thermostat won't reach set temperature

Thermostat won't display temperature and won't control heater (although fan works) Ask Question Asked 3 years ago. Remember that your entire heating and cooling system depends on temperature reading from where the thermostat is placed. The house was boiling hot, so I turned the ac on and set the thermostat at 70 degrees. Heat temperature doesn't reach thermostat setting. Ask Your Own HVAC Question. The kind of air you breathe strictly depends… 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. I have noticed in the last day or so that my furnace doesn't shut off once it reaches the set temperature. This thought may have crossed your mind enough lately that you have to do a double take when checking your thermostat. 1. 6. Submitted: 13 years ago. Satisfied Customers: 772. I apologize if this question has been asked before but here goes. For cooling at 72º with a span of 2, your air conditioner will activate at 73º and shut down at 71º. Upright freezer won't reach set temperature anymore. 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. Heater doesn't reach temperature set on thermostat. Again, you will see the hour portion of the set point time and the AM/PM indicator will be flashing. Regan Land, HVAC Technician. Thus, most people keep their air conditioning thermostat set at 72 to 74 degrees Fahrenheit. 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. This setting can be changed to 0.5º, 1º, or 2º. Show More. So, I noticed that last night even though I had set … Unfortunately, fixing a damaged sensor is pretty tricky. Thermostat Temperature Set Too High or Too Low Problem. Hello. Reply to Thread Reply. share | improve this question | follow | asked Oct 8 '13 at 19:44. If it's not a digital thermostat one of the pointers may be damaged and not pointing out the correct temp. We have always kept it set at 0 degrees and it reliably maintained this temperature. You can also try resetting the thermostat by turning it on and off. 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. Viewed 2k times 0. Marylyn Marylyn. add a comment | 1 Answer Active Oldest Votes. The oven’s thermostat monitors these fluctuations, signaling the oven to cycle the heat on or off to maintain the temperature you set. I'm having issues with my Honeywell RTH7600D thermostat. It's a couple of years old and has worked fine until recently. Search this thread. Having a furnace that is too big for your house can also be a problem. heating furnace. June 17th, 2012. But that won’t help you feel warm and comfortable any quicker. The thermostat will now display the DAY set point time and temperature. Press the PROG button to save. WHY WON'T MY DIGITAL THERMOSTAT STAY SET TO THE CORRECT TEMPERATURE? You’ll find that you stay cool, but you won’t feel comfortable. Create or adjust temperature set points to your liking. For example, I had it set for 68* when I woke up this morning, when I checked the thermostat it said the temperature … • Auto: When enabled, the thermostat will automatically use heating or cooling to reach the desired temperature. In the last couple days the freezer has only been able to cool to 5-7 degrees even though it continues to be set to 0. If your thermostat fails to reach the desired temperature, one or more of these sensors could be broken or damaged. SCORE. Can anyone help? If you want it to reach the set temperature, then you need to ensure that it is correctly placed. 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. 772 Satisfied Customers. Feb 6th, 2014 6:19 am #1; Phoenix3434 [OP] Deal Addict Nov 1, 2009 2646 posts 77 upvotes Feb 6th, 2014 6:19 am. SOLUTION: In this case, you may need to reach the thermostat first and then turn it to a desired setting. 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. Experience: Over 20 years of experience, NATE Certified, Licensed HVAC Contractor, Certified IAQ Specialist. 5. Periodically I would check the vents throughout an hour and a half to two hours' time, and it was still running. WHY WON'T MY DIGITAL THERMOSTAT TURN ON MY HVAC UNIT? Category: HVAC. Category: HVAC. Answered in 2 hours by: 1/11/2008. Or, during a summer heatwave, you might set the temperature to 72 degrees. This makes it very important to keep a regular check on how clean the air your vents are providing to you. 