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20 Jan 2021

(Outdoor Unit) The high pressure switch has opened 5 times during one cooling cycle. A system monitor is wired to the thermostat L terminal. Equipment is unable to communicate. Check R, i+, i- and C connections, ohm wires and cycle power. Inspect vent and combustion air inducer for correct operation and restriction. The alarm/fault will clear when a heat call ends successfully. This alarm/code may indicate transformer overloading. Most new furnaces and air conditioners have safety sensors, sometimes called a float switch, wired to the thermostat… If this continues for 10 minutes, the thermostat will turn off the (furnace, air-handier or outdoor unit). (Air Handler) An air-handier configuration jumper is missing. Ohm wires. Y1 relay failed; operation stopped. Replace the control if heating or cooling is not available. Clean or replace the flame sensor. Indoor blower motor unable to start. (Stat) The thermostat is reading indoor humidity levels above the pre-programmed limit. Reset by putting outdoor unit control in test mode or resetting low voltage power. Smart Away - Uses the iComfort® Thermostat and user I have reset the ac and furnace at the box....any - Answered by a verified HVAC Technician The system will go into Watchguard mode. (Furnace / Outdoor Unit) There is an internal communication problem with the (furnace control board, air-handier control board or outdoor unit control board). Fault clears after communication is restored. The air-handier will operate on 1 st stage electric heat until the issue is resolved. (Stat / Furnace / Air Handler / Outdoor Unit) The (stat, furnace, air-handier or outdoor unit) has lost communication with the rest of the system. Check blower performance. Check for miswired and/or loose connections between the stat, indoor unit and outdoor unit. Don’t forget to check out the available Apps using the links on the right side of the page. Check system charge using approach and sub cooling temperatures. (Furnace / Air Handler) The unit size code for the (furnace or air-handier) has not been selected. If problem persists, then check all DEVICE connections to make sure they are icomfortompatible. Check motor bearings and amps. Tripped Float Switch. Everything for service of consumers! If fault persists, then cycle power. Lennox really needs to fix this, whether it is an icomfort thermostat hardware/software issue or I need to change my network configuration with setup information provided by Lennox. Replace the it if it is not within the specified range found in IOM. Solving simple problems related to programmable Lennox thermostats, such as Lennox… Step 1: Check all heating equipment to determine cause of heating demand. The alarm/fault clears after blower demand is satisfied. Fixing the problems that caused your AC drain pan to fill with water can alleviate the issue. The alarm/fault clears after communication is re-established. Reset the circuit breaker and see if the screen turns on. Check filter and duct system. Mea- sure voltage of neutral to ground to ensure good unit ground. (Air Handler) There is a problem with the air- handler’s 2nd stage electric heat. Incorrect appliance unit size code selected. This may indicate the existence of other alarms/codes. The alarm/fault will clear on successful ignition. CONTROLS WI-FI THERMOSTAT iComfort® Residential Communicating Control System iComfort Wi-Fi® Thermostat Bulletin No. If you’ve tried rebooting the thermostat and changing the batteries, don’t forget to check the drain pan. It has Check Installer Set-Up Number 170: Heating and/or Cooling Type*. (Furnace) The furnace low pressure switch is open in run mode. (Stat) The system has been cooling for at least 15 minutes, without a demand for cooling. Cut O-R. Applicable with non communicating outdoor unit with communicating indoor system. Ensure that igniter is lighting burner. Configuration link(s) not removed on control. Check the drain trap for blockage. I have a lennox icomfort thermostat 103445-04, it's on but the screen went. Wait up to five minutes for the compressor to turn on. Return Home - Touch the thermostat again when you get home, and it will restore normal heating and cooling schedules. Clears after discharge temperature is < 225?F. (Stat / Furnace / Air Handler / Outdoor Unit) The thermostat has lost communication with the (furnace, air-handier or outdoor unit) for more than 3 minutes. (Furnace) The furnace flame is out of sequence. The alarm/fault will clear when a heat call ends successfully. The sys- tem will go offline for 60 minutes and try again. Replace motor or wheel if assembly does not operate or meet performance standards. It has no batteries. (Furnace / Air Handler) There is a frequency/ distortion problem with the power to the (furnace or air-handier). Check operation of low pressure switch to see if it is stuck open during a heat call. Select your network from the list of available networks or enter it manually if it does not appear in the list. If problem persists, clear by reconfiguring the sys- tem. The system will shut down. 