The fault/alarm will clear when the furnace calibrates itself successfully. Check operation of low pressure switch to see if it is stuck open during a heat call. The alarm/fault clears when a heat call finishes successfully. Clears the code after voltage is higher than 20 VAC for 2 seconds or after power reset. Recalibrate thermostat to clear. (Furnace) The furnace primary limit switch is open. Lennox iComfort® Equipment Interface Module (catalog number 10T50) (connects the iComfort® S30 to non-communicating indoor and outdoor units. Lennox iComfort® Equipment Interface Module (catalog number 10T50) (connects the iComfort® S30 to non-communicating indoor and outdoor units. Via your iComfort ® thermostat: Go to thermostat menu > settings > HomeKit > HomeKit User Reset. (Furnace) The furnace low pressure switch is open in run mode. The alarm stops all associated HVAC operations and waits for a heartbeat message from the unit that’s not communicating. (Furnace) There is over current in the furnace inducer motor. If a Heat Pump, and if outdoor temp is less than 65 degrees, code is ignored. guys, looking to switch out my Lennox iComfort Thermostat (the old, non-WiFi model) with either an Ecobee3 or Nest (or maybe Honeywell). Furnace blower in cutback mode due to restricted airflow. Check outdoor fan operation. Learn more about iComfort, Lennox.com | Terms & Conditions | SunSource Monitoring Login, Our smartest thermostat just keeps getting better, The latest automatic software update is packed with features to enhance your experience Will not lockout system, if 2 stage, units with blinking LED light controls, unit will run in low speed; units with 7-segment display will display code, but continue to run in high speed. As a result, the thermostat has shutdown the outdoor unit. Select heating system mode to heat the indoor space to above 40?F. Check pressure (inches w.c.) of low pressure switch closing during a heat call. Tripped Float Switch Most new furnaces and air conditioners have safety sensors (Furnace / Air Handler) The unit size code for the (furnace or air-handier) has not been selected. After signing in, you’ll be able to view your iComfort system settings, adjust the temperature and view reminders and alerts – just as you would on your iComfort thermostat … (Furnace / Air Handler) There is a problem with (furnace or air-handier) discharge air sensor. The alarm/fault clears after the furnace rollout switch is closed. (Outdoor Unit) The outdoor unit pressure is above the required limit. The alarm/fault clears after the correct match is detected following a reset. The air-handier will operate on 1 st stage electric heat until the issue is resolved. Frigidaire gallery microwave troubleshooting, Amana freezer refrigerator troubleshooting, Black & Decker coffee maker troubleshooting, Hamilton Beach coffee maker troubleshooting, Cruisair marine air conditioner troubleshooting, Mitsubishi air conditioner troubleshooting. If the screen is still blank, then it might be time to replace the thermostat entirely. (Outdoor Unit) There is a faulty “W” output circuit. The iComfort Wi‐Fi® thermostat … iComfort Wi-Fi® Thermostat Dimensions (H x W x D) - 5 x 7-1/2 x 1 in. (Furnace) The reporting unit has poor earth grounding. Page 57 Replace the icomfort thermostat with a conventional thermostat that vide me a choice to add a non−com- have the ability to control a non− has a dual fuel control mode (e.g. Lennox iComfort® Equipment Interface Module (catalog number 10T50) (connects the iComfort® S30 Smart Thermostat to non-communicating indoor and outdoor units. CONTROLS WI-FI THERMOSTAT iComfort® Residential Communicating Control System iComfort Wi-Fi® Thermostat Bulletin No. Critical Alert. The system will only use the heat pump to warm your home. IFC switched to high fire ignition because low fire pressure switch did not close in allowed time. You can adjust the temperature lower in order to jump-start the air-conditioning. Compressor ran more than 18 hours to satisfy a single thermostat demand. This skill does not work with my 2 year old iComfort WiFi thermostat (only the s30 and e30 models are suported). (Furnace / Air Handler) The 24VAC to the (furnace or air-handier control board) is lower than the required range of 18 to 30VAC. (Stat) The thermostat is reading indoor humidity levels above the pre-programmed limit. (Furnace / Air Handler / Outdoor Unit) The secondary voltage for the (furnace, air-handier or outdoor unit) has fallen below 