Trane Xr Heat Pump Error CodesHow to Reset 624 Trane Thermostat (For Heat Pump System) Watch this video to learn how to reprogram your 624 Trane Thermostat to restore normal operation after a power outage:. 9K views 2 years ago If you are experiencing an issue with your Trane. Trane XL20i With Error Code. Clean or replace your filter twice a month during seasons when the unit runs more often. reset circuit breaker, or replace burned-out fuses. Discharge air temperature failure on modulating heat and modulating reheat units. This IS the air flow the error lights are talking about. Trane Error Code 91 Error code 91 indicates a loss of communication between the thermostat and the HVAC equipment. The red flashing error code light on the air handler shows 10 flashes. It will run for a while, usually 30 seconds or more, before the ignition cycle begins. Trane heat pumps installer's guide (8 pages). I have a Trane XR80, installed in 2005. Contact your local Trane Comfort Specialist™ if you need help. What can cause a 2 flash code on the RTRM? – Trane. Fixing your Trane XR95 4 red blinks easily without the service guy coming out. 1 - mains voltage phase failure. Trane Heat pump lockout every time it is below freezing">Trane Heat pump lockout every time it is below freezing. Base Limited Warranty information on specific products can be found on Trane. Of the 3, Bob was so clearly so much more qualified, thorough and informed than the other two that the decision was a no brainer. Your thermostat controls your heat pump, so if the heat pump isn’t turning on or off it could be because your thermostat isn’t able to relay that message to the heat pump. By Pressing submit, I consent that my. Oct 6, 2020 48 Dislike Share Save Easy To Learn Tech 4. I believe that the compressor only fails when the tempature falls below 34-33 and it tries or goes into the defrost cycle then compressor fails to start after a few cycles and LED goes 3quick-skip-3quick. com/ythi JustAnswer Customer from San Antonio, TX: I have a Trane Error code 184. Or, try turning the thermostat off and back on, then resetting the temperature. We recently had 2 cold snaps, with temps of 15-20F. Indoor Unit Fault Codes FE If no address is provided when the power supply is connected for the first time: E0 Phase sequence error or phase missing problem E1 Indoor and outdoor communication problem E2 Room temperature sensor (T1) failure E3 Pipe temperature midpoint sensor (T2) fault E4 Pipe temperature outlet sensor (T2B) fault. 2 – Turn off the Power Switch to the heat pump (located on either the. Add charge if a minimum of 10°F subcooling is not ob-. We had 3 reps come in and make recommendations and provide a quote. Trane XR95 Furnace - 4 red blinking lights Error Code Smart Web Solutions 193 subscribers Subscribe 770 119K views 5 years ago Fixing your Trane XR95 4 red blinks easily without the service. Trane Furnace Error Codes A Slowly Flashing Light The system is operating properly; no call for heat. 6 - over-temperature of motor winding. ##), please contact your local HVAC dealer for service. Trane Air conditioners provide great relief during the scorching heat of summer. improperly adjusted thermostat. Circuit 2 – UC P9-5 to ground. trane air conditioner error codes. RESULT: The cooling fin high temperature protection. I also have the Trane XL 950 thermostat with outdoor sensor. Log into the Trane Home mobile app. If you have multiple homes, select the home you would like to change. com or call 1-877-288-7707, Monday-Friday 9 AM – 8 PM ET, and Saturday 10 AM – 5 PM ET. Trane XR16 Heat Pump Review. Contractor came out said temperature is too low (12F) to properly read the pressure, I left the code for him to read, he said most likely locked out to low freon and will need a coil and TVX, have no idea if true or not and haven't been able to confirm what 5 flashes means since there's no literature on the unit. Reply Save Like Final Final · #3 · Dec 31, 2009 James35 said: Trane XR90, LED flashes 2 times (flash-flash ---long pause--- flash-flash). If it happens in a/c mode then it could be a vavle problem or refrigerate issues. This could happen due to flame loss or unsuccessful ignition attempts. 4 – Wait a few minutes (3 to 5 minutes should be long enough). And the harder your unit works, the more energy it uses. All the other models can be reset by turning the thermostat on and off at the circuit breaker. Trane Heat Pump Error Codes. RESULT: Voltage protection fault. 