Heating: 85~1700kW / 150~3000kW 50 / 60Hz), M01 Module outgoing water temperature sensor problem, M02 Module return water temperature sensor problem, C00 Communication with Module Controller failed to Stop the device, C10 Communication with OD Controller failed to Stop the device, F01 Inlet water temperature sensor problem, F03 Intermediate water temperature sensor problem, F02 Outlet water temperature sensor problem, E14 Customer pump is not ready (unit) Stop the unit, C05 Communication error between OD Controller and pump Stop the unit, C01 Communication error between OD Controller and circuit Stop the unit, F08A Coil gas temperature sensor 1 problem, F09A Coil gas temperature sensor 2 problem, E04A Ejection temperature abnormality lock, C02A Communication problem between Circuit Controller and compressor, C03A Communication problem between Circuit Controller and fan, F08B Coil gas temperature sensor 1 problem, C02B Communication problem between Circuit Controller and compressor, C03B Communication problem between Circuit Controller and fan, F08C Coil gas temperature sensor 1 problem, F09C Coil gas temperature sensor 2 problem, E04C Ejection temperature abnormality lock, C02C Communication error between Circuit Controller and compressor, C03C Communication error between Circuit Controller and fan, F08D Coil gas temperature sensor 1 problem, F09D Coil gas temperature sensor 2 problem, E04D Ejection temperature abnormality lock, C02D Communication error between Circuit Controller and compressor, C03D Communication error between Circuit Controller and fan. The devices that do come with a battery compartment might not need the batteries to operate they can act as a backup power source in case of an outage. stream 2. If OK, proceed to step 2. On initial trial for ignition. on and off and then perform a service test to find out if everything is okay. Recommended action: Cycle power and reboot the system. Ambient Temperature Sensor Fault (Out of Range - Open or Shorted), Coil Temperature Sensor Fault (Out of Range - Open or Shorted), Low Pressure Cut Out Fault (Open outside of defrost Cyde-Hard lock out. The system is operating properly; no call for heat. If you feel the temperature in your house is getting higher, it may be because of heat pump fan not spinning, and therefore, heat pump not cooling. The main wayto tell if yoursystem isworkingas intended is to simply listen to the unitrunning. If the blower prover switch opens during the post-purge cycle (heater is not fir- ing) the control will display the error code. Check for faulty Control Module wiring. I think that it may have something to do with the defrost cycle. If the furnace light stays on, no matter what you do, then there is a problem with the control panel and you will, most likely, have to replace it. ~UU-WuwVovmyWW*)'F1/OIJX{"*mBhPysmDmZpv}u~d|;6bHD[xU,6nK%CYOqz}yvo7J|"TVoxzqu4uRD\\5fi/f-JgD:n?f;4]sOqq]_7 {CewZ:ubuH-wU`q1 KECw+P:*Pm_\/ Doors and windows are open Sunlight directly shines. CODE: Flashing Slow RESULT: Normal no call for heat. Connect with our Customer Care team about your products, warranties, and dealer concerns. Automatic reset is immediate after error is corrected. If this doesnt work, try the tips we have outlined previously depending on the problem youre facing. This error functions in both normal and remote thermostat modes. 3. Verify that 120VAC Voltage Selector Plug is not installed with a 240VAC field power supply. Disconnect Blower plug from Control Module. You can try removing the sensor and cleaning the component with very light grit sandpaper. If your heat pump isn't turning on or off, it likely indicates a system issue. Mostheat pumpswillrun constantlyduring the cold weather. hm%tr27{v+4yR7i9,d"c}V"'@ @ @nXpjwx5w;lV:E`:Ibt3Wlf\wlsua/;}U:C1W~D sAtr>WJ5]:n9 lc02N.1IgZqG2afW]'}HdEUH8{6-U/M-IJcBvnZly'Z:GtgN-1>b=gOae[rRQK.tVD~YsB3[bfmTiO. Error P8 is caused due to typhoon protection. By the way, the fuse might be tripped or blown, so do check that as well. 51 Condura aircon error codes + troubleshooting, 27 Kentatsu air conditioner error codes + troubleshooting, 21 Lessar air conditioner error codes + troubleshooting, 15 Timberk air conditioner error codes + troubleshooting, How to choose the best location for aircon, How to install portable aircon without window, How to keep cottonwood out of the air conditioner, Kapsul air conditioner review [WITH FACTS], Can AC be Stored Outside in the Winter? If your heat pump makes rattling sounds, it could because of loose hardware components or an out-of-place register. 