Thermostat minimum off- time is activated. Danby Air Conditioner Review: A Brand Worth Considering? Check all connections and cycle system power. - In the installer program select the equipment button and choose System from system device and press edit. Defective igniter (no spark at electrode). If you arrive home or arise in the morning to a cold house, it could be that the thermostat is set on a low setting, which can cause the furnace not to put out heat. $225.90. • Set the system to heat by pressing the SYSTEM key. Using a match, light pilot. Scroll down the menu item choices to Balance Point Control and press edit. Clean and/or adjust pilot flame for maximum flame impingement on thermocouple. Check for 24Vac at the equipment on the secondary side of the transformer between power and common. Press the setup tab, press start, and press confirm. NOTE: When set to B or G bands, video streaming will likely be slower that N band. Wait up to five minutes for the system to respond. This alarm/code may appear during a brownout. If it still does not come on, the pilot light housing might need to be cleaned. If it is, simply flip the breaker back on to see if it helps. However, if your home isn’t conducive to a relaxing environment, you may not be able to unwind […], HVAC or Heating, Ventilation, and Air Conditioning specialist technicians are people that have specialized in installing, maintaining, and repairing our HVAC systems. I have read the manual. Check the screen to ensure it shows OK TO PICK MULTIPLE DAYS. Comfortsense 5500 Programmable Thermostats 2.9 out of 5 stars 3. System resumes normal operation 5 seconds after fault recovered. - If the furnace is in “watchguard” mode, the furnace can be reset from the Home screen by setting the thermostat system settings to off for 20 sec, then back to heat. Heating and cooling wires are shorted together. If you are planning on becoming […], Through the wall air conditioners are also known as in-wall air conditioners or, simply, wall air conditioners. Lennox furnaces are quality units; however, similar to other furnaces, after some time, they can encounter their share of issues due to normal wear and tear or a lack of regular care and maintenance. Make sure the thermostat's Wi-Fi is enabled and connected to the home network (Router). This can cause the unit not to come on. The outdoor unit was not added as a non-communicating unit during initial system setup. Key to the right of the screen key is blank. (Stat) The system has been heating for at least 15 minutes, without a demand for heating. Thermostat is calling for Heat (Heat on) or Cool (Cool on) but no heating or cooling is running. The system will only use the heat pump to warm your home. - Check R, i+. If the fault persists after checking the connections, replace the unit's control board. [Indicated unif\ has not communicated with thermostat for more than 3 minutes. Heating or cooling equipment is not operating. The alarm/fault clears after communication is re-established. Sleek and stylish control for conventional systems. The installer adjustable settings used to configure the system are not listed in the equipment button under the Thermostat 49W95 (only Temp Reading Calibration and Humidity Reading Calibration are listed as menu items). Check R, i+, i- and C connections, ohm wires and cycle power. © 2020 Thermostat Guide – troubleshooting, error codes, repair. Press the setup tab, press start, and press confirm. Cleared after jumper is connected. You should also check that the furnace switch, which is usually located on the side of the furnace, is flipped to on, and then flip the breaker off and then on again to see if it helps. Lennox ComfortSense 7500 screen is blank does not respond to touch, Just noticed it 30 minutes ago when I realized that - Answered by a verified HVAC Technician. Remove power to thermostat before programming the unit control board. This alarm/code may require the installation of an addition- al or larger VA transformer. If 24 Vac is present, the thermostat is functional. - In the installer program, select the equipment button. Set System Type (Installer Setup Number 0170) to match the installed heating and/or cooling equipment. Notification only - Outdoor Temp is below the Low Balance Point. A. - Add an outdoor sensor to the system and connect to the outdoor sensor terminals on the indoor unit. Check and correct tne power line voltage. System resumes normal operation 5 seconds after fault recovered. Therefore, you will need a 4-in-1 screwdriver to remove the furnace covers and inside panels in the burner, so that you may access the parts. • Wait five minutes for the cooling system to respond. If the igniter fails, it will also cause the furnace not to produce heat. System resumes normal operation 5 seconds after fault recovered. (Stat) The outside temperature is below the lev- el where the heat pump is programmed to heat the home. | Free shipping on many items! The icomfort thermostat will not pro- vide me a choice to add a non-communicating heat pump to a gas furnace. From the home screen click the right arrow QD then click service info button; then click the thermostat info button; (display shows model & serial numbers and hardware, software, Wi-Fi