat as cooking can make the thermostat read temperatures hotter than what it is due to cooking fumes. … read more It works fine with a Dell computer running Windows 2000 Professional. If not, your fan will only run automatically when your system is heating or cooling. I have a Daewoo HL710S LCD Monitor that is Plug & Play and DDC 1, 2B (whatever that means) Adjust the heat-anticipator lever one calibration mark closer to the “longer” setting if the furnace goes off and on too frequently. However, it won’t work in Auto mode – ie when I turn the stat way up, neither the green light on the receiver, nor the pump/boiler, come on. It is definitely not the batteries, and I haven't had any luck with moving the switch around. You’ve probably seen the auto setting on your thermostat, but you may not really know what it means. Thermostat Screen . I have a weathermaker 8000 and I replaced the furnace. FAN Button AUTO and ON functions on Digital Thermostats How Should I Set the FAN ON-AUTO or FAN MAN-AUTO Switch on My Thermostat? Step 1: Test the coolant. I have a Rheem RHPL-HM2421JC air handler, a Rheem 1.5 ton heat pump condensing unit, and a comfort control thermostat. I have a Goodman air handler for a Goodman 5 ton a/c (not used for heating). pmhabo, Jul 18, 2011 #1. jadnashua Retired Defense Industry Engineer xxx. Replace the screws and tighten them clockwise. The thermostat should start working. Frequently shutting down and restarting the thermostat can happen due to various reasons, but some of the major reasons are defects in thermostat, Heating in thermostat, Screen is not responding, and backlit LED fault or your thermostat may be updating itself. This is the most energy efficient option. Wait for a few minutes. The fan only runs when the system is on and not continuously. September 6, 2013. To set a thermostat, start by programming the correct date and time on your thermostat so that the program will run correctly. See if that gets your thermostat to work again. The fan only runs when the system is on and not continuously. It’s much more cost effective and energy efficient to cycle on and off to only push air in the house when it’s necessary to maintain the temperature. Once the desired indoor temperature is reached, the fan shuts off until the next cycle. After a while, the burner stops due to safety. Your thermostat should be placed in an area with a neutral temperature meaning the environment not affect the surrounding temperature. Check to see if the batteries were placed correctly; Check the voltage of your thermostat ; Check the breaker. 1) Set mode to heat and raise the setpoint above the room temperature. The "ON" setting forces the fan to run whether or not it is needed to heat or cool. It might be a very simple solution. If i turn the fan on in manual mode, the fan works. This is supposed to be more energy-efficient. I can hear it clicking on and off as i move the lever to set the temp, but it does not actually come on. 4) Flame occurs I set the thermostat to 71F (and hold the temperature) and the furnace to 200F (when it drops to 180F, the boiler automatically activates to go to 200F again). When the thermostat is in the "auto" mode, however, the system only moves air while the cooling or heating function is running and shuts off when the temperature set point is reached. If your thermostat is the issue, we can have it replaced, or repaired. Depending on the furnace, the sequence should be the thermostat calls for heat by switching the power from the red wire to the white wire, any forced draft or enducer comes on, and the gas valve opens. But why would schedule following ever be OFF? Next, press “set” again to set the temperature. As long as the gas ignites, the blower should come on soon based on either … Here, we discuss a Honeywell thermostat not following schedule, and how to fix that. Find the thermostat. I know this probably isn't as difficult as I'm making it out to be, but I'm having a hard time understanding the Auto setting on my Honeywell TH5220D thermostat. Join Date: Aug 2001. I've checked all the wiring and I've even change the thermostat to a new one. Check the thermostat's display to confirm that there's a call for cooling, usually indicated by the words "cool on" or a snowflake icon. And these are the reasons why Honeywell thermostat keeps turning off and on. Then, press the “set” or “program” button and select the waking time at which you’d like the heat or air conditioning to start running. What would I need to set the heat and cool settings at to keep it at or as close to 67 as possible? There are various reasons this could be the case, including if the machine is not properly adjusted. The heating system is working fine, except that when the heater is not engaged and I turn the fan switch to ON the fan does not come on. If it’s in the “on” position, your fan will operate at all times, regardless of whether or not your furnace or air conditioner is running. Try toggling the switch from Fan to Electric on and off; We hope that covers some issues you have about your thermostat. NO – My heating isn't working, but I'm still feeling air flow. I can also turn the fan mode to "on" and the fan will run. Outside was 91. If after checking the above, consider replacing the thermostat, the thermostat could simply be bad, you can buy a replacement thermostat at any home improvement store. Any easy test, is to swap the motor speed wires connected to HEAT and COOL on the board. I have a furnace only and the old thermostat only had 3 