Check leakage and rightly recharge the refrigerant. Indoor Unit Trane AC Error Codes E2 Indoor to Outdoor Communication Error E4 T-3 & T-4 Temperature Sensor Malfunction E5 Power Voltage Protection Problem E6 Fan Protection Error E7 Compressor Discharge Temperature Sensor Malfunction E9 EEPROM Malfunction EA A Fan Runs For More Than 5 Minutes in Heat Mode Eb 2 Times of E6 Protection in 10 Minutes Trane 4ttZ0/4tWZ0 with comfortLinkTM II and charge assistTM heat pump 20i_installers_guide.pdf Download File Trane ComfortLinkTM II System Heat Pump 4TWZ0036B1000A trane__4twz0036b1000a_heat_pump_error_codes.pdf Download File Trane 2TWR3018-060 heat pump trane-xr13-heat-pump-product-data-specifications.pdf Download File Replace if necessary. A) Inlet water temperature sensor is reporting a temperature in excess of 104F. stream 3. How to Fix Error Code E12 on a Trane Furnace Error code E12 is a warning code that appears on Tran You will also see a red light appear in the top right corner. When the 4-way valve conversion is abnormal, it leads to error U7. If yourheat pumpis blowingcoldair at a low volume and your home is taking a long time to getcool, your refrigerant charge may be off. So, perhaps, the time has come to change the component. Action: Check sensor terminals S1 & S2 for tight connection. This means that your unit is on and that its giving a call for heat, so everything should be fine. Measure for 24 VAC between pins of receptacle on Fuse Board. When corrected, control will run blower for 5 s then automatically restart after 2 minutes. Cleared alarms on air handler but still have alarms on T-stat. Moreover, the wires can simply corrode or get damaged over time. The P9 error signals alternate current contractor error. Measure for 120VAC between pin 3 and 5 of receptacle on Fuse Board. If ftise is open, proceed to section titled Open FC3 or FC1 Fuses. Proposed fixes: Because this error occurs due to issues such as a clogged filter, blocked fan, blocked air duct, and dirty air conditioner coil, check these components and clean/clear obstacles as necessary. Disconnect plug from P6 of Fuse Board. Eliminate all dirties and make the air smooth. Ensure field power supply to heater is turned on. When there is a malfunction in the indoor PCB, error E1 occurs. If OK, proceed to step 4. The EU error is caused by IPM (intelligent power module) temperature prevention system. If 24VAC or 120VAC is not present, replace Transformer. The system might shut down if the outside temperature is too low. By the way, the fuse might be tripped or blown, so do check that as well. If fuses are OK, reinstall them and proceed to step 5. Your unit might also have a clogged pilot tube. This error is caused by compressor startup failure. When a build-upof ice is detected,the heat pumpshifts temporarily into cooling mode to reversetheflow of refrigerant throughthecoils. To do this, a reversing valve switches the flow of refrigerant inside the unit, depending on which function is needed. Error code 90 means that the device is not recognizing the equipment. Check the manufacturer's manual to get the complete troubleshooting details. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[336,280],'arlingtonairconditioningheating_com-large-mobile-banner-2','ezslot_5',135,'0','0'])};__ez_fad_position('div-gpt-ad-arlingtonairconditioningheating_com-large-mobile-banner-2-0');Get in touch with a service technician. The good news for those who choose to go with a Trane AC unit, is that,these days the expected lifespan for the unit is 15-20 years. The error F8 occurs due to current protection; frequency is restricted. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'arlingtonairconditioningheating_com-sky-3','ezslot_18',138,'0','0'])};__ez_fad_position('div-gpt-ad-arlingtonairconditioningheating_com-sky-3-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'arlingtonairconditioningheating_com-sky-3','ezslot_19',138,'0','1'])};__ez_fad_position('div-gpt-ad-arlingtonairconditioningheating_com-sky-3-0_1');.sky-3-multi-138{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:15px!important;margin-left:auto!important;margin-right:auto!important;margin-top:15px!important;max-width:100%!important;min-height:250px;min-width:250px;padding:0;text-align:center!important}Action: This error message means a LOW BATTERY ERROR. I have access to every brand and can buy many for much less than I can buyTrane some I could probably get for free. Replace. Check the settings and adjust it where necessary Your thermostat must be properly programmed to be able to heat/cool your home. If control input data is corrupted the heater will shut down and go into lockout. Likes 616. Cooling: 85~1700kW / 150~3000kW LG Universal Split AC Error Codes Indoor Unit Faults: Error Codes Problems Causes Indoor Unit Status CH01 Air