Post Tags: # Furnace # Goodman # Goodman Furnace Minhazul Abedin With an extensive background and experience in various aspects of construction and renovation, he has established himself as a trusted authority in creating beautiful and functional living spaces.October 28, 2021 Goodman furnaces have a display panel with a built-in trouble-code that uses LED lights to show the homeowner that there is a malfunction of some sort. What do these error codes mean and is there anything that you can do to fix these problems? Here is everything that you need to know. Goodman Furnace Error CodesDone That · #12 · Jul 25, 2016. You have a 2-stage furnace and a 2-stage AC only outdoor unit. So the only terminals that need to be wired for correct operation are R,C,G,W1,W2,Y1,Y2. If you posted pics of the wiring at the thermostat, furnace board, and outdoor board we could probably straighten this out.Last Udated: August 23, 2023. The Goodman 1DL error code is a common problem in Goodman furnaces. It indicates a problem with the low-voltage transformer, which provides power to the furnace’s control board and other components.View the user manual below for more details. Want a copy for yourself? Download or print a free copy of the user manual below. GAS FURNACE (INSTALLOPERATING) (viewing) Download PDF. Owner’s Manual. Top Parts. Models. Showing 10 of 12 parts. Show. 67. Ambient Temperature Sensor Fault (Out of Range – Open or Shorted) ERR 67. 6 Flash. Coil Temperature Sensor Fault (Out of Range – Open or Shorted) Low Pressure Cut Out Fault (Open outside of defrost Cycle-Hard lock out, cycle power to reset) ERR 79.The rollout switches detect heat where it shouldn’t be. Faulty switches are indicated by nine flashes on the Goodman furnace LED. You can try replacing your furnace filter or contact technicians if it does not work. Call Immediate Services To Fix Your Furnace Issues Today. You may be able to fix most of your furnace issues by following the ...Jul 1, 2022 · Brand new and it is a goodman ace furnace dont have the model number with me. Tried the reset - Answered by a verified HVAC Technician We use cookies to give you the best possible experience on our website. 67. Ambient Temperature Sensor Fault (Out of Range – Open or Shorted) ERR 67. 6 Flash. Coil Temperature Sensor Fault (Out of Range – Open or Shorted) Low Pressure Cut Out Fault (Open outside of defrost Cycle-Hard lock out, cycle power to reset) ERR 79.Jul 27, 2022 · I have problem with bryant furnace mod#379CAV036070AGJA just to call for heat the board display code #12 (HK42FZ011) so we wait some time and after that the board run a perfect cycle,run inducer,fire … View and Download Goodman AVPTC42D14 series installation & operating instructions manual online. AVPTC**14 series. AVPTC42D14 series air handlers pdf manual download. Also for: Avptc48d14 series, Avptc30c14 series, Avptc36c14 series, Avptc24b14 series, Avptc48c14 series, Avptc60d14...No Still going up this codes. F01 EE0. HVAC Technician: airheatman. If it lights and goes out try cleaning the flame sensor and see if that helps. Code says the board is not receiving signal that we are getting flame. Ask Your Own HVAC Question. HVAC Technician: airheatman.Code 1-3: Indicates that a limit flame switch problem that normally auto-resets after 3 hours. Code 1-4: Represents an ignition problem. However, the furnace will auto-reset after some hours. Code 2-1: This is a sign of gas heating lockout. You need to check if the gas valve wiring is correct.No Still going up this codes. F01 EE0. HVAC Technician: airheatman. If it lights and goes out try cleaning the flame sensor and see if that helps. Code says the board is not receiving signal that we are getting flame. Ask Your Own HVAC Question. HVAC Technician: airheatman.ERROR LIGHT = Y. SUGGESTED ACTION = Clean Condenser Coils, Check Fan for fault. Code will reset afier cleaning. CODE = C5. AIRF LOW ALERT. STATUS = Outdoor Coil temperature too high for outdoor ambient temperature. DISPLAY = N. ERROR LIGHT = Y. SUGGESTED ACTION = Check for Blocked Outdoor Air or Clean Coil.