wires connected. What is the difference between circ and auto settings for the fan on my HVAC thermostat when the heat is on, when the a/c is on, and when both of those are off? The location of the thermostat depends on your car. ... Why does my heating or cooling continue to run even after the set-point says to turn it off? 1) System mode is not set to heat/Auto or set- point is set too low. 2) Thermostat calls for heat Sounds like you are thinking backwards. Blue - B AC blower does not work in AUTO position. Any help would be great! Here, we discuss a Honeywell thermostat not following schedule, and how to fix that. SO I connected those three wires (G, RH and W/B). Make sure your thermostat is in an area that is well insulated. Got home from the Brewer game this afternoon and noticed the house was warm(78). How do I change the language in my Smart Thermostat? Member. It should be set to AUTO, which means the blower will only blow air out the vents when the air conditioning or furnace cools and heats the air respectively. The top set point is the cooling temperature. How does the FAN ON-MAN switch work? When I have the fan switch on the thermostat (non programmable Honeywell) set to auto and the switch set to cool - … Increase the set point a few degrees above the room temperature. AUTO means the fan turns on “automatically” ONLY when your system is heating or cooling your air. The thermostat is the issue not your HVAC equipment, the best option is going to be a replacement. If the problem persists, request for an HVAC specialist to check the thermostat. Tripped breakers are a common reason thermostats stop working; If your thermostat isn’t working after you’ve checked the batteries and breaker, consider upgrading to a smart, or programmable, thermostat. If you see that on the screen of your thermostat is not visible either it’s dark or blank, then you are experiencing this problem. The only way to bring back the temperature to 200F in the furnace is by draining the water. The problem could be in the furnace or the thermostat. Notice the effect this has on your home, check if your heating or cooling system turns on after this. I installed a new Hunter Thermostat. The heating system is working fine, except that when the heater is not engaged and I turn the fan switch to ON the fan does not come on. That's a nice one though they usually last forever. 10,085 views. While it’s worth taking a look at your central air conditioning system to rule out any underlying problems, many problems actually stem from a faulty thermostat. To set a thermostat, start by programming the correct date and time on your thermostat so that the program will run correctly. I am thinking that it could be the thermostat is not hooked up properly or not working properly. Temperature settings do not change: Make sure heating and cooling temperatures are set to acceptable ranges: Heat: 40 °F to 90 °F (4.5 °C to 32.0 °C) Cool: 50 °F to 99 °F (10.0 °C to 37.0 °C) “Cool On” or “HeatOn” is flashing: Compressor protection feature is engaged. There are a few reasons a thermostat may not be maintaining its heat setting which can be fixed fairly easily. How does the FAN ON-AUTO function on a digital thermostat and how should I use it? Making sure your thermostat is not slanted or tilted might seem like a small detail, but it’s important for your thermostat to be leveled for it to function properly. Set “Fan” to “AUTO” – Fan ON will mean the fan will constantly run, Fan AUTO means the fan will work in accordance to your heating and cooling settings; Thermostat is not working after power outage. However, after several days the furnace drops between 140F to 110F no matter how I adjust the thermostat. Share Followers 1. Auto setting is just as its described, its automatic (It will turn the fan on only when needed). If you have the 24 VAC at the furnace between the blue and white, the thermostat is working, and the problem is in the furnace. Posts: 5,548 Received 0 Votes on 0 Posts It's in the stat. With all the options available for setting your programmable thermostat, it’s easy to get confused. Thanx Sponsored Links #2 07-21-04, 12:42 PM mattison. any suggestings. Joined: Jul 18, 2011 Location: Ohio. If everything works, switch the thermostat back to "Auto." Your thermostat should be mounted 5 feet from the ground to function properly. 3) Aggressive recovery is activated. Most dryers have an Auto Dry cycle where it sense the dryness of the clothes and adjusts the cycle time accordingly. Why is my thermostat not working after changing batteries? Is the thermostat not working correctly or something in the AC unit causing it to do this? How can I fix it? Then see if the blower starts with the A/C. Doing this is simple, check the wiring of your thermostat to make sure everything is fitting tightly and appropriately. Check your fluid levels and make sure the problem from overheating is not coming from your fluid tank. If the thermostat is otherwise working as it should, it could be that its Schedule Hold feature is activated. Join Date: Mar 2003. The bottom set point is the heating temperature. The bottom set point is the heating temperature. Thank you for the tips. Heating will not come on. The “on” and “auto” settings on your thermostat refer to how your system’s fan is set to operate. If these features are on you may need to consider that Nest thermostats learn a different schedule for each temperature mode . Check the setting on your thermostat and also test the circuit breaker to make sure the switches for your heating and cooling unit is set to “ON.”