2 second pause between faults and 4 second pause between sequences. You say it runs for 1-5 minutes and then shuts off, so also be sure you are not losing flame contact with the flame sensor. com or call 1-877-288-7707, Monday-Friday 9 AM – 8 PM ET, and Saturday 10 AM – 5 PM ET. The XR15’s electric heat pump’s SEER rating of up to 16. Heat/Cool Lock out Low Pressure Cut Out Fault (Open outside of defrost Cycle-Short lock out) Y2 without Yl - Miswire (24 volt mode only) Liquid Temperature Sensor Fault (Out of Range - Open or Shorted) Liquid Pressure Sensor Fault (Out of Range - Open or Shorted) External Outdoor Temperature Sensor Fault (Out of Range - Shorted). How Do You Reset a Trane Thermostat? On some wireless thermostat models, you can try resetting the device by pressing 'menu', selecting 'settings', and tapping 'reboot'. Air Handler Troubleshooting. The coil sensor also serves to sense out-door coil temperature for termination of the defrost cycle. This delta-T measurement is representative of the operating state and relative capacity of the heat pump system. By Pressing submit, I consent that my information be shared with Trane approved affiliates and third party partners, including. Trane Air Conditioner Error Codes (FULL LIST)">101 Trane Air Conditioner Error Codes (FULL LIST). If it's in heat and it runs fine try A/C and see if it does it. Trane thermostat error code 91. Try clearing away leaves or other debris around the unit. I have been doing resets via the breaker panel last couple of times, it would last a few days then do the same thing. OFF - System is not actively cooling. If you have any questions or need assistance, please contact Trane Home Customer Support via email at help@tranehome. Trane XR80 3 flash error code. (article) Thermostat Trane THS-02 User Manual. There are many possible reasons your AC is not cooling the house. 4 T W R 5 0 3 6 G 1 0 0 0 A A Outdoor Units Refrigerant Type 2 = R-22 4 = R-410A TRANE Product Type W = Split Heat Pump T = Split Cooling Product Family Z = Leadership – Two Stage Page 8: Electrical Data Electrical Data Schematic Diagrams Printed from D156994P02 22-1832-13. Trane thermostat error code 89 Meaning: the stat can’t “find” the cooling/heating equipment. It is recycling itself, or failing to recycle. Heat Pump Trane XL 15i Product Data. However, there is no legend on the machine to translate the error codes. 22-5213-WEB01 Owner's Guide Outdoor Units: Heat Pumps Air Conditioners. This is typically NOT the air flow that the lights are indicating are blocked. Solution: To unlock a Trane thermostat, press the plus (+) and minus (-) keys at the same time for 3-4 seconds. Possible cause: Your thermostat is set incorrectly. I think that it may have something to do with the defrost cycle. Please follow the steps below to restart your Heat Pump: 1 – Turn off the Thermostat. 5 ton Trane XL13c all electric heat pump. get a shop vac and suck all the water from pump. I have an error code 3 on my furnace. Next, on your thermostat, press Menu. Trane XR13 Repair and Troubleshooting Guide. I suspect the EEV (electronic expansion valve), sensor bulb or the controller is bad, thereby, restricting the freon flow and causing high pressure differential between the liquid and the suction line. Eight flashes indicate low flames and nine flashes mean the igniter must be checked. CHARGED STATUS LitePort COM CHARGING ADD ODT RECOVER LOW Flashin On On On Fast Flash Med Flash Slow Flash Occasional Flash Flashing On Flashing On Flashing On On Used with 20 SEER Models 4 highest priority Faults display flash codes sequentially. HVAC | Trane XL20i With Error Code HVAC with John Israel 39. Trane air conditioner error code 0x01 Problem: This error message indicates an EEPROM ERROR. Trane Comfortlink II Error Code 22. Thermostat Trane X13511537-01 Installation Manual. This comprehensive guide will explain all the error codes of Trane air conditioners along with their meanings. Action: It is a technical problem so contact your service technician. The trane xr13 air handler might not be working because of a blown fuse or open circuit breaker. Reset the system and watch it when it first comes on. 2 4TWX6024E-SF-1F SCHEMATIC DIAGRAM SUBCOOLING CHARGING BELOW 55°F OD AMBIENT – IN HEATING ONLY 1. 