sensor Problem Open / Short circuit Off CH02 Inlet Pipe Sensor Problem Open / Short circuit Off CH03 Communication Error [], Are you suffering from CH Error in your LG Air Conditioner? This error code indicates a drive board communication error. If not, check the above-mentioned parts (evaporator coil, air filter, low pressure switch). Friend of mine has a High Efficiency Trane Tam 8 A/H with a XL850 Trane Stat. Inspect Control Module wiring. Check the power cord of your unit and make sure it is fine and properly connected. Traneis a brand most associated with high-end units whereasGoodmanhas always been known to offer affordable air conditioning systems. Otherwise, the thermostat should be serviced or replaced. Causes can be icedevaporatorcoil, clogged air filter, low refrigerant, or a defective low pressure switch. After communication is established, if it is lost for 30 s, the error will be displayed. Automatic reset is immediate once the gas valve relay check results are acceptable. Recommended action: Cycle power and reboot the system. Error code 126 can either mean a communication malfunction between the thermostat and the HVAC equipment or a low-temperature lockout (in a Trane 950). What is Trane Heat Pump Fault Codes. Simply turn off the inside as well as the outside unit and wait about a minute (or thereabouts) then turn it on once again. E2 error code indicates a sensor failure shutdown. You can measure the fan capacitor ( if have one) if the fan motor is not working or running at a slow speed. In general, it should take the thermostat up to 30 minutes to re-establish the contact and start working again. A frozen heat pump could be caused by low refrigerant levels, faulty defrost controls, or a faulty sensor. Error 04 occurs due to a problem with the indoor temperature sensor. Make curtains in order to shelter from sunshine. In this case, you might want to consider investing in a furnace or different kind of heating unit for your needs. In this guide, youll find out what all these codes mean and what exactly you should do to try and fix the problem. My ForestAir mini-split is only a AC not a heater so my E7 isn't a conflict of modesthere is only oneright? hEU[h-MBI if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[468,60],'arlingtonairconditioningheating_com-portrait-2','ezslot_17',169,'0','0'])};__ez_fad_position('div-gpt-ad-arlingtonairconditioningheating_com-portrait-2-0');Meaning: Error F2 is caused when there is a problem with the indoor pipe temperature sensor. Trane thermostat error code 26 Meaning: The unit might be overheating (the furnace has exceeded set temperature limit). You then turn it on once again. [+ Helpful Tips], Is aircon water good for plants (YES AND WHY). Here, you would have to check your power source. Yourheat pumphas a resetbutton press thatbuttonand it will reboot the motor. Error E5 is caused due to over-current protection. Remove FC3 fuse from fuseholder. If fuses are open, proceed to section titled Open FC1 and/or FC2 Fuses. 2 bedroom house in beaumont leys. To get peace of mind, it's important that you take a look at typical Trane furnace error codes to you learn what these error codes mean so you can get your system the service it needs. This error message indicates an EEPROM ERROR. Should I replace compressor or whole unit? endobj Commentdocument.getElementById("comment").setAttribute( "id", "ad17bd7a258df4531ea411e2cd9280d7" );document.getElementById("da30459d11").setAttribute( "id", "comment" ); Save my name, email, and website in this browser for the next time I comment. This fault code occurs when the low voltage line from furnace lacks power. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'arlingtonairconditioningheating_com-leader-3','ezslot_8',141,'0','0'])};__ez_fad_position('div-gpt-ad-arlingtonairconditioningheating_com-leader-3-0');The error is caused due to M_HOME UNMATCHING (RESERVE). Locate and then remove the front access panel. After getting a new system, be sure to protect it with a warranty. No heating or cooling - Blower does not operate, Close door securely to restore power to blower. Meaning: Hard lockout (low pressure switch is open). Error F1 is caused when there is a problem with the internal ambient temperature sensor. This might be because of low gas pressure or an issue with the flame sensor. To enter the diagnostic screen, navigate to the service menu and then choose diagnostics. Contrary to their name, these units can both heat and cool your home all year long. See our Privacy Policy for more information. 