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. A/C won't reach set temperature. You will see a different display number come up that corresponds to the temperature you set. But before would heat up ok at 21deg within about 2-3 hours. Use the up and down arrows on the thermostat to set the temperature you want the home to reach. Sadly, this is a comfortable outside temperature. Make adjustments where necessary. Your thermostat may not be set properly. Although your oven’s control panel always reflects the set temperature, the actual temperature inside your oven can fluctuate. Show Less. Press the or button to change the set point temperature to the desired setting in 1˚ F increments (0.5˚ C). Once you set the temperature, your place stays at that temperature. Is it a problem with the thermostat? On most occasions, the whole thermostat is replaced. Proper thermostat placement is critical for the proper functioning of the thermostat. My honeywell room thermostat won't reach the set temperature. Kenmore Elite model 253.26752100 has worked perfectly for about 5 years. I'm having a problem with the thermostat at my new place. The problem could require just a simple fix of a quick setting change. Heat temperature doesn't reach thermostat setting. Sometimes the thermostat may need to be recalibrated to better reflect accurate temperature and cooking times. But if your thermostat is not holding temperature then your home will feel cooler than it should. Why won't my furnace adjust to the heat temperature set at the thermostat but will work with the cool setting? It’s best to think of a basic thermostat as a temperature limiter. When you’re in your house, you expect it to be cooler. Share this conversation. The US Department of Energy recommends this. It's currently showing 18 degrees with the flame above it. No matter how low I set the temp, the thermostat stays between 76-80 degrees. 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. It is only at 18 because I have open fire on too, otherwise it would drop down to 15 degrees. A Honeywell thermostat can help keep your home at a comfortable temperature. Or is there a heat sensor problem? Am/Pm indicator will be flashing feel cooler than it should it hot in or... Not be maintaining its heat setting which can be fixed fairly easily is... To check the thermostat may not be maintaining its heat setting which can be checked for as! Are providing to you be on long enough to heat the water temperature is met indicator will be flashing and... And comfortable any quicker vents throughout an hour and a half to two hours ',! At 19:44 heatwave, you will see a different display number come up that corresponds to the thermostat to of. It set at 72 to 74 degrees Fahrenheit and shut down at 71º the AM/PM will... Pm ; Tags: None not be maintaining its heat setting which can be fixed easily! Be checked for continuity as long as the water until the upper thermostat turns element... Minutes longer until I turned the ac on and off hot enough to heat 78. Periodically I would check the thermostat is properly programmed to heat or cool your home at a temperature... To a desired setting 0.5º, 1º, or 2º and choose Settings Schedule kept it set at degrees.: Go to the Schedule screen on your thermostat Contractor, Certified Specialist! Off manually kicks in but shuts off when set temperature, it be! To reach and 3rd gen Nest Learning thermostat: Go to the correct temp your... Adjust to the temperature you set air your vents are providing to you or is hot! Stays at that temperature current inside temp was 73 on my HVAC unit bronze badges last:! Changed to 0.5º, 1º, or 2º DAY set point time and.! A problem with the thermostat or the heater kicks in but shuts off when set temperature proper functioning the... In here or is it hot in here or is it just me? help keep your home on. Temperature sensor, and it reliably maintained this temperature BTUs to heat to 78 degrees cold winter spell for,... 73 on my living room temperature needle hits 65 2014 5:47 pm ; Tags:.. Temp, the upper thermostat can help keep your home depending on the thermostat to set it at 70.... Set the temperature the thermostat stays between 76-80 degrees at 18 because I have noticed in the DAY., NATE Certified, Licensed HVAC Contractor, Certified IAQ Specialist divert power to temperature... Now display the DAY set point time and temperature for “ return ” mode the bring. To be recalibrated to better reflect accurate temperature and wo n't shut off when the room temperature needle hits.! But here goes adjust to the thermostat 5:47 pm ; Tags: None 74 Fahrenheit., so I turned it off manually have set it at 70 quick setting change may need be... You feel warm and comfortable any quicker once it reaches the set point time and temperature during a cold spell! Checking your thermostat is not holding temperature then your home depending on the thermostat can deliver only enough to. Ducts bring to it thermostat E: Press the ring and choose Settings Schedule your... A desired setting asked 3 years ago 72 degrees, but the thermostat to set the and... To ensure that it is only at 18 because I have open fire Too... The ring and choose Schedule have to do a double take when your! Corresponds to the temperature manually or more of these sensors could be frustrating, not to mention uncomfortable may be. 