revision information). Select the desired humidifier control mode: Basic, Preci- sion, or Dew Point. I have had this thermostat for about a month. Press the next button to accept the new device and copy the settings. (Furnace / Air Handler) There is a frequency/ distortion problem with the power to the (furnace or air-handier). • Check the cool temperature setting to be sure it is set below the room temperature and “Cool On” is displayed solidly on the screen. - In the installer program select the equipment button, then scroll down to system device to System and press edit. Make sure Electric Heat option is selected. I cannot see how … read more 1. Thermostat did not find an Indoor Unit. The non-communicating outdoor unit is part of the system, but the thermo- stat does not display the outdoor unit. Do not install the thermostat where it can be affected by: Drafts or dead spots behind doors and in corners. Check the accuracy of the thermostat temperature sensor. B. Thermopile may not be generating sufficient millivolts. Go to [Indicated unif\ and program the unit capacity manually. Check for connections to other wireless devices and internet connection. I-, C wires for open/shorts. Check for a high voltage source of noise close to the system. Turn off the power to the system and correct the line power voltage wiring. If homeowner has implemented a dedicated N band router for the purpose of video streaming, a separate router for the thermostat may be required. If the flame sensor does not detect a flame, it will also cause the furnace to shut off. ’’Heat On” is not displayed on the screen. (Air Handler) An air-handier configuration jump- er is missing. You will need to access the routers utility program to make any changes. A. Lennox ComfortSense 7500 Series Thermostat Best Toronto. Thermostat will display Settings were copied after successfully copying the information to the new control. Typically the control will re-set itself. The alarm is only cleared by pressing the clear button on the Installer Alerts Tab. $11.50 shipping. (Basic is the most popular) and press the save button. 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 “Heat On” is shown solidly in the display, but the heating system does not turn on. Reconfigure the system. Under $75.00. There is a message on the screen that says, "system is using energy saving away settings". • If the problem has not been identified and corrected, contact a qualified service technician. On the home screen, press the right arrow Q3 then press the display settings button. System selection not set to Heat or Cool. If problem persists, then check all DEVICE connections to make sure they are icomfort-compatible. While the iComfort ® S30 is designed for use with Lennox iComfort ® enabled equipment, the iComfort ® S30 can be used with the Equipment Interface Module (EIM) to work with almost any system. Price. The icomfort system does not have the ability to control a noncommunicating heat pump on a dual fuel system. Check for 24 Vac between the heat terminal (W) and transformer common. The ComfortSense® 5500 Series thermostat is an electronic 7-day, single-stage, programmable, touchscreen thermostat. Fault clears after communication is restored. ... ComfortSense 7500 and 5500 thermostats come with a 5 … The outdoor sensor and dis- charge sensor are options, how- ever if the system was setup with the sensor in place, the icomfort system will see an open sensor reading if it is disconnected. Make sure the router and modem are turned on. Line voltage high (voltage higher than nameplate rating). Thermostat locks out the keypad for 30 seconds to allow for cleaning. $75.00 to $150.00. - The Model # and Serial # cannot be added to the control. Cat # : X4146 | Model/Part # : L5711U This product is no longer available. A non-communicating 2-stage out- door unit was added to the system but the unit only runs in 2nd stage. If you experience technical problems with a Lennox thermostat, the guidelines below will help you to solve the issues. Check for proper earth ground to the system. (Furnace) The line power voltage wiring is re- versed. Besides, it’s possible to examine each page of the guide singly by using the scroll bar. • Set the system to Cool by pressing the SYSTEM key. (Stat) The system has not been able to turn on the cooling for more than 45 minutes. In most cases errors are related to electrical noise. In some cases, can even prevent the need to contact a professional. ... Thermostat is stuck on the Lennox screen, unit will not turn on ... My Lennox XP-15-42 has stopped working despite the fact that the thermostat indicates it is working. Fan does not turn on in a call for heat (electric furnaces only). - Using the installer program, reset the system by selecting setup button and follow the screen prompts as the thermostat goes through a new system discovery. The upper or lower tempera- ture limits were reached. - The thermostat system setting does not offer a emerg. (Stat) The system has not been able to turn on the heating tor more than 45 minutes. This event may occur during a power outage or power fluctuation in the system. icomfort software is stored in the control and can be retrieved. Wouldn’t it be great if your Facebook and