- In short: check your fuse on the circuit board. If it's tripped, replace it. I got this 5 amp fuse on Amazon: https://amzn.to/3O5JUko and here's the Nest t...Goodman error code 7P1 is IDLMar 23, 2017 · Troubleshooting GMEC96 Fault Status Codes •Fault Code Example 1: Status light displays “4 Red flashes.” •Refer to the “troubleshooting” chart on page 44 of the GMEC96 service manual. •Also, find your “fault symptoms and description” in the troubleshooting chart on pages 42-43. Purchase Your HVAC Equipment Direct | Goodman AC And Furnace ...ItsAShitParty • 1 yr. ago. 1DL means idle as in no the system is not getting any signals from the thermostat. F04 means fan CFM. The 04 would indicate 400 cfm. This is a continuous usually fan CFM. Your system is not getting any heating or cooling signal/running the fan at low speed. Dec 17, 2015 · I need your assistance with the Amana and Goodman furnace E5 error code.After the LED segment 2 shows you E and the segment one shows the 5, this is one of t... 4th of July Deals - Purchase Your HVAC Equipment Direct ... Troubleshooting GMEC96 Fault Status Codes •Fault Code Example 1: Status light displays “4 Red flashes.” •Refer to the “troubleshooting” chart on page 44 of the GMEC96 service manual. •Also, find your “fault symptoms and description” in the troubleshooting chart on pages 42-43.67. Ambient Temperature Sensor Fault (Out of Range – Open or Shorted) ERR 67. 6 Flash. Coil Temperature Sensor Fault (Out of Range – Open or Shorted) Low Pressure Cut Out Fault (Open outside of defrost Cycle-Hard lock out, cycle power to reset) ERR 79.RESULT: No signal from thermostat. FIX: Turn off power and check connections. CODE: One led that flashes. RESULT: Furnace lockout after three attempts to fire. FIX: Locate and correct gas interruption. Reset by lowering it for 20 seconds and then raise it back, furnace will reset itself after one hour. I have a Amana AM9C960603ANAA. I'm getting 2 codes on the LCD display. First is 1dl and the second one is EE5. What do - Answered by a verified HVAC TechnicianHaving a trane furnace with the code 1DL can be an indication of a problem. Understanding this code and addressing the underlying problem is key to ensuring that your furnace operates as intended. This article will discuss the trane furnace code 1DL, its potential causes, and how you can address them. — The Trane furnace code 1DL is a ... I have a Amana AM9C960603ANAA. I'm getting 2 codes on the LCD display. First is 1dl and the second one is EE5. What do - Answered by a verified HVAC TechnicianAMANA & GOODMAN FAULT CODES. 1. One led flash that stays on continuously = No signal from thermostat. Turn off power and check connections. 2. One led that flashes = Furnace lockout after three attempts to fire. Must be reset by lowering it for twenty seconds and then raise it back. After one hour furnace will reset itself. 3.specified on the furnace rating plate and OPERATIONAL CHECKS section of these instructions. When furnace duct(s) supply air outside the space contain-ing the furnace, a return air duct must terminate in the same space as the supply duct and be sealed to the furnace casing. A gas-fired furnace for installation in a residential garage goodman furnace tech support. Its a 2018 model goodman and i get 3 led flashes, the igniter glows real bright and then dims. We tried to jump the pressure switch but the furnace did the same thing it … read moreThe rollout switches detect heat where it shouldn’t be. Faulty switches are indicated by nine flashes on the Goodman furnace LED. You can try replacing your furnace filter or contact technicians if it does not work. Call Immediate Services To Fix Your Furnace Issues Today. You may be able to fix most of your furnace issues by following the ... About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...Having a trane furnace with the code 1DL can be an indication of a problem. Understanding this code and addressing the underlying problem is key to ensuring that your furnace operates as intended. This article will discuss the trane furnace code 1DL, its potential causes, and how you can address them. — The Trane furnace code 1DL is a ... Apr 14, 2022 · 1dl code has appeared on our Goodman ac, Yes to both. Since last night, reset everything, ... I hav e GMV95 Goodman Furnace and air about 6 months old. Air has worked ... View and Download Goodman AVPTC42D14 series installation & operating instructions manual online. AVPTC**14 series. AVPTC42D14 series air handlers pdf manual download. Also for: Avptc48d14 series, Avptc30c14 series, Avptc36c14 series, Avptc24b14 series, Avptc48c14 series, Avptc60d14... Apr 12, 2023 · No signal from the thermostat. Turn off the unit’s power and check connections. Single LIGHT flash. Furnace lockout due to an excessive number of ignition retries. Locate and correct gas interruption. Reset by lowering it for 20 seconds and then raise it back, furnace will reset itself after one hour. 2 LIGHT flashes. My brand new 2 ton Goodman is tripping the cb when outside 8/7/2023. I have an issue with my Goodman air conditioner, I do not 8/6/2023. I have a Goodman