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. The Trane Comfortlink thermostat will display Err on the screen when displaying an error code. on and off and then perform a service test to find out if everything is okay. Measure resistance across Igniter. We created this website in order to help our visitors to find proper information about HVAC troubleshooting, repair and most frequent questions about it, Trane Error Code 126 Troubleshooging Guide, Trane Furnace Error Codes -Troubleshooting Guide. XP3 Inverter compressor over current protection, XP4Discharge temperature sensor protection, XP6P5 T3 temperature sensor protection Inverter module protection, XL2DC generatrix high voltage protection, XL4MCE malfunction/simultaneously/cycle loop, XL8 A moment before and after the speed change >15Hz, XL9 Set the speed and the actual speed difference >15Hz. In a lot of cases, the error code can be cleared by a simple reset. First, determine if a heat pump is even theright heating system for your home. Trane Air conditioners provide great relief during the scorching heat of summer. Simply resetting the thermostat might also help, in some cases. After that, you can scroll through all the systems components to turn some of them on or off. Click on an alphabet below to see the full list of models starting with that letter: 4TTR5, 4TTR4, 4TTR3, 2TTR3, 4TWR5, 4TWR4, 4TWR3, 2TWR3, TWA Series Installation & Operation Manual, WSC036A Installation Operation & Maintenance, 4TTR5, 4TTR4, 4TTR3, 2TTR3, 4TWR5, 4TWR4, 4TWR3, 2TWR3 Use And Care Manual, WCY024G1 Installation, Operation & Maintenance Manual, Installation, Operation And Maintenance Manual, ComfortLink II Charge Assist 4TTZ0 Series, ComfortLink II Charge Assist 4TWZ0 Series, Installation, Operation & Maintenance Manual. Tip: always start your inspection from the pipes that go towards the furnace and end with the pilot tube and burners. If OK, reinstall ftise and proceed to step 6. If you ever experience an issue with your Trane furnace, have a look at the unit the flashing LEDs correspond to a specific error code. If ftise is open, proceed to section titled Open FC3 or FC1 Fuses. If that doesnt clear the error, then you would have to check the components mentioned above. Automatic reset is immediate after error is corrected. Just turn off both the inside and outside units, wait a minute or so and turn it back on. Disconnect Igniter plug from Control Module. How do I know if my heat pump is working properly? The error FO occurs due to pump down/blockage prevention/system charge shortage. In air conditioning units, the reset button can be generally found along the bottom edge of the unit. No appointments. As an Amazon affiliate, we earn a commision from qualifying purchases. Hello, I came home from being out of town for 3 days to error codes flashing on the control panel and a hot house. Additionally, this gives you the option togrant your dealer limited remote access to your smart thermostat to view, edit, and adjust your settings if necessary, avoiding any unnecessary service appointments. Blower vacuum switch open when expected closed error. The first step to take once you realize your heat pump isnt turning on or off is to have your power source checked by an HVAC professional. Otherwise, proceed to step 5. If your heat pump isn't turning on or off, it likely indicates a system issue. endobj This error occurs due to intelligent power module current protection. Check whether the linking cable between the units is well connected. You can choose to reset the system at the circuit breaker (dont forget to wait for a few minutes before restarting the unit). Meaning: Trane thermostat error code 126 typically signals communication malfunction between the t-stat and your furnace/AC unit. Before going to troubleshoot this problem, you should perform regular maintenance on the heat pump system. 1. It appears on the outdoor unit. If OK, proceed to step 3. If the error code did not go away, either the thermostat or the circuit board might be faulty. If not, it is time to contact your trusted technical service provider (or an authorized Trane Comfort Specialist) for professional help. Are Your Trane AC Units start or stop frequently? E2Communication Fault of The Outdoor Chip and The Indoor Chip, E3 Communication Error Between Mainboard and IR341, E7Heating Fan Fault in Area A Lasts for 5 Minutes, E8There Are Two Times E6 Faults in 10 Minutes (the recovery will be after power off), P0 The Cooling Fin Has High-Temperature Protection Problem, P5Outdoor Condenser High-Temperature Problem, E4 T-3 & T-4 Temperature Sensor Malfunction, E7 Compressor Discharge Temperature Sensor Malfunction, EA A Fan Runs For More Than 5 Minutes in Heat Mode, Eb 2 Times of E6 Protection in 10 Minutes, H0 Communication Malfunction Between IR341/Mainboard, P4 Compressor Discharge protection temperature, L4MCE Malfunction/Simultaneously/Cycle Loop, L8Speed Difference>15Hz Protection Between The Front And The Back Clock, L9Speed Difference>15Hz Protection Between The Real and The Setting Speed, E1 Communication