5. Remember that your entire heating and cooling system depends on temperature reading from where the thermostat is placed. Thermostat won't display temperature and won't control heater (although fan works) Ask Question Asked 3 years ago. Marylyn Marylyn. My furnace won't heat my house to the temperature the thermostat is set to. Set the time and temperature for “return” mode. I apologize if this question has been asked before but here goes. Why Your Air Conditioning Thermostat Set at 78, Won't Cool Below 80 [fa icon="calendar"] July 30, 2019 / by Home Services Expert. SCORE. For example, the temp selector needle is bent indicating you have set it at 70. So, I noticed that last night even though I had set … Search this thread. For example, I had it set for 68* when I woke up this morning, when I checked the thermostat it said the temperature … The selector needle is off 5 … share | improve this question | follow | asked Oct 8 '13 at 19:44. The upper thermostat can be checked for continuity as long as the water temperature is hot enough to satisfy the thermostat. Category: HVAC. Having a furnace that is too big for your house can also be a problem. Viewed 2k times 0. A Honeywell thermostat can help keep your home at a comfortable temperature. Can anyone help? Set the thermostat to a temperature that your heating and/or cooling system won’t reach, in case you don’t want it running while you’re out of the house. If your thermostat fails to reach the desired temperature, one or more of these sensors could be broken or damaged. This test will require that the power be on long enough to heat the water until the upper thermostat turns the element off. My honeywell room thermostat won't reach the set temperature. But that won’t help you feel warm and comfortable any quicker. We have always kept it set at 0 degrees and it reliably maintained this temperature. The thermostat will now display the DAY set point time and temperature. Kenmore Elite model 253.26752100 has worked perfectly for about 5 years. Sometimes the thermostat may need to be recalibrated to better reflect accurate temperature and cooking times. The house was boiling hot, so I turned the ac on and set the thermostat at 70 degrees. Although your oven’s control panel always reflects the set temperature, the actual temperature inside your oven can fluctuate. But before would heat up ok at 21deg within about 2-3 hours. Active 3 years ago. This setting can be changed to 0.5º, 1º, or 2º. This problem is related to thermostats because if the thermostat is set to a lower temperature then the water won’t heat as much as you would like it to. If you’re looking for heating, but the system is set to “cool,” the thermostat won’t reach the set temperature because the system will blow cold air. This issue could result in a temperature reading that is higher or lower than what you initially set the thermostat to. heating furnace. Then we noticed about a month ago that we set the temperature to 21deg, (which has always been) all the RADs heated up ok, but the temperature wont go above 15deg. 772 Satisfied Customers. When your thermostat struggles or fails to reach the desired temperature, it could be frustrating, not to mention uncomfortable! A/C won't reach set temperature. I'm having issues with my Honeywell RTH7600D thermostat. The heater kicks in but shuts off when the room temperature needle hits 65. Has been like this for 2 days. You will likely hear the system click as it engages and turns on the air conditioning to lower the temperature in the house to what you have set. If instead you want your system to start at the scheduled time (not before), disable Early-On; your home won’t reach the target temperature until after the scheduled time. I've found that although our programmable thermostat is set at 68 degrees the heat only seems to come on when the house gets to 62 degress and then shuts off when it gets to 66 degrees. It's currently showing 18 degrees with the flame above it. Reply to Thread Reply. The current inside temp was 73 on my living room temperature sensor, and 74 according to the thermostat itself. House Temperature does not reach setting on Thermostat [ 9 Answers ] We have a digital control panel in our house to control our heating and air. Create or adjust temperature set points to your liking. The kind of air you breathe strictly depends… Category: HVAC. For cooling at 72º with a span of 2, your air conditioner will activate at 73º and shut down at 71º. Is this a problem with the thermostat or the heater? A “dumb” thermostat makes you set the temperature manually. You will see a different display number come up that corresponds to the temperature you set. Nest Thermostat E: Press the ring and choose Settings Schedule. It is only at 18 because I have open fire on too, otherwise it would drop down to 15 degrees. Press the or button to change the set point temperature to the desired setting in 1˚ F increments (0.5˚ C). Yet your cooling system … No matter how low I set the temp, the thermostat stays between 76-80 degrees. Heat temperature doesn't reach thermostat setting. At this point, the upper thermostat should divert power to the lower heater circuit. Sadly, this is a comfortable outside temperature. Submitted: 13 years ago. There are a few reasons a thermostat may not be maintaining its heat setting which can be fixed fairly easily. Again, you will see the hour portion of the set point time and the AM/PM indicator will be flashing. Example: If your thermostat is set to turn on at 72º in heat mode, with a span setting of 2, your thermostat will activate your furnace when the room temperature hits 71º and shut it down when it reaches 73º. I'm having a problem with the thermostat at my new place. Any … Regan Land, HVAC Technician. If it's not a digital thermostat one of the pointers may be damaged and not pointing out the correct temp. Last Updated: Feb 8th, 2014 5:47 pm; Tags: None. It's a couple of years old and has worked fine until recently. Periodically I would check the vents throughout an hour and a half to two hours' time, and it was still running. And remember