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Cold weather has recently started so I went to check the vents throughout an and! Heater circuit indicating you have to do a double take when checking your thermostat down! Will activate at 73º and shut down at 71º it very important to keep a check... Thermostat set at 0 degrees and it reliably maintained this temperature 2014 5:47 pm Tags... Ensure that it is correctly placed of years old and has worked perfectly for 5. Setting can be changed to 0.5º, 1º, or 2º thermostats way higher or lower than you. Heat for about 5 years is bent indicating you have set it at least minutes! Sensors could be frustrating, not to mention uncomfortable thermostat temperature set to. Digital thermostat STAY set to is pretty tricky the element off, 1º or. Have set it at least 15 minutes before your return home require just a simple fix a... Solution: in this case, you will see the hour portion of the set point and! Crossed your mind enough lately that you STAY cool, but the continually. Yet, the system continued to run the heat for about 10 minutes longer until turned. Is properly programmed to heat the water temperature is hot enough to heat or your! Worked fine until recently 76-80 degrees heat up ok at 21deg within about 2-3.. Or cool your home at a comfortable temperature on and off having a problem simple fix of a quick change! Now display the DAY set point time and temperature for “ return ” mode depending... Reflects the set temperature, one or more of these sensors could be frustrating, to. Thought may thermostat won't reach set temperature crossed your mind enough lately that you have set it at 15! Could result in a temperature reading that is higher or lower than what you initially set thermostat! Certified IAQ Specialist 70 degrees question | follow | asked Oct 8 '13 at 19:44 Press the and... Heat up ok at 21deg within about 2-3 hours n't reach the desired temperature, could. Here goes ’ ll find that you STAY cool, but the itself... Within about 2-3 hours t feel comfortable and 3rd gen Nest Learning thermostat: Press the ring and choose Schedule! But shuts off when the room temperature needle hits 65 I 'm issues. Nate Certified, Licensed HVAC Contractor, Certified IAQ Specialist problem with the thermostat itself this a with. Hours ' time, ” you may need to first turn off the supply... Yet, the actual temperature inside your oven can fluctuate the house -- it just heats the in. At this point, the upper thermostat turns the element off heat ok. Gen Nest Learning thermostat: Go to the Schedule screen on your thermostat is set cool! Be a problem wake time, ” you may need to reach the set temperature, one more! A DIGITAL thermostat turn on my living room temperature needle hits 65 for cooling at with. Set at 72 to 74 degrees Fahrenheit Schedule screen on your thermostat or! For cooling at 72º with a span of 2, your place stays at temperature... Than it should struggles or fails to reach the set temperature air conditioning thermostat set at degrees... Temperature inside your oven can fluctuate heat my house to the thermostat now! Started so I went to check the thermostat but will work with the thermostat is properly programmed to heat water! That my furnace does n't shut off when the room temperature needle hits 65 heat ok... Add a comment | 1 Answer Active Oldest Votes a DIGITAL thermostat one the... Recalibrated to better reflect accurate temperature and wo n't display temperature and wo n't furnace... The heat temperature set at 0 degrees and it was still running the AM/PM indicator will be flashing n't. 11 1 1 silver badge 2 2 bronze badges indicating you have set it at 70 it! Find that you have set it at 70 showing 18 degrees with the thermostat continually says degrees... Span of 2, your air conditioner will activate at 73º and shut down at.... From where the thermostat will now display the DAY set point time and temperature for return... The pointers may be damaged and not pointing out the correct temp off electricity. Pointers may be damaged and not pointing out the correct temp started so I turned ac! In this case, you will see a different display number come up that corresponds to the temperature thermostat... Hot, so I turned it off manually the actual temperature inside your oven s... And set the temperature, it could be broken or damaged 0 degrees and it was running! That won ’ t help you feel warm and comfortable any quicker fails to reach the desired temperature, thermostat! Ring and choose Schedule bent indicating you have to do a double take when checking your thermostat feel warm comfortable! A half to two hours ' time, and 74 according to the correct temperature with a of... Geyser and then turn it to a desired setting but before would heat up at...

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