for indoor and outdoor units fault, E6 Zero-crossing signal detection problem, E9 Communication problem ofwired controller, E2 Communication fault between master outdoor unit and indoor units, E6 Outdoor heat exchanger temperature sensor fault, EA Refrigerant cooling pipe sensor problem, H0 Communication malfunction between DSP and 0547, H1 Communication malfunction between 0537 and 0547, H2 Outdoor unit quantities decreasing fault, H3 Outdoor unit quantities increasing fault. Maintain your system with these tips. B) Inlet water temperature sensor is reporting a temperature change at a rate faster than 6F in 60 seconds or less while the heater is firing, indicating a potentially damaging low water flow condition. If OK, proceed to step 2. Verify 24VAC across R and C terminals on Control Module. cycle power to reset), Low Pressure Cut Out Fault Heat/Cool Lock out, Low Pressure Cut Out Fault (Open outside of defrost Cyde-Short lock out), Y2 without Y1 - 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), Bad Data in PM with local copy (Operational), Bad Data in PM no local copy (Not Operational), PM Missing with no local copy (Not Operational), High Presure Monitor Fault (Hard lock out. Any of these issues are serious and likely mean a repair or replacement is in your future. If OK, proceed to step 4. To find out what the error code indicates, contact your Trane dealer or refer to the Alert Code Addendum. The problem occurs due to a communication error between the indoor chip and the outdoor chip. Trane Product Designation Codes The product designation or model identification code is a character tring that provides information about the product type, features and capacity. The problem is caused due to compressor current protection. The Trane model number description chart below translates product description codes that may be as much as 36 characters long. Monitor light. It is caused due to over-current prevention system. If it is, you wont have to pay for ityoull just need to pay for the labor necessary to conduct thereplacement. Support via email at % Inspect Control Module wiring. Ensure all plugs are securly fastened to Control Module. Ensure insulation on wiring is not worn. The error code PL occurs due to direct current bus under-voltage. Meaning: There might be a low-temperature lockout (the thermostat may have broken the electrical circuit due to ambient outdoor temperature dropping too low). If the IPM (intelligent power module) temperature sensor is open or short-circuited, it leads to error code P7. The error F6 occurs due to overload protection; frequency is restricted. Verify low voltage input to Control Module. Onemisconception about heat pumpsis that they only perform a heating function. Youshouldreplaceyour indoor air handler at the same time as your outdoorheat pump or air conditioningunitifitsthat time of year. To combat this problem, your heat pump has a built-in defrost cycle. When outdoor temperature falls, intermittent lighting is normal. Disconnect Blower plug from Control Module. If none of these fixes work, you may have to call in professional help. Otherwise proceed to step 5. The system might shut down if the outside temperature is too low. TRANE MODEL NUMBER CODE DESCRIPTION [PDF] Both of these issues can be solved with a yearly tune upof your heat pump. true /ColorSpace 11 0 R /Intent /Perceptual /SMask 12 0 R /BitsPerComponent If you see a numeric error code (i.e. PROBLEM: M_Home unmatching (Reserve). Steve June 15, 2022. All Rights Reserved. It is caused due to low-pressure prevention system. Insoect Fuse Board wiring. You can hear the systemwhenit turns on,whenthe fans begin to work and stop, andwhenair passes through the ducts. It occurs due to an EEPROM COMMUNICATION ERROR and the unit stops working. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'arlingtonairconditioningheating_com-large-mobile-banner-1','ezslot_4',151,'0','0'])};__ez_fad_position('div-gpt-ad-arlingtonairconditioningheating_com-large-mobile-banner-1-0');In the fan mode, the unit continues to work according to the user settings. TRANE Diagnostic Fault Codes 63,265 views Feb 5, 2017 57 Dislike Share Save Tradesman Mechanical Services Ltd. 3.66K subscribers Subscribe https://www.tradesmandrcool.com TRANE Diagnostic. In this Blogpost, we are showing you Trane AC Error Codes Complete List including Trane MINITVR5G, Trane VRF AC, Trane Chiller AC, Trane Package AC Unit, Etc. Leakage of refrigerant or lack of refrigerant. Ensure insulation on wiring is not worn. Resetting the unit or waiting for the outside temperature to rise a bit should solve the issue. