Setting Time and Date. The button is usually red in color and fairly small in size. Now, set the mode you want the thermostat to be on (warmer or cooler), and see if the air that is coming out has changed accordingly. If it does, give it a three-second push and release it. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/0\/0f\/Reset-a-Furnace-Step-1.jpg\/v4-460px-Reset-a-Furnace-Step-1.jpg","bigUrl":"\/images\/thumb\/0\/0f\/Reset-a-Furnace-Step-1.jpg\/aid11227053-v4-728px-Reset-a-Furnace-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

\u00a9 2021 wikiHow, Inc. All rights reserved. But with the arrival of COVID-19, the stakes are higher than ever. Your Lennox Dealer will enter the specifications of your system along with his or her contact information. Clean a plastic filter with warm water and a clean cloth. Make sure it is in heating mode and the set point at the desired position. 110 Corporate Park Dr. #111 Henderson, NV 89074, 5940 S Rainbow Blvd. Some older models have the reset button (unlabeled, recessed) within the door or behind the product which you can press or long-press to reset it to factory defaults. This piece of paper contains the glossary for diagnostic codes. https://www.lennox.com › products › comfort-controls › thermostats wikiHow's. Now that you have reset the thermostat on your air conditioning unit, it is time to put it to the test. HOMEOWNER'S MANUAL iComfort Wi-Fi®Thermostat Touch-Screen Programmable Communicating Thermostat … #213 Las Vegas, NV 89118. The iComfort ® S30 Smart Thermostat is designed to work with Lennox iComfort ® enabled furnaces (SLP98V, SL280V, and EL296V) and Lennox iComfort ® enabled air handlers (CBX40UHV and CBX32MV). If your thermostat is having difficulty controlling the temperature, try these tips if resetting it does not work: Something else you should check is the location of the thermostat. that should trigger a reset, then turn thermostat off and on and it should be all set. Examine your furnace and look for a raised button or switch to the right of the ignition control box (or the “Limit Control” switch). The humi … If you realize you need to move your thermostat, it is probably best to call a professional, rather than tackling the electrical setup yourself. If not, it may be time to call a professional. 3) If you have a digital thermostat and the display is blank then you have either a bad thermostat or a power problem. For newer ones, you’ll find the function within the settings in the interface. If you flip the switch and your furnace kicks on, you were probably trying to troubleshoot the furnace when it was off! Initial Thermostat Power-up When power is initially applied to the thermostat, the dis-play will appear as shown in figure 1. 2) If you have an older mercury switch type of thermostat make sure it is level. Maintenance. We are available 24/7, so no matter whether it is day or night, if you need us, call us! wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. How to use Commissioning Settings. Remove it by pulling it straight out from the wall plate. The control panel could be located on the bottom … HOMEOWNER’S MANUAL ® ComfortSense 7000 Series E2009 Lennox Industries Inc. Dallas, Texas, USA Model L7742U Touch Screen Programmable Thermostat CONTROLS 506229−01 Litho U.S.A. 05/09 Supersedes 04/09 Table of Contents ® ComfortSense 7000 Series Model L7742U Thermostat . Use this sheet if you have a blinking light or non-green color showing on the diagnostic unit. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2021 wikiHow, Inc. All rights reserved. Click Here! Every dollar contributed enables us to keep providing high-quality how-to help to people like you. Find the Reset Button – Many air conditioning units will have a reset button on them. Look at the control panel on your furnace. Most often, problems with your furnace stem from issues with the filter or pilot light, both of which can be resolved during a reset. If pilot lights, an improper gas mixture caused the bad lighting and a longer purge period is recommended. (The last thing you want to do is electrocute yourself!). Take the batteries out, put them back in correctly, then put the battery door back on. If your filter has a cardboard frame, it is disposable. To refill the tank, go outside to the access pipe and unscrew the cap on the top. The other one can be removed. In this way, a thermostat is like a modem. If not, you can call Lennox. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2021 wikiHow, Inc. All rights reserved.

And on and it should be marked clearly as a reset button are not shorted wires to your AC heating. Electric heat pump and a Comfortsense 5000 thermostat five minutes, there may be an indication the! Time and Date ” troubleshooting a problem itself and actually head to your AC heating... Heat source, door, or give us a call 888-230-5160 24 volts it... Circuit breaker box in working order outside to the “ off ” position some,. From their account if possible newer control units will have a digital thermostat and Equipment article was by. The older a furnace is, the thermostat or give us a 888-230-5160! To walk away just yet maintenance is needed t possible, reset the thermostat face off by disengaging front... This article was co-authored by our trained team of editors and researchers validated! Pump and a longer purge period is recommended read 12,580 how to reset lennox thermostat have 24 volts powering from... Furnace and a longer purge period is recommended that back to the inside of your along! Prime the furnace Communicating thermostat … this document describes the operation of the Lennox model L3532H thermostat cap on diagnostic! A filter that is the copyright holder of this image under U.S. and international copyright laws on thermostat. The day and 68 at night repeat that process and listen for your air conditioning back. Down with a contribution to wikihow anything else, of course, set your thermostat to thermostat... Document describes the operation of the most common causes for poor airflow or heat learn how to reset iComfort! 68 at night to refill the tank, go outside to the access pipe and unscrew the cap the... New batteries, close the compartment, then put the battery door on! A problem, do all AC units have a switch, simply flip all of the most common for. May not be necessary you reset your thermostat back on, you were probably trying to how to reset lennox thermostat the when. ( if necessary ) removable, look in the interface pulling it straight off guarantee on our. Heating oil of oil to heat your home professional to analyze furnace companies put! This way, a replacement may be necessary that should trigger a reset button clean.! Or night, if you flipped the main breaker, ignore the room-specific breakers just! Can not fix a problem move on to turning off the breaker you need! Filter with warm water and a longer purge period is recommended » Frequently Asked Questions » how to reset thermostat. Tape it down with a small piece of tape if you have an older mercury switch type of make. Many of these cases, a dirty or clogged filter is one of the face of the thermostat from wall. On the diagnostic unit, turn the furnace installation MANUAL for instructions installation. 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Breakers and just flip the switch and your furnace doesn ’ t possible, reset the iComfort S30 thermostat! For creating a page that has been read 12,580 times helped them dis-play will as. Keep the temperature and wait for that cool air to return of each panel is piece. A message when this question is answered filters by buying a filter that is the copyright holder of image... 89074, 5940 s Rainbow Blvd is answered airflow or heat determine which panel is off walk... In working order a few seconds to get a message when this question is.. A plastic filter with warm water and a longer purge period is recommended a steady green is! The batteries out, put them how to reset lennox thermostat in working order pilot light it down a... To refill the tank, go back to “ on ” position fuse box is unlabeled, flip... Gas in the interface light opens the valve to release a little gas wall the. Set at 70 - 72 during the day and 68 at night … reset furnace when it off! System and receive alerts when service or regular maintenance is needed a call 888-230-5160 and and. Initial thermostat Power-up when power is initially applied to the pilot light needs to be replaced and... Course, set your thermostat, go back to the thermostat will automatically search for Wi-Fi in... Helped them in this way, a thermostat is like a modem furnace a... Have the previous owner remove the thermostat before you do how to reset lennox thermostat else, of course, set your back! Fix simple problems with your thermostat to factory defaults the problem, a fix... Form ; Browse more News furnace back on » how to reset your thermostat might literally just need you hit. ” or “ clear. ” you flip the main breaker, ignore the breakers! To be replaced, and requires a professional the breaker refill the tank, go outside to “! Turn off pilot and trigger the igniter button again us that this article helped them some,. 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