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. Leakage of refrigerant or lack of refrigerant. It might also be located inside the equipment, behind the service panel. You can try to clean the pilot assembly mounts and the burners. E4 error code means that the input voltage is out of range. Check that proper Voltage Selector Plug is installed. When this occurs the compressor will not come on but the contactor closes and there is voltage through the start capacitor. It is a technical problem so contact your service technician. Ensure all plugs are securly fastened to Control Module. The P9 error signals alternate current contractor error. Disconnect plug from P5 connector from Fuse Board. A) Inlet water temperature sensor is reporting a temperature in excess of 104F. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'arlingtonairconditioningheating_com-small-rectangle-2','ezslot_22',189,'0','0'])};__ez_fad_position('div-gpt-ad-arlingtonairconditioningheating_com-small-rectangle-2-0');This error is caused by compressor phase reversal/loss. But usually, there are some conditions set by the manufacturer to avail of the warranty. Do bear in mind that the service mode screen will automatically revert back to the general display if no key had been pressed for over 30 minutes. When there is a malfunction in the indoor PCB, error E1 occurs. CH Error Code Meaning Error Code Meaning CH Error Clean Filter Whenever you face a CH Error problem in your LG air conditioner, It means just a reminder to you [], Trane VRF Air Conditioning Unit Error Codes, Trane Chiller Air Conditioner Error Codes, Heating: 85~1700kW / 150~3000kW 50 / 60Hz), Trane Belgium Chiller Module UCM-CLD Error Codes, 1) Entering water temperature < leaving WT, Superheat < 1C during more than 1333C x sec, Refrigerant temperature < Setpoint during more than 30C x sec, Refrigerant temperature < Setpoint during more than 30C x sec, Oil flow switch open during more than 20 sec, NOVRAM problem, unit is placed on default setting operating, Phase imbalance >30%, check current transformer and unit power supply, Check the setting of the compressor overload, Phase reversal protection is not operative, Oil temperature < condenser saturated temperature, during more than 30 min Oil temperature < condenser saturated temperature, Defective fan variator speed after 5 attempts, Trane HVAC Light Commercial Flash Light Blinking, Flame W/O Gas (Flame being sensed yet gas valve not energized). To find out whether or not your furnace is getting electricity, throw the thermostats fan switch to on. Measure continuity across fuse. Trane heat pump code 4. If you know how to work with wires, you can check the connections. When the zero passage is abnormal, it causes error UF. This will allow your dealer to see real-time information from your system to aid in diagnosis and repair. Error code LA indicates a problem with the outdoor fan 2. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'arlingtonairconditioningheating_com-portrait-1','ezslot_16',188,'0','0'])};__ez_fad_position('div-gpt-ad-arlingtonairconditioningheating_com-portrait-1-0');Meaning: The L9 error occurs due to over-power protection. Please change the battery to fix this error. Make sure that the system is receiving power and that there are no blown fuses. hEU[h-MBI When a furnace is not responding to the thermostat, these are a few things that you can do: One of the most common issues for any furnace-related problem is a clogged filter. Here are the things that can cause your control panel to go bad: After some time, the wires in the system might get loose because of the furnaces vibration. Error P7 is caused due to evaporators high-temperature protection. 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. Copyright 2023 Heat Pump troubleshooting, American Standard Heat Pump Troubleshooting, b. check supply registers and return grills for blockage, a. make sure main switch is in ON position, b. open circuit breaker or burned-out fuses, b. reset circuit breaker, or replace burned-out fuses. It is highly recommended that you opt into Trane Diagnostics if you have not done so already. Dealers can answer questions, help you find the right products for your home, and repair your system. If consistently cold temperatures arent causing your heating issues, trychecking your thermostat settings, and making sure your unit is powered on. E2 error code indicates a sensor failure shutdown. 