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 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 The alarm/fault will clear after the issue is corrected. Possible causes include: power outage, brown-out, motor not powered, loose wiring, condensation on air handler control without cover on breaker. 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. Recalibrate thermostat to clear. As a result, the thermostat has shutdown the outdoor unit. As a result, the system has shutdown the outdoor unit. (Air Handler) There is a problem with the air- handler’s 1st stage electric heat. In particular, the table of Lennox thermostats troubleshooting is presented below. Indoor Unit (furnace or air-handier) will not be used to service a heating demand. Cleared after communication is restored. In most cases, they can only be purchased and installed by a local Lennox authorized dealer. This app is designed to be used with the Lennox iComfort S30, E30 and M30 Thermostat. Welcome home. The system will go into Watchguard mode. Y1 relay / Stage 1 failed. Generally, this is a self-recoverable error. Thermostat does not respond when touch screen is pressed. (Furnace / Air Handler) The (furnace or air-han- dler) indoor blower motor will not start. Only conventional 24VAC wiring to indoor and outdoor units is supported. If you wish to remove even your thermostat WiFi settings (WAC) you can choose “ HomeKit Factory Reset ”. If the screen is still blank, then it might be time to replace the thermostat entirely. The alarm/fault clears after the furnace rollout switch is closed. (Air Handler) The air-handler’s electric heat is not configured. This alarm/code may require the installation of an addition- al or larger VA transformer. Make sure high voltage power is separated from RSBus. Check for gas valve leak. Test the furnace operation. The system will go into Watchguard mode. Lennox iComfort WiFi Component A custom component for Home Assistant to integrate with Lennox iComfort WiFi thermostats and AirEase Comfort Sync thermostats. The furnace flame is going off during a heating cycle. Here are my observations: One-touch Away – This is the most-used feature of the thermostat. The air-handier will operate on 1 st stage electric heat until the issue is resolved. The system will not use the heat pump to warm your home. (Furnace) The indoor blower motor is over heat- ing. Check connections. Connect (Stat) The outside temperature is higher than the level where the furnace or electric heat is programmed to work. The iComfort® S30, iComfort® E30, and iComfort M30 smart thermostats are compatible with IFTTT, allowing for even greater comfort control. Typically, this alarm/code does not cause any issues and will clear on its own. Lennox iComfort® Equipment Interface Module (catalog number 10T50) (connects the iComfort® S30 to non-communicating indoor and outdoor units. Make sure coil is clean and airflow unobstructed in and out of condenser. Run the system in diagnostic mode and verify that it matches actual equipment operation. (Furnace / Air Handler / Outdoor Unit) The secondary voltage for the (furnace, air-handier or outdoor unit) has fallen below 18VAC. Replace thermostat if needed. Replace thermostat, if needed. Check for proper configuring under Unit Size Codes for Furnace/Air Handler on configuration guide or in installation instructions. It has the smart features you need and more but is reserved for Lennox … (Furnace / Air Handler) The 24VAC to the (furnace or air-handier control board) is lower than the required range of 18 to 30VAC. The sys- tem will go offline for 60 minutes and try again. Terms and Conditions & Privacy Policy Lennox will use this information in accordance with their respective terms of service and privacy policies. Heat section / Stage 4 failed (Same as Code 351). The alarm/fault will clear on successful ignition. The furnace low pressure switch is open during run mode. Check for dirty filters and other air flow restrictions. Now you can enjoy even more flexibility and control with the iComfort E30 Wi-Fi-enabled smart thermostat. Reset power to clear. Secondary voltage is below 18VAC. The system will go into Watchguard mode. (Stat) The humidity sensor in the thermostat is not working properly. Reduce firing rate every 60 seconds to match available CFM. Warning Only. 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 210792 February 2018 The iComfort® M30 is a Wi-Fi-enabled, electronic 7-day, universal, multi-stage, programmable, touchscreen thermostat. After 10 minutes, operation is discontinued. Replace the control if the problem prevents operation and is persistent. 