central air unit washed the condenser clean 8/6/2023. Ok. Opening a new thread I have got a Goodman heat pump unit 8/3/2023. I'm working on a Goodman 5 ton and the high pressure lines 8/1/2023. Dec 23, 2022 · Goodman manufacturing. it is displaying code 1dl and the green light is flashing two long, five short. anything I can - Answered by a verified HVAC Technician Most popular furnace brands in Canada There are several popular furnace brands available in Canada, and the most popular ones are: Lennox Carrier Trane Bryant York Goodman Rheem American Standard Armstrong Air Napoleon These brands offer a range of furnace... No signal from the thermostat. Turn off the unit’s power and check connections. Single LIGHT flash. Furnace lockout due to an excessive number of ignition retries. Locate and correct gas interruption. Reset by lowering it for 20 seconds and then raise it back, furnace will reset itself after one hour. 2 LIGHT flashes.To receive the Lifetime Compressor Limited Warranty (good for as long as you own your home), Lifetime Heat Exchanger Limited Warranty (good for as long as you own your home), 10-Year or 2-Year Unit Replacement Limited Warranty, 20-Year Heat Exchanger Limited Warranty, and 10-Year Parts Limited Warranty, online registration must be completed ...Select the brand from the drop down menu. 2. Next select the model number from Model drop down box. 3. Move through the remaining menus. 4. Once all menus have been satisfied push the SUBMIT button. 5. To reset the search for a new search click the SEARCH button.Dec 19, 2022 · Goodman furnace isn’t blowing hot air. First, check your thermostat if your Goodman furnace isn’t blowing hot air. It should be set to “auto” and “heat.”. If it’s set to “on,” your fan will blow air constantly, even when it’s not actively heating. Next, check your air filter. You should change your furnace air filter regularly. RESULT: No signal from thermostat. FIX: Turn off power and check connections. CODE: One led that flashes. RESULT: Furnace lockout after three attempts to fire. FIX: Locate and correct gas interruption. Reset by lowering it for 20 seconds and then raise it back, furnace will reset itself after one hour.4th of July Deals - Purchase Your HVAC Equipment Direct ... Turn off the furnace power and repair a short or replace the pressure switch. 4. Read three LED flashes to mean your furnace has an open pressure switch circuit or it has an induced draft blower operating. Check the pressure switch hose of your furnace for blocks or an improper connection.Select the brand from the drop down menu. 2. Next select the model number from Model drop down box. 3. Move through the remaining menus. 4. Once all menus have been satisfied push the SUBMIT button. 5. To reset the search for a new search click the SEARCH button.Model of the furnace: Keeprite high efficiency gas furnace Thermostat: Honeywell 4110 PRO Thermostat wiring: 4 wires [No C wire] Heating and cooling: yes I bought a new house and the furnace is one year old. Due to renovations, no one lived here so not sure it has been used. temperatures fell and I started using heating.The furnace filter is generally on the return duct right before the furnace. A dirty filter causes blockage of airflow. A dirty filter causes blockage of airflow. This results in a furnace overheating and shuts off too quickly before your house gets heated up. Troubleshooting GMEC96 Fault Status Codes •Fault Code Example 1: Status light displays “4 Red flashes.” •Refer to the “troubleshooting” chart on page 44 of the GMEC96 service manual. •Also, find your “fault symptoms and description” in the troubleshooting chart on pages 42-43.The furnace filter is generally on the return duct right before the furnace. A dirty filter causes blockage of airflow. A dirty filter causes blockage of airflow. This results in a furnace overheating and shuts off too quickly before your house gets heated up. Some simple Diy troubleshooting a Goodman furnace with no flame and the computer board putting out a number 1 flash code.Amazon link to Great products that e...goodman furnace codes The flashing LEDs on your furnace will correspond to a specific fault code that is shown here on their diagnostic chart. Goodman is one of the biggest names in home heating and energy efficient home comfort. Turn off power to the furnace and check the inlet gas pressure. Minimum Pressure = 5" w.c. for Nat. Gas, and 11" w.c. for Propane. No or Low Pressure = Bad Meter or Regulator; Normal Pressure ⇒ Continue; Re-apply power to the furnace and activate a call for heat. Make sure the inlet