. If your digital thermostat isn't working so your heat or ac isn't turning on. Select “Auto” to allow the thermostat to switch between heating and cooling based on room temperature and the selected heating and cooling set points. Checking if your thermostat has power should be the first thing you do. the auto setting on my thermostat isn't working, it just clicks on briefly and then clicks off. On many thermostats, you’ll see a small lever that moves along a calibrated scale (not the heat temperature lever) and may be marked “longer.” This is the heat-anticipator adjustment. Switch off power and check the wiring. Dirty wires can prevent your thermostat from working. Auto mode on your ecobee thermostat is great for maintaining a comfortable home temperature in milder climates or in-between heating and cooling seasons. Why is my display blank except for the low battery icon? Keeping your fan on AUTO is the most energy-efficient option. My AC blower won't kick on when in the AUTO fan position. Green - G Please someone help me. Not only is system zoning helpful for houses with inconsistent room temperatures, but it's also great for heating or cooling individual bedrooms based on the desired temperature setting. A Honeywell thermostat can help keep your home at a comfortable temperature. The last thing you need is to set your thermostat only to realize your A/C system isn’t working as it should. September 6, 2013. But why would schedule following ever be OFF? This is the most energy efficient option. Step 4. Of course, this defeats the purpose of a programmable thermostat––it’s designed to for you to “set it and forget it,” making your life easier. Using a compressed air sprayer will help you with cleaning your wires with care. Step 1: Test the coolant. One Hour Heating & Air Conditioning® of the Bay Area, Do Not Sell My Information - California Residents, Set the thermostat five degrees warmer during the heating season, Set the thermostat five degrees cooler during the cooling season, Replace the batteries (see the next question if this does not work), Flip the AC/Furnace switch on your circuit breaker to, Reset the thermostat – this can be done by flipping the switch from, Check to see if the batteries were placed correctly, Check the breaker, tripped breakers are common reason for why the thermostat is not working, Before doing anything turn off your heating or cooling unit, Check connections to make sure nothing has short circuited, Try toggling the switch from Fan to Electric on and off. It’s worth taking the minute or two it takes to read this to clear up anything that may be confusing you about the process. Select “Auto” to allow the thermostat to switch between heating and cooling based on room temperature and the selected heating and cooling set points. When Auto Mode is selected two set points will appear on the main screen of the Sensi app. The auto setting prevents your system from running around the clock. Hi Matthew. I checked the T-stat and it was set correct. The question is how to set up the system so in the Winter the TRV or eTRV controls the central heating, but as Summer arrives the central heating is turned completely off when not required automatically? Remove the cover of your thermostat and clean the wires of dust. How does the FAN ON-AUTO function on a digital thermostat and how should I use it? Adjust the heat-anticipator lever one calibration mark closer to the “longer” setting if the furnace goes off and on too frequently. Location: Cinti, OH. How to Set the Thermostat for an Electric Heat Pump Furnace. The following details three common thermostat problems and what you can do to resolve them successfully. The only way to get the furnace to start up is to place the system in "FAN" position to run the furnace continuously. The fan works just fine when set to AUTO with the AC but not with the heat. These are the only languages supported at this time. 10,085 views. However, if the system is in cool mode and the fan is set to 'auto', nothing happens. AC blower does not work in AUTO position. On many thermostats, you’ll see a small lever that moves along a calibrated scale (not the heat temperature lever) and may be marked “longer.” This is the heat-anticipator adjustment. Working directly on the thermostat – not through the Sensi app — set the thermostat to the Heat Mode. It is definitely not the batteries, and I haven't had any luck with moving the switch around. I have a furnace only and the old thermostat only had 3 wires connected. If you are not sure about the maintenance intervals, you can look up your car to find out a bit more. My AC blower won't kick on when in the AUTO fan position. Everything seems to work fine, except, however, the fan does not go on in auto mode. I'm trying to keep my house at 67. Then, press the “set” or “program” button and select the waking time at which you’d like the heat or air conditioning to start running. Next, press “set” again to set the temperature. furnace works without the auto setting but will not turn off when it gets to the set temp. Usually A/C, heat, and fan run the blower at different speeds. Yellow - Y What is a zone? For example, you can set the fan to run all night and automatically turn off in the morning. The only way to bring back the temperature to 200F in the furnace is by draining the water. When i turn my thermostat to the "on" mode the heat works fine. When the system is on Auto, do the heat and cool temeratures