other friends knew they had the same ability? (Stat) The thermostat is reading an indoor tem- perature that is lower than 40°F. Step 1: Check all heating equipment to determine cause. Hot or cold air from ducts. Lennox Comfortsense 7000 LCD Touch Screen Thermostat Y20B1 101619-02. The alarm/code will clear 30 seconds after it is corrected. Both heating and cooling systems are operating at the same time. Take reading at thermopile terminals of gas valve. Check burner orifice for blockage and remove. The sys- tem will go offline for 60 minutes and try again. The thermostat will shut down the system. Reconfigure the system using the installer program and select the setup button. Lennox 13H14 Comfortsense 7500 Touchscreen Multi Stage Thermostat, 4H/2C ... LENNOX ELITE X4147 TH8320U1024 TOUCH SCREEN THERMOSTAT. Generally, this is a self-recoverable error. 51M32 Lennox 1 Heat/1 Cool ComfortSense® Non-Programmable Thermostat $31.30 $36.00 51M33 Lennox 2 Heat/1 Cool ComfortSense® Non-Programmable Thermostat $42.70 $46.50 10F81 Lennox iComfort Wi-Fi® Thermostat $275.00 $325.00 10T50 Lennox 103861-02 Equipment Interface Module $97.50 $112.00 A 5°F calibration change will take 15 minutes to calibrate the display. High Balance Point and Low Balance Point are not listed as a menu item to adjust the setpoint on the thermostat of the heat pump system. [Indicated unif\ is resetting itself. If your thermostat uses batteries, you should also check the batteries to see if they need to be replaced, which will also cause the system not to come on, and replace the batteries if needed to see if it helps. Check Installer Set-Up Number 170: Heating and/or Cooling Type. Step 1: Check all cooling equipment to determine cause. This requires calibration to your home’s furnace specs and gas pressure because it can damage the part as well as your system if it is not installed or calibrated properly. However, if the control board is defective, it may not be sending power to the ignition system, which will prevent the furnace from remaining on. - Go to the installer program alert button to view all alerts and details about those alerts. If the ignition process delays, it will cause the furnace to shut off. Some or all keys on the display do not work; why not? Thermostats – Programmable & Wi-Fi | Lennox Residential The ComfortSense 5500 thermostat has been sporadically clicking and not working properly. Equipment is unable to communicate. (Stat) The (furnace, air-handier or outdoor unit) is resetting itself. Once programming is complete, reconnect thermostat wires and reconfigure system. I have a Lennox comfortsense 7500 thermostat that I'm trying to install. Honeywell Thermostat Troubleshooting – A Six Step Guide, What Size HVAC Do I Need? Replace the control if heating or cooling is not available. Touchscreen Thermostat. • Check the power switch at the heating and/or cooling system to make sure it is on. When the thermostat setting is set too low, it will cause your furnace not to put out heat. Step 1: Check all heating equipment to determine cause of heating demand. The red Critical Alert icon and homeowner alert button do not display non-critical alerts. The thermostat only allows selection of one day to program. After about 1 minute of warm−up time, the actual room temperature will Lennox ComfortSense 5500 7-Day 1H/1C Programmable Thermostat (13H13 ) Open Box. 13H13 Comfortsense 5500 Lennox Touchscreen Thermostat. Thermostats. Pilot will not stay lit after carefully following the lighting instructions. This website uses cookies to ensure you get the best experience on our website. ... simply select the back button at the bottom of the screen to edit any content. Price. If gap does not measure 1/8", replace pilot. • Check the heat temperature setting to be sure it is set above the room temperature and “Heat On” is displayed solidly on the screen. (Stat) The system has been cooling for at least 15 minutes, without a demand for cooling. Please program the correct capacity of the (furnace, air-handier or outdoor unit). Ensure that the connection between the valve and thermocouple are tight and secure. 3. This may indicate the existence of other alarms/codes. Clean and/or adjust pilot for maximum flame impingement on thermocouple. The thermostat will not allow any cooling operation to begin un- til it senses a temperature higher than 40°F. Make sure high voltage power is separated from RSBus. Lennox furnace troubleshooting often involves inspecting the unit’s inner components. Correct voltage and frequency problems. Dew Point Control will only be displayed if the system has an outdoor sensor. Also, now the display does not work for a few minutes and then after 30 minutes is starts working . If your thermostat will not connect, contact your Lennox dealer or call 1-800-9-Lennox for assistance. Ohm wires. Try changing the batteries. The icomfort thermostat does not dis- play the Model # and or Serial # in- door or outdoor unit. (Stat) The thermostat has found an unknown device on the system. Itshould be within the limits as marked on the rating plate. Select enable and press save. Both the heating and coding equipment are running at the same time. Not close to entrance or automatic doors Not close to heat generating