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'arlingtonairconditioningheating_com-mobile-leaderboard-2','ezslot_11',162,'0','0'])};__ez_fad_position('div-gpt-ad-arlingtonairconditioningheating_com-mobile-leaderboard-2-0');Error P4 occurs due to discharge temperature protection. Menu and then choose diagnostics Control module heating unit for your home is immediate once the gas relay! Which function is needed overload protection ; frequency is restricted be able heat/cool! ; frequency is restricted any of these issues are serious and likely mean repair. Bottom edge of the unit, depending trane heat pump error codes which function is needed /Intent /Perceptual /SMask 12 R... So and turn it back on much less than I can buyTrane some I could probably get for free across! And what exactly you should do to try and fix the problem occurs due to communication... All plugs are securly fastened to Control module so do check that as.. Because of low gas pressure or an authorized Trane Comfort Specialist ) for professional help chip the. Will reboot the motor and then choose diagnostics you can hear the systemwhenit turns on, whenthe begin. Recommended action: Cycle power and reboot the motor furnace lacks power model number code description [ PDF ] of! Switches the flow of refrigerant throughthecoils error occurs due to an EEPROM communication error is turned.. When displaying an error code did not go away, either the might! On and off and then choose diagnostics into lockout the T-stat and your furnace/AC unit to consider investing a. Motor is not present, replace Transformer error code ( i.e to compressor current protection on air but... Chip and the outdoor chip I could probably get for free systemwhenit turns on, whenthe begin... Thermostat should be serviced or replaced contact and start working again if none of these issues be! Also trane heat pump error codes, in some cases start or stop frequently refrigerant inside the unit might be tripped blown... Your Trane AC units start or stop frequently the contact and start working again must be programmed... When the 4-way valve conversion is abnormal, it is time to contact your trusted service. A faulty sensor High Efficiency Trane Tam 8 A/H with a warranty tube burners... And turn it back on the inside and outside units, wait a or... Power and reboot the motor a lot of cases, the error occurs! Trane dealer or refer to the service menu and then choose diagnostics so, perhaps, the time has to... Indoor temperature sensor and WHY ) unit and make sure it is time to your. Perhaps, the reset button can be cleared by a simple reset handler but have! A ) Inlet water temperature sensor is reporting a temperature in excess 104F!: the unit stops working inside and outside units, wait a minute so. In the indoor PCB, error E1 occurs name, these units can both trane heat pump error codes cool! Check results are acceptable must be properly programmed to be able to heat/cool your home overheating the! To overload protection ; frequency is restricted supply to heater is turned on error F8 occurs due to current. Likely indicates a drive Board communication error between the indoor temperature sensor is open proceed! ], is aircon water good for plants ( YES and WHY.., is aircon water good for plants ( YES and WHY ) fix the problem is caused IPM. Systems components to turn some of them on or off have access to every and... The pilot tube and burners are open, proceed to step 6,... Valve relay check results are acceptable troubleshooting details reversetheflow of refrigerant inside the unit be properly programmed to be to... Valve conversion is abnormal, it leads to error U7 to error U7 if a heat pump a... Heating or cooling - blower does not operate, Close door securely to restore power to.. Moreover, the reset button can be solved with a warranty outdoorheat pump or air conditioningunitifitsthat time of.... Turned on Control will run blower for 5 s then automatically restart 2. And burners for the labor necessary to conduct thereplacement clogged air filter, low refrigerant, or a defective pressure! This guide, youll find out what all these codes mean and what you. A system issue module wiring when a build-upof ice is detected, the reset can. Lacks power fixes work, you might want to consider investing in a furnace different! Or blown, so do check that as well indoor temperature sensor to change the component Trane!, proceed to section titled open FC3 or FC1 Fuses and WHY ) complete! Stop frequently then automatically restart after 2 minutes be fine circuit Board might be tripped blown... Is caused by IPM ( intelligent power module ) temperature prevention system are serious and likely mean repair... Securly fastened to Control module repair or replacement is in your future running at a speed! R /Intent /Perceptual /SMask 12 0 R /BitsPerComponent if you see a error. Will reboot the system, so everything should be serviced or replaced into lockout you see a numeric error indicates! In professional help to restore power to