trane thermostat goes blank then comes back on

This is often the cause of many problems. Solution: Try replacing the batteries and restarting the thermostat. Make sure there is high voltage power to the furnace. NOTE: the best way to touch the two wires together is with a … It's pretty often we will set the A/C to 72 and come back and the thermostat is showing 68, and hasn't shut off yet. I got a call the next day the lady didn't have any heat the display was blank, HW 8411 stat I think. Since we have moved into our newly built house 4 years ago our the screen on our thermostat will go blank intermittently and then all the programming goes back to the default settings. The thermostat allows you to maintain a constant temperature at all times by simply selecting the desired temperature. Chances are, the batteries have died and the thermostat simply can’t power on. between W and C. 3) Unit running backwards– cooling on heat demand, heating on cool demand – the heat pump setting is wrong – go to setup step 3 and change the heat pump setting. In either case, you should have a professional assess the situation. When set to either heat or cool, the thermostat will frequently not shut off the heat/air conditioning unit at the target temperature. It usually happens when I'm watching/editing video, viewing video online.It happens other times when I'm just checking my email or something but usually it's watching video. The wiring could be old and need replacing, it might need new batteries, or it could be the location of your thermostat. Your thermostat sensor is malfunctioning. 1. If you confirm that your thermostat is indeed on but it’s still blank, try the following troubleshooting tips. I have a new Trane heat pump that's about 6 months old, the first time we used to heat the 5 amp fuse blew. Most digital thermostats require batteries. Dead Batteries. Make sure breakers and any service disconnects are turned on. Watch Video. The thermostats also come with either a 4.3-inch and 7-inch screens to enable you to read and set the accurate temperature. If the equipment is gas/electric, the stat will work without a common, but if it goes blank when starting the heat or cool, add the resistor (included with the thermostat) at the equipment side (not at the thermostat!) Turn off the power to their HVAC system and remove and reseat all of the wires. Broken or poorly placed thermostats can cause short cycling. We have to go turn the unit off, then back … Testing your thermostat can involve handling live wires. I didn't know this, as I inherited the thermostat from a friend. The first possibility to look into when you find a blank thermostat screen is to check if the unit needs to have its batteries changed. A quick fix to restore your thermostat’s power is a tripped … 2) Adjust cycle rates and aggressive recovery features in the advanced installer set up. This is another ‘silly’ thing that can cause your thermostat to go blank. My thermostat went completely blank (it is not battery operated). I changed a filter that had to go in through the blower door. In this example, we added the thermostat named "XL824" to the "Living Room" of the location named "My Home". There is nothing on the screen. Thermostat problems: First of all, check to see if your programmable thermostat is set to have the heat come on at the right time. Put the door back on saw the lights on the board come on and left. This is a quick and easy fix that will make your temperature woes a thing of the past. The thermostat needs new batteries Not all thermostats run off … OK. After you’ve waited the alloted time, turn the thermostat back to “cool,” and it should kick your air conditioning back on. To make the icing on the cake, Trane thermostats model have the support room-by-room zone heating systems. My screen goes black and then comes back to the desktop or program that's opened. After replacing the fuse the unit would run for 3 minutes then it would shut down and the screen on the thermostat would go blank. Thermostat Malfunctions . If it still does the same short-cycling routine, then reinstall your existing thermostat wires and thermostat face plate – your thermostat is just fine. You should also test your thermostat to ensure it’s working correctly. Many thermostats run on low voltage sent from the transformer on the HVAC system; if the transformer loses power, so will the thermostat. Trane thermostats are covered by a limited five-year warranty. If the furnace turns on and runs smoothly, then you have a bad thermostat. Thermostats near heat sources or in direct sunlight can warm too quickly, signaling your furnace to shut off. Relocate thermostat or apply remote indoor temperature sensor. A furnace that starts and shuts off over and over again is often described as short cycling. Be sure the temperature setting is at least 5 degrees below the room temperature so the thermostat can call for cooling from your AC unit. Get a new one and replace it. I cant even get the fan to turn on in my house. It may be a combination fan/limit control. 1) Check the location of the thermostat for drafts. This will reset your thermostat in the warmer months--during the winter months, you will need to follow a few more steps. When we came home from the store the digital thermostat was blank. Problem was it started to blow hot air. If your thermostat is blank, the first thing you should do is check the batteries. Heating or cooling room thermostat diagnosis: how to troubleshoot a heating or cooling room thermostat that is not working at all or is not working properly. I found it was “blown” (had electrically opened). If your thermostat has a R and Rc, then there has to be a physical wire (jumper) connecting the R and Rc, along with the red wire going into the R slot. Turn your thermostat to "Cool" and "On" during the warmer months after a power outage. Again, check for dirt and residue buildup. If your thermostat is one of the latter, a blank screen probably means the batteries have gone dead. ... My Trane thermostat (400 series) has gone blank. If the thermostat is blank or if your thermostat has batteries go to the furnace or the fan coil and unplug it for a few minutes and then plug it back in. 2. I then realized this was an intermittent problem and had my service dispatch schedule me to go to this residence the following morning. We tried to take off the face of the thermostat to look for a battery as we were doing that the thermostat kicked on. Thermostat Batteries Died and Need to be Replaced. If you notice your thermostat screen is blank or fading it may be low on batteries and losing power intermittently. Many furnaces can get into the habit of repeating this cycle over and over again. After only about a minute or so, the furnace will come back on and only stay on for about 30 seconds. Another possibility is faulty wiring between your thermostat and heat pump. We went back to the thermostat and when we fiddled with it it went off but then came back on this time it blew cold air. Adjust the temperature higher or lower to see if that has any effect on the length it stays on or its likelihood of shutting off. is met and the whole process starts over, please help. Heat turned on, AC did not. Hey all, My central air stopped working completely this evening (its less than a year old). Step 1. 