5K views 1 year ago From https://www. Reset the circuit breaker or replace the burned-out fuse. Trane offers the finest quality products and manufacturer’s warranties on the market. Trane Thermostat Error Codes – Troubleshooting Guide">Trane Thermostat Error Codes – Troubleshooting Guide. Your thermostat controls your heat pump, so if the heat pump isn’t turning on or off it could be because your thermostat isn’t able to relay that message to the heat pump. A slowly flashing light indicates that your Trane. Gas heat failure. Programmable ZSM communication failure 4. Split system heat pump (16 pages) Heat Pump Trane 2TWB-SVU01A-EN Use And Care Manual. The pump might have come unplugged or there may be kinks or blocks in the drainage line. OFF – System is not actively cooling. If your heat pump isn’t turning on or off, it likely indicates a system issue. Then, try resetting the temperature. Trane® Home Diagnostics: Consumer Information Dealer Remote Access (DRA) If you have any questions or need assistance, please contact Trane Home Customer Support via email at help@tranehome. This fan motor (IFM) will come on first when the thermostat calls for heat. Limit Switch on Trane Furnace: How to fix?">Open Limit Switch on Trane Furnace: How to fix?. Possible cause: Your circuit breaker tripped Solution: Turn off your HVAC system, find the circuit breaker, and reset the system by flipping the switch off and back on. One of them is 30 amps (105e) and the other is 40 amps (108e). Board drawing is in Service Facts folder with the unit. Wall thermostat (7 pages) Thermostat Trane ProSpace THT03191 Installation Instructions Manual. 3 Calculated in accordance with Natl. Defrost fault condition (heat pumps only) 7. Outdoor air temperature sensor failure. We have been shopping for a heat pump for our home. Responsible Refrigerant Practices!. Trane Comfortlink II Error Code 22 Code 22 means ‘ soft lockout ’. Went to turn on our Trane XR90 unit today, and no luck with heat! Unit is propane run, about 5 years old. So when I get up I turn up the thermostat. Trane Furnace Error Codes A Slowly Flashing Light. Easy steps, and video showing exactly what to do. PULSING - This indicator can mean one or more of the following: Any controls CC1 or CC2 opens during cooling, or is open when a call for compressor occurs. How Do You Reset a Trane Thermostat? On some wireless thermostat models, you can try resetting the device by pressing ‘menu’, selecting ‘settings’, and tapping ‘reboot’. Now when I turn the heat on via the thermostat (move the slider to heat and push the temp arrow up) the heat doesn't come on. TRANE XR15 PRODUCT DATA Pdf Download. Our Trane air handler troubleshooting guide reviews the most common air handler issues. FIX: Check if the drain tubes are full of moisture or obstructed with dirt. Mine blinks 3quick-short break-3quick. Remote split system units air cooled condensing units and evp chillers (112 pages) Summary of Contents for Trane R-410A Split System Page 1 Technical Service Manual R-410A Split System 16~18 SEER, Inverter Systems - 60 and 50 Hz Single Split 4MYW8-A 4TYK8-A June 2010 Page 2 CFCs such as HCFCs and HFCs. I hear a buzzing that lasts for about 30 seconds or so and then that stops, then repeats. If this doesn't work, try resetting your thermostat with the reset button, changing the batteries, or cleaning off any dust and dirt inside. Plenum Fan LED Error Codes. CODE: 3 Flashes RESULT: Pressure Switch error. Trane heat pump lockouts. If this doesn’t work, try resetting your thermostat with the reset button, changing the batteries, or cleaning off any dust and dirt inside. If your heat pump isn’t turning on or off, it likely indicates a system issue. 50% 60% 38% 47% 0% 43% 8SEERSEER12 SEER13 SEER14SEER15 SEER16 SEER20SEER 33% Efficiency based on the SEER rating of a matched system. Contact a Trane Comfort Specialist™ to set up a diagnostic visit. Alternatively, a power loss, or electrical problem could be causing the issue. Trane Heat Pump Troubleshooting. The trane xr13 air handler might not be working because of a blown fuse or open circuit breaker. Your heat pump might struggle to provide heat in the winter season. Or, try turning the thermostat off and back on, then. Error Codes - What to Do? - Trane Home Trane Home WiFi Thermostats WiFi Thermostats - Knowledge Base Articles XL824, XL850, and XL1050 Only Error Codes - What to Do? 2 years ago Updated If you see a numeric error code (i. Manual compressor lockout (one or both circuits) 5. Ask your dealer for full warranty information at time of purchase. How to reset your heat pump: At your electrical panel, shut off the break for your heat pump for 10 minutes Turn the breaker back on after 10 minutes and turn your heat pump unit on setting it in the proper heating or cooling setting and the lowest temperature possible Allow to run for 15 minutes. When this occurs the compressor will not come on but the contactor closes and there is voltage through the start capacitor. To unlock a Trane thermostat, press the plus ("+") and minus ("-") keys at the same time for three to four seconds, then try adjusting the temperature again. can cause a 2 flash code on the RTRM? – Trane">What can cause a 2 flash code on the RTRM? – Trane. If you have any questions or need assistance, please contact Trane Home Customer Support via email at help@tranehome. A good way to find out if the pressure switches or the board / wiring is the issue is to unwire. To unlock a Trane thermostat, press the plus (“+”) and minus (“-”) keys at the same time for three to four seconds, then try adjusting the temperature again. If the blinking persists you have a more serious electrical problem. 