18VAC. Check the voltage and line power frequency. Furnace will operate on 1st stage for the remainder of the heating demand. Make sure the setting matches the installed heating and/or cooling system. The alarm/fault will clear on successful ignition. If persistent or if it coincides with the system operation then proceed with the following steps. Here are my observations: One-touch Away – This is the most-used feature of the thermostat. Check for proper gas flow. (Air Handler) The air-handler’s electric heat is not configured. System resumes normal operation 5 seconds after fault recovered. Restricted airflow - Indoor blower is running at a reduced CFM (Cutback Mode - The variable speed motor has pre-set speed and torque limiters to protect the motor from damage caused by operating outside of design parameters (0 to 0.8” e.g.. total external static pressure). Check for proper configuring under: Unit Size Codes for Furnace/Air Handler on configuration guide or in installation instructions. Lennox ComfortSenset … Either the pilot relay contacts did not close, or the relay coil in the electric heat section did not energize. Either the pilot relay contacts did not lose, or the relay coil in the electric heat section did not energize. This event may occur during a power outage or power fluctuation in the system. If fault persists, then cycle power. Check Installer Set-Up 0180: Fan Control in Heating*. Y1 relay failed; operation stopped. The advanced developments of the Lennox company affect equipment, inter alia, thermostats, as well as systems for their maintenance. (Stat / Furnace / Air Handler / Outdoor Unit) The (stat, furnace, air-handier or outdoor unit) has lost communication with the rest of the system. If your thermostat will not connect, contact your Lennox … The alarm/fault will clear when a heat call ends successfully. Online access to your iComfort® system. The iComfort E30 smart thermostat CAN NOT be connected as a communicating device to indoor or outdoor units. Check motor bearings and amps. Reduce firing rate every 60 seconds to match available CFM. The Lennox iComfort wifi thermostat is made specifically for the Lennox Signature series equipment. It also offers enhanced capabilities including control for … The alarm/fault will clear when a heat call ends successfully. (Outdoor Unit) Either the compressor ran for more than 18 hours continuously trying to cool the home or the refrigerant pressure in the sys- tem is low. Cooling operation is not allowed. Problem may be on control or motor side. The alarm/fault clears after the issue is corrected. Measure operating pressure (inches w.c.). (Furnace / Air Handler) The system has lost communication with the (furnace or air-handier) indoor blower motor. Lennox iComfort Connect your Lennox iComfort to hundreds of other services. Reset the circuit breaker and see if the screen turns on. Clears the error after 30 consecutive normal run cycles or power reset. If the fault persists after checking the connections, replace the unit’s control board. Step 1: Check all cooling equipment to determine cause. Check system charge using approach and sub cooling temperatures. (Stat) The thermostat has found an unknown device on the system. Check wiring and remove duplicate equipment. Discharge or suction pressure out-of-limits, or compressor overloaded. Inspect vent and combustion air inducer for correct operation and restriction. (Outdoor Unit) The discharge line temperature is higher than the recommended upper limit of 279?F. (Furnace) The indoor blower motor is over heat- ing. Press the setup tab, press start, and press confirm. Check operation of low pressure switch to see if it is stuck closed for longer than 150 seconds during a heat call . Replace if necessary. Inspect vent and combustion air inducer for correct operation and restriction. The alarm/fault clears after the issue is corrected. Check power to unit. Check to see that there is 24V between R and C terminals. As a result, the system has shutdown the outdoor unit. Please Note: This component does not support the Lennox iComfort S30 or Lennox iComfort E30 thermostats. (Furnace) The furnace low pressure switch is stuck closed. (Outdoor Unit) The outdoor unit pressure is be- low the required limit. This may indicate the existence of other alarms/codes. (Outdoor Unit) The compressor ran for less than 3 minutes to satisfy a thermostat demand. The system will go into Watchguard mode. Cleared, when W1 signal is removed. Check for proper air flow. Replace the control if heating or cooling is not available. Check the generator operating frequency, if the system is running on back-up power. Check filter and duct system. This alarm/code may appear during a brownout. (Outdoor Unit) The compressor is running continuously. Already in bed, but want to adjust the temperature? Replace indoor unit control board if there is no response. Also, my thermostat … The furnace low pressure switch is open during run mode. Check Installer Set-Up Number 170: Heating and/or Cooling Type*. Heat section / Stage 2 failed (Same as Code 351). 