gas pressure stays above minimum when the gas valve energizes.Open the gas valve fully in a counterclockwise motion to make sure the gas supply is turned on. Increase the temperature on the thermostat, and turn the mode to "Heat" after making sure the vents are all clear of blockages. Disconnect the power to reset the furnace, and contact Trane if necessary.Jan 24, 2023 · goodman furnace tech support. Its a 2018 model goodman and i get 3 led flashes, the igniter glows real bright and then dims. We tried to jump the pressure switch but the furnace did the same thing it … read more Last Udated: August 23, 2023. The Goodman 1DL error code is a common problem in Goodman furnaces. It indicates a problem with the low-voltage transformer, which provides power to the furnace’s control board and other components.The CoolCloud HVAC application allows contractors to connect and communicate wirelessly via Bluetooth with Goodman and Amana premium air handler and furnace control boards. This provides a more efficient means for servicing and maintaining equipment, making configuration adjustments, gaining equipment status, performing diagnostics, viewing ... GMVC95 goodman furnace issue I had a brand new GMVC951155DXA installed in my house, along with a Comfortnet CTK03 thermostat, and brand new DSZC16 heat pump. Immediately after starting the system, I had a prompt on the thermostat that says E2 PS1 (Low pressure switch stuck open).Mar 26, 2022 · I am always available if you want to use your “Request Call Option “ And if you don’t get another message right after this greeting it’s because I’m more then likely I’m in the process of writing another message to you. that number is ***** the air conditioning coil that is on top of the furnace. The controller will indicate a fault condition by flashing the fault LED. The flashing pattern will be ¼ second on and ¼ second off for each count, if multiple faults are present it will dwell 2 seconds between each fault code, then dwell 5 seconds and repeat until the fault(s) are cleared. Listed below are the fault codes. 1 flash – Not UsedBrand new and it is a goodman ace furnace dont have the model number with me. Tried the reset - Answered by a verified HVAC Technician We use cookies to give you the best possible experience on our website.Jan 25, 2020 · 1. the thermostat demand signal is intermittent. 2. Time delay relay or control board faulty. 3. If high pressure switch is present, go to Flash Code 2 information. 4. If a low pressure switch is present, go to Flash Code 1 information. Status LED: Yellow “ALERT” Flash Code 4. Status LED Description: off rotor. CODE: 2 Flashes. RESULT: The furnace is likely blowing cold air because it's dropping the flame. CODE: 3 Flashes. RESULT: Indicates a problem with the pressure switch. CODE: 4 Flashes. RESULT: Indicates a problem with the limit switch. CODE: 6 Flashes. RESULT: Indicates a problem with the polarity or grounding. specified on the furnace rating plate and OPERATIONAL CHECKS section of these instructions. When furnace duct(s) supply air outside the space contain-ing the furnace, a return air duct must terminate in the same space as the supply duct and be sealed to the furnace casing. A gas-fired furnace for installation in a residential garage I have problem with bryant furnace mod#379CAV036070AGJA just to call for heat the board display code #12 (HK42FZ011) so we wait some time and after that the board run a perfect cycle,run inducer,fire …Goodman Furnace Fault Codes. Goodman furnaces come highly recommended by furnace specialists in Edmonton. The brand is well-built and reliable. But, as with any furnace, Goodman units can experience issues - especially since cold Alberta winters can take such a toll on these types of appliances.Select the brand from the drop down menu. 2. Next select the model number from Model drop down box. 3. Move through the remaining menus. 4. Once all menus have been satisfied push the SUBMIT button. 5. To reset the search for a new search click the SEARCH button. AMANA & GOODMAN FAULT CODES. 1. One led flash that stays on continuously = No signal from thermostat. Turn off power and check connections. 2. One led that flashes = Furnace lockout after three attempts to fire. Must be reset by lowering it for twenty seconds and then raise it back. After one hour furnace will reset itself. 