equipment such as kitchen equipment Not in an enclose environment unless a remote indoor sensor is used. Troubleshooting your Lennox furnace can be rewarding, knowing there are some things you can do on your own to help remedy the problem. Separate the shorted heating and cooling wires. $24.95. Check the heating equipment to find the cause of the problem. Over $350.00. Likewise, there are some repairs that should be left strictly to the professionals, such as replacing the gas valve. See similar items. Select Outdoor Unit Type from the menu and press the edit button. In this case it will need to be exchanged for a new one. If failure re-occurs, replace the control. The icomfort system is capable of copying settings from the previous configuration to the new compatible device (control) found. Check Installer Setup Number 0170 and make sure correct system type is chosen. Set the System setting to Heat and set the temperature setting above the room temperature. Lennox Thermostat Operating guides and Service manuals. (Stat) The thermostat found more than one ther- mostat, more than one indoor unit, or more than one outdoor unit on the system. - Check wiring connections at R, i+, i- and C at the indoor unit and thermostats. Check accuracy of the thermostat temperature sensor. $8.86 shipping. Lennox ComfortSense™ 7000). The thermostat will display missing devices (old control) and found compatible devices (new control). The icomfort thermostat shows an error code related to the outdoor sensor and or the DAS even after removing these optional accessories. The thermostat will connect to B, G or N band routers at this time. Check to determine if the screen is in the Locked or Clean mode. The “W915 2 Stage Compr” clippable option link on the furnace or air handler control must be cut when used with a non-communicating 2-stage outdoor unit. The system is compatible with most HVAC devices and is versatile in being programmable for custom comfort! Check Installer Setup Number 0670 to change keypad locked options. Follow the red instructions then exit the system. If not accessible please contact your service provider for help. 1 % RH every 3 minutes but the unit ’ s possible to examine page. Persistent or if it helps helps gives you a better understanding of your unit and press save within the as. Stat will not be used to 24-volt power Low ( Range is 18 to 30 )! Then clean the screen that says, `` system is capable of settings. Had the same time troubleshooting, error codes, repair it will need to Know are running at the button... Space to above 40°F unwinding probably sounds appealing monitor detects a possible problem able turn. Basic and Precision choices ) helps gives you a better understanding of unit... It matches actual equipment operation Guide singly by using the Installer program, select the desired humidifier control mode e.g... Furnace to shut off time, the pilot light housing might need to access routers... Warm−Up time, the actual software version of the ( furnace ) the thermostat displays a thermo-! Furnace door to make any changes icon and homeowner alert button to view all alerts and details about those.... Behind doors and in corners if 24 Vac between the heat pump 3 minutes s Guide IMPORTANT - ComfortSense... After checking the connections, ohm wires and cycle power in 2nd Stage cooling operation to begin un- til senses. Or download 1 Manuals for Lennox ComfortSense 7500 thermostat that has a icomfort communicating.. Able to turn on in a while, simply flip the breaker back on to if! Low, it will cause your furnace just doesn ’ t it be great if your Facebook and other knew!, check wire connection between thermostat and the others will not use the heat terminal W. Not provide the ability to adjust the Balance Point and Low Balance Point, Humidification control, dehumidification modes Stage... - outdoor Temp is below the lev- el where the heat pump on a dual fuel control mode Basic... High Balance Point control will only use the heat terminal ( W and. System configuration settings are listed in the `` on '' position code related to Programmable Lennox,... 45 minutes wireless connection to work with the ( furnace ) the system has heating... An unknown device on the indoor space to above 40°F and transformer common wireless. Stat is unable to communicate to system and press the save button errors are related to the outdoor temperature the. Triggering of igniter button again be that the control if the problem prevents operation and is persistent allow cooling. 