that in extreme weather conditions, even properly-working equipment might not reach the temperature set on the thermostat. Report This by Manage My Life. You can set thermostats way higher or lower than the HVAC system can deliver. Ask Your Own HVAC Question. Or, during a summer heatwave, you might set the temperature to 72 degrees. For this, you may need to first turn off the electricity supply to the geyser and then oven the protective covering. Page 9: Auto Changeover Mode Auto Changeover operation Auto changeover is available if the thermostat is configured for at least 1 heat stage and 1 cool stage and the installer enabled auto changeover. Heating thermostats work by monitoring the average temperature of your home and sending a signal to a boiler to ensure it’s never too hot or too cold. You are not satisfied with the way your thermostat controls the temperature in the room and noticed that the actual temperature does not match the one you’ve set on your thermostat? Check to see if your thermostat is properly programmed to heat or cool your home depending on the season. Your thermostat may not be set properly. 1. WHY WON'T MY DIGITAL THERMOSTAT STAY SET TO THE CORRECT TEMPERATURE? You can also try resetting the thermostat by turning it on and off. Hey guys. On your thermostat: Go to the schedule screen on your thermostat. Feb 6th, 2014 6:19 am #1; Phoenix3434 [OP] Deal Addict Nov 1, 2009 2646 posts 77 upvotes Feb 6th, 2014 6:19 am. The problem could require just a simple fix of a quick setting change. A furnace doesn't heat all the air in the house -- it just heats the air that the ducts bring to it. 6. It’s best to think of a basic thermostat as a temperature limiter. Hello. • Auto: When enabled, the thermostat will automatically use heating or cooling to reach the desired temperature. Can you help please?Thanks, Ruth Thus, most people keep their air conditioning thermostat set at 72 to 74 degrees Fahrenheit. Press the PROG button to save. During a cold winter spell for example, you might set the temperature to 85 degrees. The oven’s thermostat monitors these fluctuations, signaling the oven to cycle the heat on or off to maintain the temperature you set. I have set it for 21 degrees. The US Department of Energy recommends this. Perhaps, your appliance is standing in the far corner of the room or too close to the door where drafts are affecting its temperature sensor. This makes it very important to keep a regular check on how clean the air your vents are providing to you. As with the “wake time,” you may want to set it at least 15 minutes before your return home. You’ll find that you stay cool, but you won’t feel comfortable. The reason for that is simple: a thermostat has no control over how quickly your house heats up; all it does is set the final temperature for your comfort level. Experience: Over 20 years of experience, NATE Certified, Licensed HVAC Contractor, Certified IAQ Specialist. Show Less. Lately (especially on really cold nights) the house will not heat properly and we wake up to a freezing home with a temperature in the low 60s. 11 1 1 silver badge 2 2 bronze badges. WHY WON'T MY DIGITAL THERMOSTAT TURN ON MY HVAC UNIT? On most occasions, the whole thermostat is replaced. Answered in 2 hours by: 1/11/2008. Essentials for a Perfect House Vent Cleaning [lwptoc skipHeadingLevel="h1,h2,h4,h5,h6"] If you live in a centrally conditioned house, you would probably have vents all over your place. Heater doesn't reach temperature set on thermostat. But your furnace can deliver only enough BTUs to heat to 78 degrees. SOLUTION: In this case, you may need to reach the thermostat first and then turn it to a desired setting. If your furnace is too small for your house, then it will work constantly and never raise the temperature up to where you have set the thermostat. In the second (right) screenshot, on a different day, the heat was set to 72, inside temp was 73, and again the system continues to run. Create or adjust temperature set points to your liking. Ask Regan Land Your Own Question. If you want it to reach the set temperature, then you need to ensure that it is correctly placed. This thought may have crossed your mind enough lately that you have to do a double take when checking your thermostat. So we moved the thermostat to another room and it still wont reach 21deg, i had the heating on from 1pm till 11pm yesterday and the max temp was 18.5 deg! Once you set the temperature, your place stays at that temperature. When you’re in your house, you expect it to be cooler. Search this thread. Proper thermostat placement is critical for the proper functioning of the thermostat. I have noticed in the last day or so that my furnace doesn't shut off once it reaches the set temperature. Yet, the system continued to run the heat for about 10 minutes longer until I turned it off manually. We're in Southern California and the cold weather has recently started so I went to check the thermostat. Is it a problem with the thermostat? add a comment | 1 Answer Active Oldest Votes. Tweet "Is it hot in here or is it just me?" Because of the extreme exterior cold it will keep trying to reach the set thermostat temperature, but won’t be able to quite get there. My A/C unit is set to cool to 72 degrees, but the thermostat continually says 80 degrees. Use the up and down arrows on the thermostat to set the temperature you want the home to reach. Show More. It doesn’t know to … Wrong location. A central heating thermostat is a set of controls used to regulate the output of your heating system, to make sure a comfortable temperature is maintained. Thermostat Temperature Set Too High or Too Low Problem. Upright freezer won't reach set temperature anymore. The furnace shuts off after raising the heat maybe a degree and it won''t come back on unless I shut it off and back on. Satisfied Customers: 772. 1st, 2nd and 3rd gen Nest Learning Thermostat: Press the ring and choose Schedule . Heat temperature doesn't reach thermostat setting. Share this conversation. Or is there a heat sensor problem? 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