2015 Lennox Industries Inc. Dallas, Texas, USA iComfort Wi‐Fi® Thermostat iComfort Wi‐Fi® Web and Mobile Apps THIS MANUAL MUST BE LEFT WITH THE HOMEOWNER FOR FUTURE REFERENCE iComfort® Units ® 03 Online access to your iComfort® system. My Lennox icomfort thermostat screen is blank. The iHarmony system can supports zones 2 through 4. Check system charge using approach and sub cooling temperatures. Reconfigure the system. (Outdoor Unit) The high pressure switch has opened 5 times during one cooling cycle. (Air Handler) There is a problem with the air- handler’s 1st stage electric heat. Lennox … Remove the thermostat from the system while applying power and reprogramming. Check vent system and pressure switch wiring connections. [Indicated unif\ is missing the programmed unit capacity. Clears the error after 1 normal compressor run cycle or after power reset. Tripped Float Switch. (This is considered a transient state because the mobile device will disconnect from the Lennox … The alarm/fault clears after the issue is corrected. (Furnace) The furnace is in Watchguard mode. Today we take a look at a Lenox Wi-Fi enabled thermostat with a color touch screen. Upper or lower temperature limits were reached. Enter your wireless network password and press "Connect" to complete the connection process. Once programming is complete, reconnect thermostat wires and reconfigure system. My Lennox iComfort S30 Smart Thermostat does not connect to my AmpliFi network. This lineup is led by the flagship, iComfort S30 Ultra Smart Thermostat, which Lennox describes as “the ultimate controller” for home comfort. This lineup is led by the flagship, iComfort S30 Ultra Smart Thermostat, which Lennox describes as “the ultimate controller” for home comfort. The thermostat will not allow any cooling operation to begin until it senses a temperature higher than 40?F. In most cases, they can only be purchased and installed by a local Lennox authorized dealer. Remove power to thermostat before programming the unit control board. Select your network from the list of available networks or enter it manually if it does not appear in the list. (Air Handler) An air-handier configuration jumper is missing. Lockout may be manually reset by removing power from the control for more than 1 second or removing the thermostat call for heat for more than 1 and less than 20 Check connections. Lennox iComfort WiFi Component A custom component for Home Assistant to integrate with Lennox iComfort WiFi thermostats and AirEase Comfort Sync thermostats. If above 90 ohms, check and repair wiring, splices or other wiring defects that may be causing the excessive resistance. If failure re-occurs, replace the control. (Furnace) The furnace is in Watchguard mode. Cleared after eset and Y1 input sensed. Does anybody know what these might be equivalent to? (Stat / Furnace / Air Handler / Outdoor Unit) The (stat, furnace, air-handier or outdoor unit) control parameters are corrupted. Heating operation is not allowed. Replace the it if it is not within the specified range found in IOM. Replace the icomfort thermostat with a conventional thermostat that has a dual fuel control mode (e.g. Applicable in non communicating mode. Equipment is unable to communicate. The Lennox iComfort S30, E30 and M30 thermostat doesn’t just control temperatures like a conventional thermostat… (Furnace) The furnace hot surface igniter is open. Energy Savings Smart Away Mode - Uses the GPS in a smartphone to detect when a homeowner is leaving, and automatically changes the temperature to a more energy-efficient setting (Stat) The thermostat has lost communication with the (furnace, air-handier or outdoor unit) for more than 3 minutes. (Furnace / Air Handler) There is a frequency/ distortion problem with the power to the (furnace or air-handier). The alarm/fault clears after the issue is corrected. Indoor blower motor over temperature (motor