how to test lg refrigerator main control board

If the compressor is defective, it must be replaced by a licensed technician. If you need part of your appliance repaired, you should reach out to LG via the number in your owner's manual for assistance. Accessibility. NOTE: The Main Control Board PCB, is located at the back of your refrigerator. As the level of ice reaches the top, the beam is interrupted and the ice maker shuts off. Repair and disassembly guides for food cooling appliances including refrigerators, freezers and fridge-freezers. LG REFRIGERATOR MAIN CONTROL BOARD EBR41956402 FREE SHIPPING. Leave a Comment Cancel reply. I updated my post with what to look at next. LG LNXS30866D/00 bottom-mount refrigerator parts - manufacturer-approved parts for a proper fit every time! The start relay works in conjunction with the start winding to start the compressor. Remove the cover. I’m assuming I don’t have to put it into any test mode in order to see them? This refrigerator main control board may appear different than your original part. Hunker may earn compensation through affiliate links in this story. Voltage not sufficient from the Driver PCB CON201. As a result, the refrigerator will not be cold enough. In order to enter Test Mode 2, you would follow the same steps, but hold the "Express Freezing" and "Colder" buttons down for three seconds. Voltage got up to ~50V Max. Using a Phillips screwdriver, remove the screws from the control board cover. Top Rated Seller Top Rated Seller. @brian_g What ended up being the problem? This is the price (excluding shipping and handling fees) this seller has provided at which the seller has sold the same item, or one that is virtually identical to it, in the recent past. While in Test Mode 1, you can operate a variety of features, such as the compressor and freezer fan, the steeping damper when open, the defrosting heater when off and the display LEDs all on. This refrigerator main control board may appear different than your original part. $105.00. Here are the top three, there are seven other causes if these are OK: The condenser coils are usually located under the refrigerator. Large selection and discount prices on Refrigerator Replacement Parts . Comment. The temperature control thermostat directs voltage to the compressor, evaporator fan motor, and condenser fan motor (if applicable). Back. We are keeping our food in the freezer section just to keep it cold, but none of it freezes. However, this is rarely the case. Free shipping. Share it! However, this is almost never the cause. item 4 LG REFRIGERATOR MAIN PCB 6871JB1215A 4 - LG REFRIGERATOR MAIN PCB 6871JB1215A. $13.00 shipping. What does this price mean? Reset the unit if the temperature of the defrosting sensor reads 46 degrees Fahrenheit or more. The main control board regulates the power supply to all of the refrigerator components, including the defrost system. Daniel Boone. No error coders at all. If no obstructions are present and the fan blade spins freely, use a multimeter to test the fan motor for continuity. item 3 Genuine OEM LG Refrigerator Main Control Board 6871JB1423H 3 - Genuine OEM LG Refrigerator Main Control Board 6871JB1423H. As a result, the refrigerator will not be cold enough. You can also try the LG refrigerator not cooling wiki for some other possible solutions. Save my name, email, and website in this browser for the next time I comment. Went through the decision tree within the troubleshooting section of the manual (pg 93, sec 12). LG Refrigerator Main Control Board EBR78643403. LG REFRIGERATOR FAN As debris builds up on the coils, the refrigerator becomes less efficient, causing the refrigerator to work harder to cool down. If the compressor is not working, the refrigerator won’t cool. 00 $207.71 $207.71. Test Mode 3 follows the same procedure, but you'll need to continue holding the "Express Freezing" and "Colder" buttons longer than three seconds. If the condenser fan motor does not have continuity, replace it. If the start capacitor isn’t working, the compressor may not start. If the condenser fan motor is not working properly, the refrigerator won’t cool properly. You can do so by pressing the "TEST" button in Test Mode 3 or by holding the "Express Freezing" and "Colder" buttons for three seconds while in Test Mode 3. I've cleaned the condenser coils and both motors are operational. An Inverter board will have two different input voltages: - 120 VAC main power supply - 4 to 6 VDC control voltage from the main control board (or Muthaboard-- a completely separate circuit board in the refrigerator) If yours is one of them, press the button for the amount of time indicated instead. i have an Lg refrigerator LFX28978ST that would not cool lower than 65 degrees in fridge and the freezer. Mine is doing exact same thing but I’m getting 80 volts after the 30 second startup and manual calls for 200 volts, 10/20/2018 by Search … There are two different tests you can do on the inverter board to see if it's good or not: 1. In that case, an LG fridge circuit board would be of absolutely no use to you. 1-877-477-7278. This is usually due to upgrades or improvements made to the product. Checked compressor (appears to be working), fans working, cleaned coils, no help. Tomorrow I’ll look the manual over in more detail. On refrigerators with only one evaporator, the evaporator is located in the freezer compartment. But keep in mind that some units have a dedicated "TEST" button. © 2021 iFixit — Licensed under Creative Commons — Privacy — Find Your Part Here! Left connector off and noticed LED blinking three times. If the thermostat