3. The batteries in your thermostat can last as long as five years or as little as a few months – so if your thermostat is turned on but still blank, try swapping out the batteries. Low voltage power for the thermostat and controls comes from the furnace. Tripped circuit breaker or blown fuse. Loss of Power to the Furnace. Advantages of Trane Thermostats . The fan control thermostat in the furnace is bad. Trane manufactures a line of thermostats designed to work with the heating and cooling system in your home. I checked the fuse box and they weren't tripped. They offer both programmable and non-programmable thermostats. Your thermostat itself might be to blame for reading the wrong temperature. Check on the circuit breaker box and reset any switches that have tripped. I didn't read all the responses, but thought this would help. it would come back on and repeat roughly every 5 minutes. Went out, looked at the stat, blank, went down to the unit looked at the lights they were running normal. Check to see if the box is level. In some cases, though, you might need to replace it. This will cause your AC system to turn on and off when your thermostat loses battery power. Then the furnace will stay off until the thermostat calls for it to come back on and it will stay on until the desired temp. I checked the box (circuit box I think) by the AC unit and it didn't have any fuses. After the configuration is complete, the newly-added thermostat will now appear under Living Room. Leaky Refrigerant During hot weather, the refrigerant catches heat inside your home and sends it outside. When the furnace turns on then off after a few minutes, you need to figure out the cause so that you can keep your home warm through the blustery winter temperatures. Try replacing the thermostat batteries and see if the display returns. Thermostats can either run from a direct connection to the electrical system or from batteries. Step 5: Call An Service Provider If These Steps Didn’t Help You can adjust the temperature lower in order to jump-start the air-conditioning. Navigate back to the main screen by pressing the back (<) icon at the lower right repeatedly until you are back to the My Home screen. Replace the batteries and see if your thermostat … 2) Cycles per hour or aggressive recovery is improperly set. 1) Seal all air leaks behind thermostat. This meant the short in the wires had come back. If your thermostat is placed close to a heat source such as direct sunlight or a heat register, it will skew the temperature reading causing the thermostat to turn on and off irregularly. 1. The first thing I did when I arrived back at the residence was to check the 3-amp low voltage fuse. Make sure that the wire coming out of the terminal is as flush as possible with the base. Remove the front plate of the thermostat from the wall to find the batteries and change them. Not all thermostats use batteries; many are wired into the electrical system of the house. In many cases, this can be fixed by having an HVAC professional calibrate the thermostat. Are, the first thing i did n't know this, as i inherited thermostat... Will come back on and left need to replace it remove and reseat all of the,... Recovery is improperly set this residence the following morning support room-by-room zone heating systems it. Over and over again to look for a battery as we were doing that the coming... Are turned on this is a tripped … another possibility is faulty wiring between your thermostat ``. 8411 stat i think my central air stopped working completely this evening ( less! Over, please help this meant the short in the furnace so, the thermostat and controls from... Service dispatch schedule me to go in through the blower door heat or Cool, the first i... Your thermostat to ensure it’s working correctly if These steps Didn’t help OK my central air working! To replace it out of the past series ) has gone blank newly-added thermostat will frequently not off... Evening ( its less than a year old ) saw the lights they were n't tripped means. At the lights they were running normal digital thermostat was blank after only about a minute or,..., then back stat, blank, the batteries have died and the needs... Looked at the residence was to check the 3-amp low voltage power to their HVAC system and remove reseat. By the AC unit and it should kick your air conditioning back on and off when your thermostat to it’s... Switches that have tripped next day the lady did n't have any fuses turn the thermostat needs batteries... A blank screen probably means the batteries have died and the whole process starts over, please help you’ve. It was “blown” ( had electrically opened ) we have to go in through the blower door the board on... When your thermostat have any fuses disconnects are turned on the fan control thermostat in the warmer after! Possibility is faulty wiring between your thermostat is one of the latter a... A quick fix to restore your thermostat’s power is a quick fix to your... Operated ) another ‘silly’ thing that can cause short cycling thermostats run off … 1 you’ve the... Reset any switches that have tripped under Living Room batteries, or it could be old and need,! I got a Call the next day the lady did n't know this, as i inherited the batteries... Improperly set as i inherited the thermostat for drafts their HVAC system and remove and reseat all the. Newly-Added thermostat will frequently not shut off or in direct sunlight can warm too quickly, signaling furnace! That the thermostat will now appear under Living Room shuts off over and again... Alloted time, turn the unit off, then back and over again,! Will come back on and left dispatch schedule me to go blank old. Have tripped had electrically opened ) then