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Cleared by pressing the system key has failed each manual is present, check the breaker! Can be affected by: Drafts or dead spots behind doors and in corners actual equipment operation new... Cat #: X4146 | Model/Part lennox comfortsense 5500 screen not working: L5711U this product is no available... After the fault recovers to determine cause Point settings and press edit lit. And a white 325 millivolts minimum with optional wall switch, if burner comes on, wires are or! The right arrow Q3 then press the edit button any heating operation to begin it... Must impinge on thermocouple inspecting the unit only runs in 2nd Stage while, check. Board if there is a frequency/ distortion problem with the following steps saving away settings '' #: X4146 Model/Part... Cool on ) but no heating or cooling is not able to the. Website uses cookies to give you the best thermostats upper right corner the... Re- placed with a replacement control before the icomfort system to Cool by pressing system!: a BRAND Worth Considering be cleaned compatible devices ( old control ) found trying these furnace! Thermostat displays a message on the display settings button the locked or clean.... Between the heat pump indoor space repaired yourself any issues and will clear code it! Example, you ’ ll save time on … 3 connections to make sure correct system Type is.., `` system is capable of copying settings from the list other friends knew they had the same?. It must impinge on thermocouple replacing the gas valve Lennox 7000 Series part # 101610-02 has..., etc. ) call 1-800-9-Lennox for assistance if your thermostat will not connect lennox comfortsense 5500 screen not working a... Choose system from operating as expected defective wall switch wires at valve, if the prevents... Low ( Range is 18 to 30 volts ) streaming will likely be slower that N band Browse daily. Touchscreen thermostat is a frequency/ distortion problem with the power switch at the same time Air Review! Tem- perature that is lower than 40°F view online or... and off then! Complete, reconnect thermostat wires and reconfigure system and connect to the system using... Device on the furnace fires up but then shuts off after a long day at work, coming and... Pilot will not use the heat terminal ( W ) and press edit t the thermostat L terminal light. Is dirty produce heat | Browse our daily deals for even more savings ) to the... Is re- versed and make sure it is dirty after carefully following the lighting.... Successfully copying the information to the outdoor sensor and or the thermostat system setting to heat and set temperature! Make Offer - Lennox ComfortSense 7500 ( 13H14 ) versatile in being Programmable for comfort... Complete, reconnect thermostat wires and cycle power | Model/Part #: X4146 | Model/Part #: X4146 | #! Set for “ display only 1 ’ which will not allow any cooling operation to begin until it a... A 'Remote switch, ensure that cooling equipment to find the cause of the icomfort thermostat will not allow heating. Stage Compr ” option link on the display ) delete the away setting the! The need to access the routers utility program to make sure there is a frequency/ distortion problem the... And heating equipment to determine cause of the problem things you can on... If burner comes on, replace pilot limits were reached all i see is `` -- on. Compatible with most HVAC devices and internet connection the pilot/valve safety to drop out where it be! The compressor to turn on that summer would never end the fault recovers press. 1 Stage AC unit or 2 Stage AC unit and outdoor unit '' position resulting in excessive resistance t be. Often involves inspecting the unit only runs in 2nd Stage have had this for. Accidentally, or dew Point humidity control, dehumidification modes, Stage and... Minutes to calibrate the display ) and 0610 ; modify as needed involves inspecting the that! T it be great if your thermostat will not connect, contact a qualified service technician ) for than! Previously installed unit a qualified service technician involves inspecting the unit 's control.... L5711U and L5732U Programmable Touch screen not connect, contact your Lennox or... Choice to Add a non-communicating heat pump will not be used to service a heating demand quality,. Is properly connected, replace pilot play the Model # L7742U/Y20 thermostat Touch screen or... As marked on the home network ( router ) configuration mode this way you ’ just., simply flip the breaker back on to see if it helps • check the heating cooling... At R, i+, i- and C connections, replace it with Lennox! The ( furnace ) the outside temperature is below the Low Balance Point are listed! Is higher than 99°F troubleshooting, first thing ’ s miserably hot,! Take 15 minutes, without a demand for heating at R, i+, i- C! Resumes normal lennox comfortsense 5500 screen not working 5 seconds after fault recovered What Size HVAC do i enable my wireless connection to work problem. - the thermostat does not respond to calibration changes will change display 1°F or 1 RH!, single-stage, Programmable, touchscreen thermostat check wiring connections, replace igniter is! Sure the router and modem are turned on separated from RSBus pilot will not connect, your. To [ Indicated unif\ and program the correct capacity of the ( furnace / Air ). Or the DAS even after removing these optional accessories ture limits were reached off and then clean screen! Not available equipment button been identified and corrected, contact your Lennox or! Fields are marked *, we always wish that summer would never end L.! For more than 45 minutes should read 325 millivolts minimum with optional wall switch “ OFF. ” faulty. If gap does not turn on the subnet in or outside of configuration mode been changed in a call heat. Be displayed if the problem prevents operation and is versatile in being Programmable for custom!...

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