3.goodman air conditioner error codesBrand new and it is a goodman ace furnace dont have the model number with me. Tried the reset - Answered by a verified HVAC Technician We use cookies to give you the best possible experience on our website.How to Replace Your Air Filter. Open the access door on your Goodman furnace by pulling it towards you, revealing the filter inside. Carefully remove the filter by hand. Vacuum any dust or debris that may have accumulated on the filter housing of the furnace. Slide in the replacement filter. ERROR LIGHT = Y. SUGGESTED ACTION = Clean Condenser Coils, Check Fan for fault. Code will reset afier cleaning. CODE = C5. AIRF LOW ALERT. STATUS = Outdoor Coil temperature too high for outdoor ambient temperature. DISPLAY = N. ERROR LIGHT = Y. SUGGESTED ACTION = Check for Blocked Outdoor Air or Clean Coil.Once again Twin Tech came through and fixed my furnace. A young man by the name of Mitch came by tonight and he was so nice explained everything he was quick he was clean he turned off the lights even when he left the furnace room it s just above and beyond Twin Tech always delivers and I just found out about them last year and I will use no one else but thanks again Mitch you are fantasticOpen the gas valve fully in a counterclockwise motion to make sure the gas supply is turned on. Increase the temperature on the thermostat, and turn the mode to "Heat" after making sure the vents are all clear of blockages. Disconnect the power to reset the furnace, and contact Trane if necessary.FIX: Check your Goodman furnace for a pinched or blocked pressure switch hose. CODE: Continuous LED flashes PROBLEM: This means that your furnace has a reversed polarity of 115 volts. FIX: You will have to correct the wiring polarity after reviewing the wiring diagram. goodman furnace codesPurchase Your HVAC Equipment Direct | Goodman AC And Furnace ...Mar 1, 2022 · Code 1 – Furnace ignition failure. The control board has detected that the furnace failed to ignite. The control board has detected that the furnace failed to ignite. This could be due to low voltage, high resistance, or dirty terminals on the furnace primary control. Mar 1, 2022 · Code 1 – Furnace ignition failure. The control board has detected that the furnace failed to ignite. The control board has detected that the furnace failed to ignite. This could be due to low voltage, high resistance, or dirty terminals on the furnace primary control. - In short: check your fuse on the circuit board. If it's tripped, replace it. I got this 5 amp fuse on Amazon: https://amzn.to/3O5JUko and here's the Nest t... Goodman Furnace Fault Codes. Goodman furnaces come highly recommended by furnace specialists in Edmonton. The brand is well-built and reliable. But, as with any furnace, Goodman units can experience issues - especially since cold Alberta winters can take such a toll on these types of appliances.ERROR LIGHT = Y. SUGGESTED ACTION = Clean Condenser Coils, Check Fan for fault. Code will reset afier cleaning. CODE = C5. AIRF LOW ALERT. STATUS = Outdoor Coil temperature too high for outdoor ambient temperature. DISPLAY = N. ERROR LIGHT = Y. SUGGESTED ACTION = Check for Blocked Outdoor Air or Clean Coil. AC furnace brands AC furnaces, also known as central air conditioning systems, are important to home comfort and energy efficiency. Many AC furnace brands are on the market, each with strengths and weaknesses. Trane is a popular AC furnace brand known for its... To receive the Lifetime Compressor Limited Warranty (good for as long as you own your home), Lifetime Heat Exchanger Limited Warranty (good for as long as you own your home), 10-Year or 2-Year Unit Replacement Limited Warranty, 20-Year Heat Exchanger Limited Warranty, and 10-Year Parts Limited Warranty, online registration must be completed ...As an armature, I have some experience troubleshooting furnace problems. I have a 1.5 ton Goodman furnace that cools and heats. The circuit bd. Is B25578-00A. The unit is 25 years old and has been wor … read moreInstructions: 1. Select the brand from the drop down menu 2. Next select the model number from Model drop down box. 3. Move through the remaining menus. 4. Once all menus have been satisfied push the SUBMIT button. 5. To reset the search for a new search click the SEARCH button. © 2011 Goodman Manufacturing Company, LP. All rights reserved.View and Download Goodman AVPTC42D14 series installation & operating instructions manual online. AVPTC**14 series. AVPTC42D14 series air handlers pdf manual download. Also for: Avptc48d14 series, Avptc30c14 series, Avptc36c14 series, Avptc24b14 series, Avptc48c14 series, Avptc60d14... Apr 14, 2022 · 1dl code has appeared on our Goodman ac, Yes to both. Since last night, reset everything, ... I hav e GMV95 Goodman Furnace and air about 6 months old. Air has worked ...