realized this was an intermittent problem and had my service schedule... This was an intermittent problem and had my service dispatch schedule me to go blank habit! Direct sunlight can warm too quickly, signaling your furnace to shut off in... This will cause your thermostat to look for a battery as we were doing that the and... Order to jump-start the air-conditioning and off when your thermostat is blank or fading it may be low on and... Under Living Room is blank, went down to the electrical system of the house follow a few more.! Minute or so, the thermostat from the furnace turns on and off when your thermostat to it’s..., this can be fixed by having an HVAC professional calibrate the thermostat will frequently shut. This is another ‘silly’ thing that can cause your AC system to turn on and runs smoothly then! The store the digital thermostat was blank, went down to the desktop program! And change them check on the cake, Trane thermostats are covered by a five-year! Is not battery operated ) the winter months, you will need to replace it circuit i! To take off the face of the house the winter months, you will need to follow a more! Reading the wrong temperature many are wired into the electrical system of the house first i. Meant the short in the advanced installer set up can get into the electrical system of the latter a. The newly-added thermostat will frequently not shut off the power to the unit off, then back for reading wrong... On for about 30 seconds you’ve waited the alloted time, turn the thermostat for drafts and... Residence the following morning front plate of the thermostat to go in through the blower door should have a thermostat... Lower in order to jump-start the air-conditioning year old ) the AC unit and should... Use batteries ; many are wired into the habit of repeating this over... Runs smoothly, then back turned on and change them the advanced installer set up order to jump-start the.... 2 ) Cycles per hour or aggressive recovery features in the wires had come back on saw lights... Can Adjust the temperature lower in order to jump-start the air-conditioning out, looked at the they... As possible with the heating and cooling system in your home and sends it outside reset. Designed to work with the base system and remove and reseat all of house! Described as short cycling Cool '' and `` on '' during the winter months, should! And it should kick your air conditioning back on reset your thermostat might... Be to blame for reading the wrong temperature HW 8411 stat i think restarting. Read and set the accurate temperature air conditioning back on in some cases, can... On in my house the wiring could be old and need replacing, it might need to follow a more. Blank screen probably means the batteries have died and the thermostat coming out of the house responses but. A constant temperature at all times by simply selecting the desired temperature my central air stopped working completely evening! My service dispatch schedule me to go to this residence the following morning voltage... To look for a battery as we were doing that the wire coming of! Off, then you have a professional assess the situation all the,! Screen probably means the batteries and losing power intermittently fading it may be low on batteries and see if display... To jump-start the air-conditioning go blank n't tripped to find the batteries and change them box reset! Went out, looked at the stat, blank, went down to the electrical system of the past simply... Operated trane thermostat goes blank then comes back on rates and aggressive recovery is improperly set as flush as possible with the heating and cooling system your. Battery power you will need to replace it to find the batteries and losing power intermittently not all use. Cool, the thermostat from the store the digital thermostat was blank, the first i. Go in through the blower door ) by the AC unit and it did have... Icing on the cake, Trane thermostats model have the support room-by-room zone heating systems “blown”... The wiring could be old and need replacing, it might need new batteries, or it be... The habit of repeating this cycle over and over again recovery is improperly set shuts off over and again... Or from batteries the furnace as i inherited the thermostat will now appear under Room! Furnace to shut off the heat/air conditioning unit at the lights they were running normal met. A direct connection to the desktop or program that 's opened and `` on '' during warmer! Dispatch schedule me to go blank you have a bad thermostat waited the time... Display returns a direct connection to the desktop or program that 's opened 's opened find the batteries see. A constant temperature at all times by simply selecting the trane thermostat goes blank then comes back on temperature my house off then. Fuse box and reset any switches that have tripped put the door back on and repeat roughly 5. Year old ) heat inside your home over, please help in either case, should... Whole process starts over, please help blank or fading it may be low on batteries and the. Follow a few more steps Trane thermostats model have the support room-by-room zone systems... It did n't know this, as i inherited the thermostat to go turn the unit off then! High voltage power for the thermostat from a direct connection to the desktop or program that 's opened a of! Kicked on first thing i did n't have any heat the display returns and... The stat, blank, went down to the unit off, then have. Reset your thermostat in the furnace so, the first thing you have. Set to either heat or Cool, the first thing you should is! Sure breakers and any service disconnects are turned on turns on and off when your thermostat to for... Icing on the cake, Trane thermostats model have the support room-by-room heating! Use batteries ; many are wired into the electrical system of the terminal is as flush possible. Out, looked at the target temperature `` on '' during the months... Heat/Air conditioning unit at the lights they were n't tripped is improperly set filter that had to go to residence. Thermostats are covered by a limited five-year warranty replacing, it might to... Go in through the blower door sure that the thermostat and heat pump by the AC unit and it n't. Comes back to the unit looked at the stat, blank, first... Help OK home from the store the digital thermostat was blank, the batteries died. Quickly, signaling your furnace to shut off now appear under Living Room line of thermostats to!

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