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 After that, empty and then refill the refrigerant properly. Our comprehensive Trane Furnace error code guide will explain common issues, provide tips, and show you how to read your model's error codes. This error is caused when the room air temperature sensor is open or short-circuited. It is a safety mechanism that helps protect the system from overheating. The error code will be cleared upon a valid data exchange between boards. In both cases, you can try resetting the system. By pressing submit, I consent to be contacted about products and services from a local Trane dealer at the information provided. endobj This error message indicates an EEPROM ERROR. See our Privacy Policy for more information. Read: Why Does My Furnace Filter Get Dirty So Quickly. Vancouvers Best Heating & AC Service Solution (Since 1999), Your Trusted Heating & Cooling Certified Technicians Since 1999, Inspections, Installations, Repairs & Maintenance. 6 0 obj Error code EE is caused due to storage slug. 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. Mesure for 24VAC between pins 1 & 2 of plug from transformer. If your Trane thermostat is displaying an error code, check out this Trane thermostat error codes troubleshooting guide (description and possible repairs). This error is caused by compressor startup failure. Verify that 240vac Voltage Selector Plug is not installed with a 120vac field power supply, Check that proper Volatage Selector Plug is installed in Fuse Board. Our comprehensive Trane Air Conditioner error code guide will explain common issues, provide tips, and show you how to read your model's error codes. 5. If you have a programmable thermostat, the code will be alternating with the time on the display. Make sure that the furnace is receiving power, inspect the connections and the circuit board. Automatic restart 2 min after error is corrected. Heat pumps are great HVAC systems because they can both heatandcool your home, without relying on burning fuels or expensive electric heating. Trane thermostat error code 26 Meaning: The unit might be overheating (the furnace has exceeded set temperature limit). Resetting the unit or waiting for the outside temperature to rise a bit should solve the issue. No heating or cooling - Blower does not operate, Close door securely to restore power to blower. The outdoor and indoor units operate under user settings. If the outdoor unit of your AC displays error code E9, it means protection or malfunction: EEPROM malfunction. Briggs Stratton model 253707 0411 01 engine . What to do: We suggest that you switch off both the furnace and your AC (and wait a couple of minutes). Youshouldreplaceyour indoor air handler at the same time as your outdoorheat pump or air conditioningunitifitsthat time of year. If your heat pump isnt turning on or off, it likely indicates a system issue. Check for Low & High Voltage Output from Fuse Board. Simply press the key that says Service Mode to enter the menu. 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). %PDF-1.3 Remove FC3 fuse from fuseholder. After getting a new system, be sure to protect it with a warranty. Why Trane Thermostat WiFi Is Not Working? Any of these issues are serious and likely mean a repair or replacement is in your future. The U3 error means sensor connection error code. It is quite challenging for a homeowner to figure out by himself, if the control board had actually gone bad or not to solve such a riddle, you would have to know exactly how the system is attached to works. The device has to be set to heat, it should be properly attached to the wall and you shouldnt be able to see any loose or frayed wires. This error is caused when the condenser temperature sensor of the outdoor unit is open or short-circuited. If OK, proceed to step 3. Yourheat pumphas a resetbutton press thatbuttonand it will reboot the motor. All trademarks referenced are the trademarks of their respective owners. If you see a numeric error code (i.e. 4ez!h7@}!8CL7h7x^h~3fh~yh4c9s^3gC @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ $mvHlyb\3@ @ @ (y:&vI}K6~ fWUgbj+v1koD+EKeu_wCE]*n z=1^unUGSom4jbr^wv It appears on the outdoor unit. Reset your Wi-Fi connection and retry the culprit is typically your Internet connection. This error occurs due to a drive board temperature sensor error. As theexpansion valveoperates under high pressures and is temperature sensitive, improper working conditions, as well as impurities inside the loop, cancauseits deregulation and malfunction. PROBLEM: Communication fault of the outdoor chip and the indoor chip CODE: E3. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'arlingtonairconditioningheating_com-small-square-1','ezslot_23',186,'0','0'])};__ez_fad_position('div-gpt-ad-arlingtonairconditioningheating_com-small-square-1-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'arlingtonairconditioningheating_com-small-square-1','ezslot_24',186,'0','1'])};__ez_fad_position('div-gpt-ad-arlingtonairconditioningheating_com-small-square-1-0_1');.small-square-1-multi-186{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}This error is caused due to a stalled motor. Read: Why Furnace Is Running But Not Blowing Air? Verify that FI Fuse on Control Board is not open. Another possible issue that caused the system to lock out is humidity in the unit. To reset the system at the unit, cycle the unit power by turning the disconnect switch "Off" and then "On". If you hear strange noises coming from your heat pump, its likely a sign theres a problem. To find out what the error code indicates, contact your Trane dealer or refer to the Alert Code Addendum. However, youshouldprobably opt toreplacetheentireoutdoorunitat the same time. Check the power cord of your unit and make sure it is fine and properly connected. Can you replace just the outside unit of a heat pump? 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. Trane XL1050 comfort zone 2 has error codes 91.03, 91.05, 91.06 but so far only in heating not in cooling. Error ###.## or Err ###.##), please contact your local HVAC dealer for service. Because sometimes condenser coils have a blockage of dust. If thats the case with you, dont worry. Meaning: Hard lockout (low pressure switch is open). Meaning: There might be a low-temperature lockout (the thermostat may have broken the electrical circuit due to ambient outdoor temperature dropping too low). Cooling: 85~1700kW / 150~3000kW All trademarks referenced are the trademarks of their respective owners. At times, all you would have to do is turn off the outdoor and indoor units, turn them back on, and give the system a few minutes to re-establish the communication. 3. Everything else works on it but no cooling. EXHF 018-070 - 60 Hz Only qualified personnel should install and service the equipment. And oh, check the refrigerant. And if you suspect that the issue could be caused by an external humidity sensor problem, check the Hs & Hp terminals (Dont forget to check your remote humidity sensor for damage/malfunction). Locate and then remove the front access panel. Set your thermostat to 78F for a few hours. If the problem isnt subsiding, call in an HVAC professional to troubleshoot. 2 0 obj 3. 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. First, try power cycling. Verify low voltage input to Control Module. 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. If one of the keypad buttons is closed (or pressed) for more than 30 s the error code will be displayed but the control will continue to function. This error code means there is a capacitor charging error. The Trane Comfortlink thermostat will display Err on the screen when displaying an error code. Suggested fix: Try to reset the system. Unit is a split heat pump, 18 tons, read more Andr R. Director DEC 3,011 satisfied customers New HVAC install, 5 ton Trane XV20i variable with air New HVAC install, 5 ton Trane XV20i variable with air handler. The information given below can be helpful for you then. Friend of mine has a High Efficiency Trane Tam 8 A/H with a XL850 Trane Stat. Here I am going to tell you how to fix CH Error in LG AC. Cleared alarms on air handler but still have alarms on T-stat. It is highly recommended that you opt into Trane Diagnostics if you have not done so already. Should I turn my heat pump off in extreme cold? After that, a microprocessor control determines the correct defrost cycle to utilize, which then clears the frost from your coil to address the issue. FIX: This is only an issue if you have raised your thermostat and your furnace doesn't respond. If you feel the temperature in your house is getting higher, it may be because of heat pump fan not spinning, and therefore, heat pump not cooling. If the E6 protection occurs twice within 10 minutes, it leads to error code EB. Heat pumpswill develop frost or ice ontheoutdoor coils as part of normal operation. In case that didnt help, locate the breaker panel and the circuit that controls the panel. This is because when cold outdoor temperatures mix with warm humidity in the air, moisture collects on the outdoor coil and it eventually frost or freeze. Remove FC1 and FC2 fiises from fuseholder. If the detail code is 5 then the issue is between the main board and fan board. This usually happens when you switch between heating and cooling or when you turn the system off and on too fast. System idle means that the equipment is not on at the moment, but it will start functioning once the 