Jan 24, 2023 · goodman furnace tech support. Its a 2018 model goodman and i get 3 led flashes, the igniter glows real bright and then dims. We tried to jump the pressure switch but the furnace did the same thing it … read more . Quandale dingle it
How to Replace Your Air Filter. Open the access door on your Goodman furnace by pulling it towards you, revealing the filter inside. Carefully remove the filter by hand. Vacuum any dust or debris that may have accumulated on the filter housing of the furnace. Slide in the replacement filter. Turn off the furnace power and repair a short or replace the pressure switch. 4. Read three LED flashes to mean your furnace has an open pressure switch circuit or it has an induced draft blower operating. Check the pressure switch hose of your furnace for blocks or an improper connection.Dec 19, 2022 · Goodman furnace isn’t blowing hot air. First, check your thermostat if your Goodman furnace isn’t blowing hot air. It should be set to “auto” and “heat.”. If it’s set to “on,” your fan will blow air constantly, even when it’s not actively heating. Next, check your air filter. You should change your furnace air filter regularly. 4th of July Deals - Purchase Your HVAC Equipment Direct ... The Goodman furnace error code 1dl is a common error code associated with Goodman furnaces that indicates a problem with the hot surface ignitor. When this error code appears, it usually indicates that the hot surface ignitor has failed and needs to be replaced. This article will provide an overview of this error code and discuss how to ... About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ... We experienced a power outage and when the power came back on our furnace blows cold air but will not ignite. I believe it is a 3 yr. old Goodman model no. CAPF486OC6AA. I noticed a blinking code of 4 … read more Hi just hooked up my Goodman furnace and as soon as I put the power on the 3:00 a.m. fuse blue. AnyHi just hooked up my Goodman furnace and as soon as I put the power on the 3:amp. fuse blew. Any sugg … read moreJul 1, 2022 · Brand new and it is a goodman ace furnace dont have the model number with me. Tried the reset - Answered by a verified HVAC Technician We use cookies to give you the best possible experience on our website. Jan 25, 2020 · 1. the thermostat demand signal is intermittent. 2. Time delay relay or control board faulty. 3. If high pressure switch is present, go to Flash Code 2 information. 4. If a low pressure switch is present, go to Flash Code 1 information. Status LED: Yellow “ALERT” Flash Code 4. Status LED Description: off rotor. Most popular furnace brands in Canada There are several popular furnace brands available in Canada, and the most popular ones are: Lennox Carrier Trane Bryant York Goodman Rheem American Standard Armstrong Air Napoleon These brands offer a range of furnace... Nov 14, 2022 · operating both with a Nest Smart thermostat about 8-10 yrs old…heating program always ran fine with Lennox…now the program doesn't always work…thermostat is lit up showing it's calling for heat but furnace is not running…I turn thermostat off and back on and furnace starts to run… Display Codes D3 – Airflow CFM Mismatch Diagnostic Description Indoor air movers (air handlers / furnaces) cannot supply the airflow required for proper system operation. Possible Cause Misplaced indoor air mower-replacement with incorrectly sized air handler / furnace.Jul 13, 2022 · Goodman furnaces are among the most recognized and respected forced-air heating systems. Its reputation was built on a foundation of quality core product development, manufacturing excellence, and engineering expertise. Keeping that reputation alive means continuous improvement through product innovation and the introduction of new features reflecting advances in technology. Many components ... goodman furnace codes The flashing LEDs on your furnace will correspond to a specific fault code that is shown here on their diagnostic chart. Goodman is one of the biggest names in home heating and energy efficient home comfort.A quick look at goodman trouble codes on a goodman furnace. Some simple hints on what those codes can indicate what the problem could be. Amazon link to Gre...No signal from the thermostat. Turn off the unit’s power and check connections. Single LIGHT flash. Furnace lockout due to an excessive number of ignition retries. Locate and correct gas interruption. Reset by lowering it for 20 seconds and then raise it back, furnace will reset itself after one hour. 2 LIGHT flashes.Purchase Your HVAC Equipment Direct | Goodman AC And Furnace ... .