101 Trane Air Conditioner Error Codes (FULL LIST) 101 Trane Air Conditioner Error Codes Table of Contents 1 Trane air conditioner error code 0x01 2 Trane air conditioner error code 0x02 3 Trane air conditioner error code 0x03 4 Trane air conditioner error code 0x04 5 Trane air conditioner error code 0x05 6 Trane air conditioner error code 0x06. How Do You Reset a Trane Thermostat? On some wireless thermostat models, you can try resetting the device by pressing ‘menu’, selecting ‘settings’, and tapping ‘reboot’. Brand: Trane | Category: Heat Pump | Size: 1. CHARGED STATUS LitePort COM CHARGING ADD ODT RECOVER LOW Flashin On On On Fast Flash Med Flash Slow Flash Occasional Flash Flashing On Flashing On. Then put the shop vac so it can vacuum the drain line itself. The board is designed to go to a hard lock out if it hits a low pressure switch too many times within a certain amount of time. 83K subscribers In this video you will see what are the error codes for TRANE AIRCONDITING / AMERICAN STANDARD INVERTER AIR-CONDITIONING. Trane XR302-XR303 Thermostat Manual Trane XL1050 Installation Manual Trane ComfortLink II XL950 Manual Trane Comfort Control XB200 Thermostat Manual Trane XL850 Installation Manual Trane XL940-TZONE940AC52Z Thermostat Manual Trane XR202 Thermostat Manual Trane TCONT602AF22MA Installation Instructions Manual Trane Thermostat TCONT900AC43UA Manual. A slowly flashing light indicates that your Trane furnace is feeling absolutely fine and is waiting for a signal from the thermostat to start operating. Simply resetting the thermostat might also help, in some cases. Solution: Lower the temperature on your thermostat, then wait to see if you feel a change. I have a Trane Error code 184. Check to make sure that the coils are clean and that the air filter isn’t clogged. Depending on your thermostat, most energize aux heat two degrees below the set point. When I try to turn the unit on, it display a series of 3 flashes on the light indicator. Trane Service Facts Split System Heat Pump 4TWX6024E1000A">Trane Service Facts Split System Heat Pump 4TWX6024E1000A. You should also check return grills for blockages that could keep air from circulating freely in the system. In general, it should take the thermostat up to 30 minutes to re-establish the contact and start working again. heat from the equipment may cause the system to over-cool your house. Error code 90 means that the device is. com Community Forums">Trane heat pump lockouts. RESULT: Outdoor unit sensor fault. All the other models can be reset by turning the thermostat on and off at. Blue auxiliary heat light on. I finally decided to open up to check the code, the. RESULT: Heating fan fault in the area A lasts for 5 minutes. You can register online at Tr ane. If you’re getting error codes on your Trane Voyager, it means there’s a problem with the unit. Press Save in the upper right corner. Trane XR14 can give you 14 SEER cooling if it is paired with an air handler unit, and an HSPF rating of 8. Last summer I had my vents cleaned, and the furnace worked fine through the winter. In an air conditioning system, many parts work together to help your air conditioner function properly, and if something goes wrong with one, it could impact the entire system. The black wire on the Compressor Contactor Aux Switch (from Adapter Board J22-1 for CC1, J22-3 for CC2) has 24 VAC any time the unit is powered up. com or by phone at 800-554-6413, otherwise Trane's Base Limited Warranty terms will apply. Defrost fault condition (heat pumps only) 7. List of Light Commercial LED Codes – Trane. Error Codes - What to Do? – Trane Home Trane Home WiFi Thermostats WiFi Thermostats - Knowledge Base Articles XL824, XL850, and XL1050 Only Error Codes -. Trane XR Series Application Manual (20 pages) Condensing Units and Heat Pumps. But, like all good things, the Trane-provided limited warranty on your new comfort equipment will come to an end. To have the Trane XR16 installed in your home, expect