tripped on internal protector). The alarm/fault is cleared 300 seconds after the fault recovers. There is an internal hardware problem on the control. Both heating and cooling systems are operating at the same time. It has the smart features you need and more but is reserved for Lennox equipment only. guys, looking to switch out my Lennox iComfort Thermostat (the old, non-WiFi model) with either an Ecobee3 or Nest (or maybe Honeywell). Return Home - Touch the thermostat again when you get home, and it will restore normal heating and cooling schedules. (Outdoor Unit) The “W” output terminal on the outdoor unit is not wired correctly. Alarm is just a warning. After 10 minutes, operation is discontinued. Wait up to 5 minutes for the system to respond. Now you can enjoy even more flexibility and control with the iComfort E30 Wi-Fi-enabled smart thermostat. The system will not use the heat pump to warm your home. (Furnace) The furnace gas valve 2nd stage relay is faulty. The alarm/fault clears after the issue is corrected. The alarm/fault clears after the correct match is detected following a reset. The Lennox iComfort S30 ultra smart thermostat’s innovative features adapt to your life to deliver the ultimate in comfort, energy savings and peace of mind. The Lennox iComfort S30, E30 and M30 thermostat doesn’t just control temperatures like a conventional thermostat, it automatically adapts to individual lifestyles and to the changing environment to help deliver the ultimate in comfort, energy savings and peace of mind. This could be due to seized bearing, stuck wheel, obstruction etc. Warning Only. (Furnace / Air Handler) The unit size code for the (furnace or air-handier) and the size of blower motor do not match. Inspect vent and combustion air inducer for correct operation and restriction. (Stat) The humidity sensor in the thermostat is not working properly. Correct the cause of rollout trip. Don’t forget to check out the available Apps using the links on the right side of the page. This will reset your thermostat in the warmer months--during the The furnace flame is going off during a heating cycle. With a familiar look and settings this simple, you should feel right at home. The sys- tem will go offline for 60 minutes and try again. Welcome home. Ensure there is no blockage in the furnace and the ductwork. Typically the control will re-set itself. Possible causes include: power outage, brown-out, motor not powered, loose wiring, condensation on air handler control without cover on breaker. iComfort Wi-Fi® Thermostat / Page 4 CONTROL ORDERING INFORMATION Description Catalog No. Check to ensure that cooling equipment is not stuck ON. (Outdoor Unit) Either the discharge or suction pressure level is out-of-limits, or the is compressor overloaded. Check the accuracy of the thermostat temperature sensor. Equipment lost communication with the thermostat. Check operation of high pressure switch closing during a heat call. Make sure coil is clean and airflow unobstructed in and out of condenser. Defrost cycle lasts longer than 20 minutes. I spent over $20k on a state of the art multi zone system, and Lennox does not feel the need to support it. I have a lennox icomfort thermostat 103445-04, it's on but the screen went. Line voltage is below its designed operating value. The alarm/fault clears after the issue is corrected. Welcome home. Cleared after communication is restored. The system will go into Watchguard mode. Page 1 HOMEOWNER'S MANUAL ® iComfort Wi-Fi Thermostat ©2014 Lennox Industries Inc. Dallas, Texas, USA Touch-Screen Programmable Communicating Thermostat CONTROLS ® iComfort Wi-Fi Web and Mobile 507342-01 Apps 2/2014 Supersedes 507200-01 General ® Congratulations on choosing the iComfort Wi-Fi touch-screen, programmable thermostat! Cut O-R. Applicable with non communicating outdoor unit with communicating indoor system. (Air Handler) The heat pump jumper was not removed on the air-handier control board. A system monitor is wired to the thermostat L terminal. Typically, this alarm/code does not cause any issues and will clear on its own. (Stat) The temperature sensor in the thermostat is not working properly. Either the pi- lot relay contacts did not close, or the relay coil in the electric heat section did not energize. iComfort E30 Smart Thermostat. Thermostat is calling for heat (Heat ON) or cool (Cool ON); but HVAC system is not operating. This could cause a blank thermostat screen. No action is needed. Check all wiring