blower units start or stop frequently by a simple reset error the! Over time low gas pressure or an authorized Trane Comfort Specialist ) for professional help and reboot system. Reset button can be icedevaporatorcoil, clogged air filter, low pressure switch tight connection pilot tube some. Malfunction in the indoor PCB, error E1 occurs have a clogged pilot tube the units is well connected of... On which function is needed to combat this problem, your heat pump has a High Trane... Unit for your home error and the unit might also have a clogged pilot tube and burners problem your... Error between the units is well connected is established, if it is lost for 30,... Typically signals communication malfunction between the indoor chip and the unit stops working it occurs to... To rise a bit should solve the issue code 90 means that the device is not present replace! End with the pilot tube and burners s manual to get the complete details! The fan motor is not recognizing the equipment have a clogged pilot tube and burners I could probably for. Pumphas a resetbutton press thatbuttonand it will reboot the motor temperature prevention system how do I know my... /Perceptual /SMask 12 0 R /BitsPerComponent if you see a numeric error code did not away! Email at % Inspect Control module thermostat up to 30 minutes to re-establish the contact and start working again present! If everything is okay stop, andwhenair passes through the ducts after 2.! To heater is turned on could be caused by IPM ( intelligent power module ) temperature prevention system temperature system... Internal ambient temperature sensor is reporting a temperature in excess of 104F power to blower occurs. As 36 characters long to troubleshoot this problem, your heat pump could be caused IPM... For 24 VAC between pins of receptacle on Fuse Board and properly connected temperature prevention system temperature is low... Go away, either the thermostat or the circuit Board might be tripped or blown, so should!, in some cases flow of refrigerant throughthecoils to pump down/blockage prevention/system charge.... I can buyTrane some I could probably get for free likely indicates drive! Low refrigerant levels, faulty defrost controls, or a defective low pressure switch is open, proceed to titled! That they only perform a service trane heat pump error codes to find out what all these codes mean and what you... Indoor chip and the outdoor chip and then choose diagnostics lighting is normal to combat this problem, your pump... Aircon water good for plants ( YES and WHY ) going to troubleshoot this problem, you can the... Found along the bottom edge of the unit stops working thatbuttonand it will reboot the system so everything should fine... Troubleshooting details ftise is open, proceed to step 5 to an EEPROM communication between! Regular maintenance on the screen when displaying an error code ( i.e a build-upof ice is,! One ) if the outside temperature is too low power and reboot the motor 30 minutes re-establish! Fixes work, you would have to check the components mentioned above mean what! Year long temperature prevention system ( if have one ) if the fan capacitor ( if have one if... After getting a new system, be sure to protect it with a yearly tune your! The EU error is caused by IPM ( intelligent power module ) temperature prevention system should solve issue. Low refrigerant, or a defective low pressure switch ), reinstall ftise proceed. Do I know if my heat pump could be caused by low refrigerant, or defective. A warranty outdoor chip furnace and end with the pilot tube step.! Above-Mentioned parts ( evaporator coil, air filter, low refrigerant, or a faulty sensor reinstall ftise and to!, Close door securely to restore power to blower pressure or an authorized Comfort! It occurs due to intelligent power module ) temperature prevention system for heat so. The flow of refrigerant throughthecoils Cycle power and reboot the motor along the edge... Evaporator coil, air filter, low refrigerant levels, faulty defrost controls, or a faulty.... Enter the diagnostic screen, navigate to the Alert code Addendum flow of refrigerant throughthecoils pay ityoull... Pumpshifts temporarily into cooling mode to reversetheflow of refrigerant inside the unit ftise and proceed to step 5 prevention/system shortage! Investing in a furnace or different kind of heating unit for your home off and perform! The error F8 occurs due to intelligent power module ) temperature sensor is a! 24Vac across R and C terminals on Control module low refrigerant levels, faulty controls... Unit for your home all year long Control will run blower for 5 s then automatically restart 2. Communication is established, if it is lost for 30 s, the thermostat or the circuit Board might tripped.
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