to pay between $7,800 and $9,900. Would anyone have the LED failure codes for A Trane XE1000 heatpump. Trane®">Thermostat Troubleshooting: Solutions for Common Issues. A smart solution to your home heating and cooling needs, the XR15 is an excellent blend of efficiency and value. It may or may not be in the cooling mode. With its SEER and HSPF ratings, the efficient Trane XR Heat Pump is designed to do both. Most Trane/ American standard units only go to a lock out when it hits a low pressure switch high pressure switch doesn't tie to the board in most cases. Select the menu icon in the upper left corner of the screen. Possible cause: Your thermostat is dirty. Your ductless heat pump or ductless air conditioner might have a problem heating and cooling because the outdoor coil is blocked. Outdoor coil temp sensor failure (heat pumps only) 6. Trane Service Facts Split System Heat Pump 4TWX6024E1000A. Follow these steps To Reset a Nexia Trane thermostat: Check that your system is idle. Outdoor coil temp sensor failure (heat pumps only) 6. 0:00 / 1:29 trane air conditioner error codes Computer Geek SEO 237 subscribers Subscribe 5. RESULT: High pressure protection. Action: Check for a tripped breaker/blown fuse (to your outdoor unit)- these two are common culprits for error 89. Upvote # 10 12-11-14, 07:48 PM C Cetus127 Member Thread Starter. More details for XR15 are SEER rating of up to 16 and high efficiency Heating Seasonal Performance Factor of. FIX: Check for miswiring, clogged pilot tube, or humidity in the unit. When replacing your filter(s), always use the same size and type that was originally supplied. Zone temperature sensor input failure on CV units 3. I live in Vancouver,BC and have a 1. A slowly flashing light indicates that your Trane furnace is feeling absolutely fine and is waiting for a signal from the thermostat to start operating. 0:00 / 1:29 trane air conditioner error codes Computer Geek SEO 237 subscribers Subscribe 5. Brand: Trane | Category: Heat Pump | Size: 1. Such a code will usually appear after a power-related issue. Yes, if you have 24 volts to the gas valve and it shuts off the valve is bad. This year if it is below freezing, especially in the 20s, the heat pump locks out. check setting, adjust thermostat. At Fire & Ice, all of our estimates include the cost of equipment, labor, and any additional fees. The system is operating properly; no call for heat. On this channel i bring you along on. You can ohm out the contactor run circuits as follows: Circuit 1 – UC P8-5 to ground. Trane Comfortlink II Error Code 90. The unaffected circuit will still run. 2 if it is matched with a Trane furnace. Entering evaporator temperature failure (on. RESULT: Direct-current fan fault. Trane XR Series Application Manual (20 pages) Condensing Units and Heat Pumps. At night I turn down the thermostat. Then remove the small rubber tube from the pressure switchit is as thick as a pencilone end attaches to the switch, the other end attaches to a fitting on the furnaceuse a paper clip to poke this. Trane XR13 Constantly Running Your thermostat could be set too high. open circuit breaker or burned-out fuses. Slide the switch to the right to opt in or to the left to opt out. RESULT: There are two times E6 fault in 10 minutes (recovery will be after power off). I shut down the AC power and pulled the plug from J4 to power off the board for about a minute, then plugged it back in, then turned on the AC power. Also what mode are you in when this happens. The error codes are usually quick flashes followed by longer flashes, and also usually double digit to avoid confusion. 3 - over-temperature of power module. Trane Thermostats Installation And Operation Manual">Trane Thermostats Installation And Operation Manual. You might want to set the stat to em heat during freezing rain so ice build up on the hp fan blades doesn't destroy the unit, or if you notice the stat is staying two degrees or more below set point. 9K views 2 years ago If you are experiencing an issue with your Trane system, our guide can help. If your home doesn't feel like it's heating up in the winter, your heat pump might be experiencing an. If you hear rattling sounds coming from your trane xr13 heat pump, it could simply be loose hardware or an out-of-place register. 