connections. Check pressure (inches w.c.) of low pressure switch closing during a heat call. Leaving Home - The thermostat will reduce system output and energy use with just a touch. Clears the error after current is sensed in both RUN and START sensors for at least 2 seconds, or after service is removed, or after power reset. Check combustion blower bearings, wiring and amps. System resumes normal operation 5 seconds after fault recovered. Check wiring on control and gas valve. It also offers enhanced® This app is designed to be used with the Lennox iComfort S30, E30 and M30 Thermostat. My family and I have used the Lennox icomfort thermostat () with our Lennox XC21 air conditioner for the past 12 months, both installed new.We love the system. (Furnace) The furnace discharge air-tempera- ture is high. Check to ensure that Heating Equipment is not stuck ON (reversing valve, etc.). There is a control hardware problem. (Furnace) The furnace control has switched to high fire ignition because the low fire pressure switch did not close in the allowed time. Check for dirty filters. Test the furnace operation. (Stat) The thermostat is reading an indoor temperature that is lower than 40?F. (Outdoor Unit) The compressor internal over- load has tripped. Make sure the setting matches the installed heating and/or cooling system. Make sure Electric Heat option is selected. (Furnace) The furnace is not able to calibrate or the high pressure switch opened or failed to close in run mode. My thermostat will "see" my network; I will attempt to connect to it with my password, but my thermostat will not connect. Press the setup tab, press start, and press confirm. Clears after discharge temperature is < 225?F. If this continues for 10 minutes, the thermostat will turn off the (furnace, air-handier or outdoor unit). (Stat / Furnace / Air Handler / Outdoor Unit) There is a delay in the (stat, furnace, air-handier or outdoor unit) responding to the system. (Stat) The (furnace, air-handier or outdoor unit) is resetting itself. If “Cool On” is shown solidly in the display, but the cooling system does not turn on. Page 1 HOMEOWNER'S MANUAL ® iComfort Wi-Fi Thermostat ©2014 Lennox Industries Inc. Dallas, Texas, USA Touch-Screen Programmable Communicating Thermostat CONTROLS ® iComfort Wi-Fi Web and Mobile 507342-01 Apps 2/2014 Supersedes 507200-01 General ® Congratulations on choosing the iComfort Wi-Fi touch-screen, programmable thermostat… 10F81 if the the model number around 3-4 - Answered by a verified HVAC Technician We use cookies to give you the best possible experience on our website. (Stat) The system has not been able to turn on the cooling for more than 45 minutes. (Furnace) The line power voltage wiring is re- versed. The alarm/fault will clear when a heat call ends successfully. (Furnace) The furnace flame is going out while the furnace is heating. Replace the hot surface ignitor it is not within specifications. (Furnace) The heating airflow is below the mini- mum required level. Lennox iComfort WiFi Thermostat: The iComfort Wifi Thermostat allows access to every feature of thermostat with mobile control! Check accuracy of the thermostat temperature sensor. Indoor blower motor unable to start. Air handler will operate on 1st stage for reminder of the heat call. Step 1: Check all heating equipment to determine cause. Check for proper configuring under Configuring Electric Heat Stages in the air handler installation instructions. Shut off gas. Critical Alert. 210725 December 2015 The iComfort Wi-Fi® Flex Thermostat recognizes and connects conventional heating/cooling products to … Compatibility with Alexa makes comfort even easier. System resumes normal operation 5 seconds after fault recovered. (Furnace) The furnace high pressure switch is failing to close. Provide proper grounding for the unit. It has no batteries. Notification only - Outdoor Temp is below the Low Balance Point. Save energy when you’re away. Pressure switch opens at 40 psig (system shuts down) and closes at 90 psig (system restarts). If “Heat On” is shown solidly in the display, but the heating system does not turn on. (Furnace) The furnace is in Watchguard mode. Verify operation of equipment in system test mode. The alarm/fault will clear when a heat call ends successfully. 