7. No action is needed. The alarm/fault clears after the indoor blower motor starts successfully. Lennox Thermostat User Manuals Download ManualsLib has more than 82 Lennox Thermostat manuals Click on an alphabet below to see the full list of models starting with that letter: Step 1: Check all cooling equipment to determine cause. Verify operation of equipment in system test mode. Discharge or suction pressure out-of-limits, or compressor overloaded. Leaving Home - The thermostat will reduce system output and energy use with just a touch. (Furnace) The furnace high pressure switch is failing to close. Key to the right of the screen key is blank. Make sure coil is clean and airflow unobstructed in and out of condenser. Zone 1 is the actual thermostat itself. Check for proper configuring in installation instructions. 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 … (Stat) The (furnace, air-handier or outdoor unit) is resetting itself. Y2 relay / Stage 2 failed. The system will go into Watchguard mode. iComfort E30 Smart Thermostat. Set the System setting to Cool and set the temperature setting below the room temperature. Check the generator operating frequency, if the system is running on back-up power. (Stat) The thermostat does not know the capacity (tonnage) of the (furnace, air-handier or out- door unit). Unit pressures are below the lower limit. The iComfort® E30 is compatible with devices that feature Amazon Alexa*, which means you can control your home’s environment with simple voice commands and never have to leave the couch. Pressure switch opens at 40 psig (system shuts down) and closes at 90 psig (system restarts). Lennox ComfortSenset … Make sure Electric Heat option is selected. Clears the error after 30 consecutive normal run cycles or power reset. Check pressure (inches w.c.) of low pressure switch closing during a heat call. Select heating system mode to heat the indoor space to above 40?F. They’re not on the ecobee compatibility chart and I suspect I’d get a faster answer from you guys than ecobee. Clears the error after 4 consecutive normal compressor run cycles. Lennox icomfort Wi-Fi thermostat troubleshooting Alert Code Priority Alert Text Steps to clear 10 Critical (Stat) The thermostat has found an unknown device on the system. Remove the thermostat from the system while applying power and reprogramming. Heating or cooling equipment is not operating. This app is designed to be used with the Lennox iComfort S30, E30 and M30 Thermostat. Lennox … Check filter and duct system. Inspect vent and combustion air inducer for correct operation and restriction. Recalibrate thermostat to clear. (Air Handler) There is a problem with the air- handler’s 4th stage electric heat. (Furnace / Air Handler) The “Y2” relay on the (furnace or air-handier) has failed. Replace the jumper or put wire between terminals on control. (Stat) The thermostat is reading an indoor temperature that is higher than 99?F. My Lennox icomfort thermostat screen is blank. Measure operating pressure (inches w.c.). (Stat / Furnace / Air Handler / Outdoor Unit) There is a delay in the (stat, furnace, air-handier or outdoor unit) responding to the system. Fan does not turn on in a call for heat (electric furnaces only). Applicable in non communicating mode. Either the pilot relay contacts did not close or the relay coil did not energize. (Outdoor Unit) The outdoor unit pressure is be- low the required limit. Select cooling system mode to cool the indoor space. 2-stage controls will reduce firing rate to 1st stage. Go to [Indicated unif\ and program the unit capacity manually. The alarm is only cleared by pressing the clear button on the Installer Alerts Tab. The alarm/fault clears after the issue is corrected. The alarm/fault will clear when a heat call ends successfully. Already in bed, but want to adjust the temperature? An unknown device is seen on the subnet in or outside of configuration mode. Check for proper firing rate on furnace. Replace the icomfort thermostat with a conventional thermostat that has a dual fuel control mode (e.g. The alarm/fault clears after the correct match is detected following a reset. (Stat) The thermostat is reading indoor humidity levels below the pre-programmed limit. 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. (Furnace) The “0” to “R” jumper on the furnace needs to be restored. Operation stopped. Set the Lennox iComfort E30 Thermostat Perfect Temp, and the system will automatically adjust heating and cooling to maintain that setting. Provide proper grounding for the unit. Make sure there is an icomfort indoor unit on the system. 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