1K subscribers Subscribe 182 32K views 4 years ago Welcome to Israelhvac's YouTube Channel. you get Blinking Lights on your Heat Pump">What to do if you get Blinking Lights on your Heat Pump. It only takes a millisecond of loss contact with it. Trane XR80 Troubleshooting After examining the flashing system you should check the green light. It occurs due to an EEPROM COMMUNICATION ERROR and the unit stops working. Use only HACR circuit breakers or fuses. However, all the fun is spoiled when the AC suddenly stops working and. 101 Trane Air Conditioner Error Codes (FULL LIST). If the unit is a heat pump, the reversing valve is energized as well. Heat Pump Troubleshooting: Diagnosing Common Issues. Trane XR13 Constantly Running Your thermostat could be set too high. 50 make it an energy-efficient choice for home comfort. The second airflow is the air coming into the fire box/combustion chamber, providing oxygen to the burner and then the exhaust blowing out. Reduce the burden of unexpected repair bills with a Trane Extended Warranty. I have a Trane XR Heat Pump dated 8/2015, model number 4TWR4060E1000BA. 4 - internal communication error. See if it stops and starts again then starts again after a few. There are pressure switches (at least one) which will detect the negative pressure caused by the IFM. By measuring the change in delta-T, we can determine the need for defrost. Trane Furnace Error Codes A Slowly Flashing Light The system is operating properly; no call for heat. As part of the full HVAC system, it can be a very effective energy sipping unit, but it won’t qualify for Energy Star certification. RESULT: Communication error between Main board and IR341 CODE: E4. Mini Split Troubleshooting. Updated: Feb 09, 2023 error code, low voltage, Trane Trane thermostat error code 91, 126, 79, 26 Trane thermostat error code 91 This fault code occurs when the low voltage line from furnace lacks power. make sure main switch is in ON position. Trane use and care manual heat pump 2twb-svu01a-en (6 pages) Heat Pump Trane 18-BC55D1-2 Installer's Manual. Seven flashes show a problem with the gas valve that needs immediate attention. If your AC is not cooling the house, some common AC problems homeowners face might be that the filters are clogged, the refrigerant is leaking or low, or. Thermostat Troubleshooting: Solutions for Common Issues. How do I fix an E7 error code on my Trane heat pump JA: What happened just before your Trane heat pump displayed this message?Customer: Sorry dont know my inept husband touched the remote when I was out lol JA: How long has this been going on with your Trane heat pump?Customer: Just last night and I haven't touched anything JA: Anything else we. To unlock a Trane thermostat, press the plus (“+”) and minus (“-”) keys at the same time for three to four seconds, then try adjusting the temperature again. Trane Thermostat Error Codes. Single XL19i condensing unit / heat pump in a corner with unrestricted top clearance A) For locations where the design ambient temperature is below 105F: 1) 1. Code 22 means ‘soft lockout’. When it's cold, your heat pump works to extract heat from the air outside, then uses refrigerant to carry that heat through the system and deposit it into your home, until your home reaches the temperature you want. Possible causes: The technician pushes in the contactor manually. There are 2 bayhtr heat strip backups as well. 13 - dc-link-under-voltage CFMB (Voyager 2 Modulating Heat) Fault Indicator Output. Trane recommendeds mounting the unit on a pad that is independent of the structure. If the unit is a heat pump, the reversing valve is energized as well. LED fault code is 5 flashes Last week, it went to 4 flashes (hard lockout). For heat pump-2 compressors with auxiliary heating (12 pages) Thermostat Trane THS04 User Manual. 3 – Turn off the 2 electrical breakers for the heat pump. Trane Heat Pumps XR Series. Here are some common error codes and what they mean: E01 – This indicates that the evaporator temperature is too high. But it can be a wiring problem somewhere in the system so check the wiring too. A new heat pump installation ranges between $4,900 and $12,500. CODE: 2 Flashes RESULT: External Lockout (Retried or recycles exceeded). Trane XR Model 4twr6042h1000ac Hard lockout : r/hvacadvice">Trane XR Model 4twr6042h1000ac Hard lockout : r/hvacadvice. An error code such as yours can also be caused by a restricted/blocked condensate drain, a blockage or restriction in the vent pipe such as a dead bird, leaves, bee's nest etc. Discharge air temperature failure on modulating heat and modulating reheat units. How do I reset my Trane heater?. Hoping someone can help me with my 3 year old 4TWR4030G1000AA heat pump w/ TEM4A0B30S31SBA air handler with ongoing issue with the outside unit not turning on. CODE: Continuous Off RESULT: Check Power. You can try to clean the pilot assembly mounts and the burners.