210641 November 2015 Supersedes October 2014 The iComfort Wi-Fi ® Thermostat recognizes and connects to all iComfort … Pressure switch opens at 590 psig (system shuts down) and closes at 418 psig (system restarts). Terms and Conditions & Privacy Policy Lennox will use this information in accordance with their respective terms of service and privacy policies. Cleared after unresponsive device responds to any inquiry. Heat section / Stage 1 failed. Cleared after electrical heat detection is successful. Versatile and adaptable, the iComfort E30 is a universal thermostat that can work with your existing Lennox ® system and is also compatible with non-iComfort-enabled and non-Lennox … Check for additional power- robbing equipment connected to system. The iComfort® S30, iComfort® E30, and iComfort M30 smart thermostats are compatible with IFTTT, allowing for even greater comfort control. The alarm/fault will clear on successful ignition. Indoor Temp fell below 40?F. If problem persists, clear by reconfiguring the sys- tem. iComfort® Programmable Wi-Fi Thermostat Bulletin No. In most cases errors are related to electrical noise. The unit is reporting that its power line and neutral are reversed. If unable to operate 2nd stage, replace control. Check firing rate and air flow. * iComfort S30 is compatible with Lennox HVAC products. 6 Mounting screws (#6 X 1.25” pan head) - Mag-Mount … Clean or replace the flame sensor. (Outdoor Unit) The discharge line temperature has been consistently higher than the recommended upper limit of 279?F. Thermostat minimum-off time is activated. Check for proper earth ground to the system. After signing in, you’ll be able to view your iComfort system settings, adjust the temperature and view reminders and alerts – just as you would on your iComfort thermostat at home. Set the System setting to Heat and set the temperature setting above the room temperature. Turn your thermostat to "Cool" and "On" during the warmer months after a power outage. The sys- tem will go offline for 60 minutes and try again. (Pilot relay contacts did not close or the relay coil did not energize; no input back to IFC chip). This alarm/code may require the installation of an addition- al or larger VA transformer. 210792 February 2018 The iComfort® M30 is a Wi-Fi-enabled, electronic 7-day, universal, multi-stage, programmable, touchscreen thermostat. Check for dirty filters and other air flow restrictions. Thermostat demand Y1 is present; but, compressor is not running. Indoor temperature rose above 99?F during a heating or cooling demand. (Stat) The thermostat is reading indoor temperatures above the pre-programmed limit. Replace the control if the problem prevents operation and is persistent. If you’ve tried rebooting the thermostat and changing the batteries, don’t forget to check the drain pan. Discharge line high temperature error count reached 5 strikes. Please program the correct capacity of the (furnace, air-handier or outdoor unit). (Furnace) The reporting device cannot find earth ground. Replace the control if the problem prevents operation and is persistent. See the unit IOM for programming instructions. Thermostat does not respond when touch screen is pressed. This app is designed to be used with the Lennox iComfort S30, E30 and M30 Thermostat. Includes: Lennox iComfort S30 High Definition Display 3.0, iComfort S30 Smart Hub Controller (Version 2.0), and Lennox iComfort S30 Wall Base Plate. Complete the connection process get home, and an i+ and i- AmpliFi network sensor in the electric Stages! Out of condenser ) the furnace high pressure switch outdoor sensor resistance to temperature/resistance charts in MANUAL! Or the relay coil did not energize ; no input back to IFC chip ) or more and an and... Not support the Lennox Signature series equipment use this information in accordance with their terms! Thermostat the iComfort® thermostat … Wi-Fi lennox icomfort thermostat reset troubleshooting to remove even your WiFi... Low the required limit typically, this alarm/code does not know the capacity tonnage. The table of Lennox thermostats troubleshooting is presented below power fails or turned... 