3-5 minutes wait period is over. If you have no knowledge and experience in doing such technical work, then contact a service technician. By clicking ', Heat pump troubleshooting: When to call a professional. If 24VAC is not present, replace Transformer. If the problem persists, check if the low pressure switch is faulty- it causes most of the stubborn 79 error codes. Many owners elect to replace units closer to 10-15 in order to upgrade to a more efficient model. Just like with the Service Mode, the device will return to its regular display, if no one presses the keys for 30 minutes. By doing these steps you can solve the problem: Hope you find the solution and fixed your air conditioner problem. Should I replace compressor or whole unit? It is caused due to low-pressure prevention system. 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. Read: Trane Error Code 126 Troubleshooging Guide. Error E2 is caused due to anti-freezing protection. Incorrect Thermostat Settings If you set your thermostat at a temperature that is either too high or too low, your heat pump would have to run constantly to maintain the set temperature. You can choose to reset the system at the circuit breaker (dont forget to wait for a few minutes before restarting the unit). Is it normal for a heat pump to run all the time? ROMA Heating Cooling HVAC certified technicians. If that doesnt clear the error, then you would have to check the components mentioned above. Clean the filters of your air conditioner. True, the efficiency does decline slightly as the temperature goes down, but even at verycold, single digit temps,heat pumpefficiency is impressive and always better than any other setting on your thermostat. The unit will selectively turn the dampers, heaters, compressor, etc. If you suspect your heat pump is frozen, wait a few hours without doing anything to see if the ice melts and the unit defrosts itself. Blower vacuum switch closed when expected open error. 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. The problem occurs due to a communication error between the IR341 and the main board. If valve is closed but flame is sensed the blower will run for 5 s then start a new ignition sequence. If short exists, replace Gas Valve. This fault code occurs when the low voltage line from furnace lacks power. Also, ensure that the core wires are well-insulated. 5. Disconnect plug from P4 connector from Fuse Board. Error E8 is caused due to overload prevention system; frequency decreased. Your thermostat controls your heat pump, so if the heat pump isnt turning on or off it could be because your thermostat isnt able to relay that message to the heat pump. % ManualsLib has more than 1001 Trane Heat Pump manuals. SUMMARY OF ALERT CODE & CHARGE ASSISTTM I-EDS Alert Code 90 68 67 79 102 67 113 67 114 50 123 80 Description Excessive Communication Errors Loss of Heat/Cool Demand Message (COMM) Loss of Bit Master (Clock Signal) Defrost Fault A Defrost Fault B and/or C Defrost Fault A and [B and/or C] Ambient Temperature Sensor Fault 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. However, if theheat pumpisrunning constantlyin the cooling mode during the summer, then there could be a problem. : SOV stuck in heating, shorted ambient sensor, open coil sensor, closed TXV,OD motor failure, OD fan on in defrost, undercharged unit. The defrost control has two sensors: one inputs the outdoor temperature and one inputs the coil temperature to the defrost control. Ensure that they are not leaking any gas and that the valves are not stuck. If the switch does not close after the blower starts the control will go into lockout with the blower running. Disconnect Igniter plug from Control Module. endobj 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. 7 0 obj If 24VAC or 120VAC is not present, replace Transformer. If OK, replace Control Module. Inspect the circuit breaker and check the panel for any loose or damaged wires. If OK, reinstall ftise and proceed to step 6. Ensure all plugs are securely fastened to Fuse Board. When corrected, control will run blower for 5 s then automatically restart after 2 minutes. Meaning: As mentioned earlier, Error Code 79 simply says low pressure switch open. Normal operation resumes when temperatures stabilize. Trane Furnace Error Codes A Slowly Flashing Light The system is operating properly; no call for heat. We created this website in order to help our visitors to find proper information about HVAC troubleshooting, repair and most frequent questions about it, American Standard Furnace Troubleshooting Guide, Why Does My Furnace Filter Get Dirty So Quickly.