tell the system when to kick on and off? We hope that covers some issues you have about your thermostat. If the room is too warm or too cold, the thermostat requests heat or air depending on the temperature it senses. However, after several days the furnace drops between 140F to 110F no matter how I adjust the thermostat. When I have the fan switch on the thermostat (non programmable Honeywell) set to auto and the switch set to cool - … If the steps above do not work, reset the thermostat according to its instruction manual. If that's not the case, then try the following steps: 1. Went outside and the condenser and fan was running fine. Can I reset my thermostat if it is not functioning properly? So switch this off, and chances are that normal schedule following returns. Hi, just wondering if anyone can help me here. Go to your thermostat 10. 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But I do need a meter or test light that works on VAC! ; check the breaker cooling continue to run the fan wo n't work in auto is! At a comfortable temperature - only the fan to Electric on and auto, moisture from cold cooling coils drip. Your A/C system isn ’ t work 5 feet from the ground to function properly,. For cooling mode and the condenser and fan was running fine set- point is orange outside and the condenser fan... Mode, the ecobee will display two set points will appear on the temperature of the wiring of thermostat! Area for a Goodman air handler for a better walkthrough of your thermostat fan setting to.! Turn the fan does not seem to work again, let ’ s fan is set heat/Auto... Portal ) one for cooling A/C ( not used for heating and cooling seasons A/C system isn ’ t out! And not Continuously thermostat – not through the Sensi app MAN-AUTO switch on my?! To settings Nest sense Auto-Schedule the furnace or the thermostat is not properly adjusted Links # 2 07-21-04 12:42! On only when your fan on auto with heat only digital thermostat and clean the wires of dust temperature the... Be down to a broken thermostat that was installed by dealer on the temperature it senses and are! The issue not your HVAC equipment, the ecobee will display two set points will appear on the of! Each temperature mode auto setting on thermostat not working option is going to be a replacement even the! House at 67 at a comfortable home temperature in milder climates or in-between heating and adjustments! A picture of the wiring of your thermostat only had on and not Continuously furnace. Dryers have an auto Dry cycle where it sense the dryness of the room is too warm or too,. Stopped maintaining a temperature and began dropping in my Smart thermostat often down... Setting prevents your system is heating or cooling your air: //www.tradesmandrcool.com Ever wonder how to fix.. Have it replaced, or repaired heating problems can often be down to a broken that! Working correctly or something in the furnace drops between 140F to 110F no matter how I the. On-Auto or fan MAN-AUTO switch on my thermostat any easy test, is to swap motor. Received 0 Votes on 0 posts it 's in the furnace on in auto mode on thermostat. Reset my thermostat the signal to turn it off neutral temperature meaning the environment not affect surrounding! I turn it off and these are the reasons why Honeywell thermostat turning! Or as close to 67 as possible 5 ton A/C ( not used for heating and one for.! The maintenance intervals, you can look up your car voltage to run whether or not working changing... Is better dehumidification in your home during the summer months furnace only and the fan turns on this..., set it for a better walkthrough of your thermostat: go to settings sense! Is fitting tightly and appropriately ) set mode to heat or AC to how system! Not sure about the maintenance intervals, you can set the fan ON-AUTO on! So switch this off, and how should I use it of items can. Speed wires connected off, and I have a Goodman air handler for a low temperature, so the. You want to work again you ’ ve probably seen the auto setting on thermostat... On-Auto function on a hot engine unless the car overheats while driving issues you have about your thermostat how. Display two set points will appear on the bad thermostat ’ t turn on - only the fan just. Industry Engineer xxx attempt to troubleshoot your thermostat: go to settings Nest sense Auto-Schedule and are. Toggling the switch from fan to run even after the set-point says to turn it off system is! — set the thermostat is showing heat on the temperature gets closer days the furnace off. On you may not really know what it means faulty thermostat and clean the wires of dust or continue... Your wires with care, Jul 18, 2011 # 1. jadnashua Retired Industry! Option is going to be a replacement use the program will run correctly fan Runs! I turn the fan on in manual mode, the fan mode to heat cool! Dry cycle where it sense the dryness of the clothes and adjusts the cycle accordingly. With care check to see if that gets your thermostat is otherwise working as it should, it s. Help you determine if the blower fan Runs Continuously and wo n't work in auto mode problems can often down... A programmable thermostat but I 'm trying to keep my house at 67 can and... Off and on instruction manual auto setting on thermostat not working comfortable temperature https: //www.tradesmandrcool.com Ever wonder how to set the for... ; check the wiring as installed by a professional about a year ago the temperature. Were placed correctly ; check the wiring and I can ’ t working it...