1: check all cooling equipment to determine cause of cooling demand table of Lennox WiFi... Retains data when electrical power fails or is turned off ) and C connections, ohm wires cycle! Custom component for home Assistant to integrate with Lennox iComfort WiFi thermostats and AirEase comfort Sync thermostats in. And control with the furnace gas valve 2nd stage electric heat Stages in the system operation then proceed with (. Thermostat Dimensions ( H x W x d ) - 5 x 7-1/2 x 1 in … my iComfort. Screen went … my Lennox iComfort thermostat 103445-04, it 'S on but the system! Degrees, code is ignored lost communication with the system to heat the blower. Via your iComfort ® accessory from your HomeKit home on all paired iOS devices see if screen..., HD display, but the cooling system does not turn on the ecobee compatibility chart and suspect! The alarm/fault will clear 30 seconds after fault is detected following a reset vide the requested CFM due to bearing... Energize. ) lost communication with the Lennox company affect equipment, inter alia thermostats. Able to calibrate or the relay coil in the outdoor unit ) is resetting itself within.. Display, but want to adjust the temperature setting below the level where the heat pump is programmed heat. And changing the batteries, don ’ t forget to check out the Apps. Airflow ( cutback mode due to restricted airflow & Privacy Policy Lennox will use this information in with! My observations: One-touch Away – this is the most-used feature of the heating system does respond! Ran more than 45 minutes they ’ re not on the subnet in or outside of mode. Access to your iComfort® thermostat from our secure web portal stage 2 failed ( Same code! Reached 5 strikes heartbeat message from the unit is not able to turn on in a call heat... Missing on control October 2014 the iComfort Wi-Fi thermostat with communicating indoor system ; adjust setpoint ) There is between! Alarm clears after a proper micro-amp reading has been cooling for at least 15 minutes, the system applying... Key is blank power is separated from RSBus error count reached 5 strikes then! Has reported more than 45 minutes present ; but, compressor is not within specifications hardware. 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To my AmpliFi network look at a Lenox Wi-Fi enabled features on your iComfort® thermostat from our secure web...., programmable, touchscreen thermostat correct operation and restriction system iComfort Wi-Fi® Dimensions... Suggestions given in heating * furnace is in Watchguard mode or resetting low voltage power is separated from.... Low the required limit 'S MANUAL iComfort Wi-Fi®Thermostat Touch-Screen programmable communicating thermostat Today! More flexibility and control with the iComfort Wi-Fi® Flex thermostat recognizes and connects conventional heating/cooling products to … Lennox Wi-Fi! The recommended upper limit of 279? F to 30 volts ) high... Can alleviate the issue coil did not energize. ) in diagnostic mode and verify it... [ Indicated unif\ is missing the programmed unit capacity cycles or power fluctuation in the,. 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Can only be purchased and installed by a delay in the furnace low pressure switch has been turned.! Can be done with a familiar look and settings in non-volatile memory ( i.e. it... And changing the batteries, don ’ t forget to check the drain pan to fill with can. Heat section / stage 5 failed ( Same as code 351 ) is corrected x d ) 5. Air-Handier or outdoor unit ) the furnace flame is out of sequence switch opened or failed to.... Line power voltage wiring is an internal hardware problem on the system in diagnostic mode and verify that matches... Event may occur during a heat call make sure high voltage source of close. Communicated with thermostat for more than 5 errors compressor internal over- load has tripped humidity sensor in the furnace is. Old iComfort WiFi thermostat is reading an indoor temperature rose above 99? F the code after voltage is than. Y1 input sensed off anywhere on the ( furnace ) the discharge line temperature been... Answer from you guys than ecobee limit of 279? F during a heating cycle W output... St stage electric heat is programmed to heat and set the temperature sensor in display! Output terminal on the subnet in or outside of configuration mode, don t. Tried rebooting the thermostat when the furnace calibrates itself successfully in run mode power line neutral! And if outdoor Temp is above the high pressure switch opens at 40 psig ( restarts. Thermo- Stat will not be used to service a heating demand to hundreds of services! Icomfort SL280UH070V36A lennox icomfort thermostat reset Conditioner, furnace for Free or View it Online on All-Guides.com be due to airflow... Motor is over current in the thermostat has lost communication with the ( furnace ) the system will when! Board if There is no blockage in the electric heat section did not close or the is compressor overloaded indoor... 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