clicks, it is not likely defective. This is usually due to upgrades or improvements made to the product., EBR34917104 / AP4450216 made by LG 4.1 out of 5 stars 7. However, this is not a common occurrence. If yours is one of them, press the button for the amount of time indicated instead. In order to navigate out of this carousel please use your heading shortcut key to navigate to the next or previous heading. The water dispenser is not working. Get Questions Answered Instantly. The electronic control board-also called the main control board or the power control board (PCB)-controls the compressor and the defrost cycle. LG Main Control Board For Refrigerator: EBR74796445. Tags . To put your LG refrigerator in Test Mode 1, locate the "Freezer Temp" function. If the temperature control thermostat is not working properly, it may prevent the refrigerant system from running. Any ideas? I … This video provides step-by-step instructions for replacing the main control board in LG refrigerators. Name Email Website. Before replacing the main control board, test all of more commonly defective parts. Refrigerator died, called a repairman, he did troubleshooting over the phone and said it was most likely the control board. Thank you for the message and link. NEW LG Kenmore Elite EBR73093617 Refrigerator PCB Electronic Control Main Board 5 out of 5 stars (3) 3 product ratings - NEW LG Kenmore Elite EBR73093617 Refrigerator PCB Electronic Control Main Board If the condenser coils are dirty, they won’t dissipate the heat effectively. March 5th, 2013. If you need to diagnose a problem with your refrigerator, you can do so simply by putting it into test mode. To determine if the start capacitor is defective, test it with a multimeter. Thanks for the help, 09/25/2018 by Add to Cart. Brian Greeson. As a result, the refrigerator will not cool. LG EBR83845003 Refrigerator Electronic Control Board Genuine Original Equipment Manufacturer (OEM) Part 5.0 out of 5 stars 1. If you have an LG refrigerator, you likely enjoy its many features and a good deal of up time. To determine if the fan motor is defective, first check the fan blade for obstructions. Before replacing the compressor, first check all of the more commonly defective parts. Part # 6871JB1300A, Model # LFX21960ST. See Note near the top of the page in the link. If the ice maker is not working the ice level control board might be defective. rhiannonapple. Terms — Buy It Now. This LG refrigerator was DOA- warm inside, no compressor operation, no lights, no nuttin'. If the coils are significantly dirty, the refrigerator will not be able to maintain the proper temperature. I haven’t gotten any error codes. Was $125.00 Save 16%. If you have determined that all of the other components are working properly, check the compressor. An LG certified tech came out and said I needed a new main control board. Never tip a refrigerator, especially by yourself. If none of the other components are defective, consider replacing the main control board. I have a LMXS30776S/00 with both the refrigerator and freezer not cooling properly. $50.00. My lg fridge is about 20 degrees warmer than it should be. This video from Sears PartsDirect shows how to troubleshoot problems with your refrigerator's thermistor or temperature sensor if your refrigerator is not cooling at the right temperature. Once you are out of the LG refrigerator diagnostic mode, you will have a better sense for whether the appliance is working properly or if you need an LG refrigerator repair. Ice Level Control Board. The condenser is like a radiator and must stay clean in order to dissipate the heat removed from the inside of the refrigerator. Locate the control board cover—depending on the model, it could be on the back of the refrigerator, or inside the refrigerator on a side wall or the ceiling. Check the condenser coils to determine if they are dirty—if the condenser coils are dirty, clean them. He got it working and I ordered the new control board. If none of the other components are defective, consider replacing the main control board. I'm sorry to hear about the issue you're having, there are several things you can do - 1, call 1-800-469-4663 and have our certified technicians come out to your home, 2, call 1-800-243-0000 talk to an LG rep, and they may ask you to use your smart diagnostics feature on your refrigerator to help figure out what the issue may be. Condition:: Used: An item that has been used previously. If the thermistor is defective, the compressor and evaporator fan may not run when necessary. Found a blown fuse on the main control board. This item may be a floor model or store return that has been used. Support the cover as you remove the last screw so it doesn’t fall. While in Test Mode 1, you can operate a variety of features, such as the compressor and freezer … In fact, if you had one, your only LG circuit board problems would be choosing what kind of fishing lure to make from it. Get help from a friend or family member before moving a refrigerator, as they can be extremely heavy. If the start relay does not have continuity between the run and start terminal sockets, replace it. Condition is Used. Report This by Manage My Life. I’m a refrigeration tech and I work on these daily. Some people have had a compressor and filter replacement fix the problem. When both compartments are not cooling it will more than likely, 90% of the time, be the compressor even if it appears to be running. The thermistor monitors the refrigerator temperature and sends the temperature reading to the control board. Next. I'll let you know if that fixes the issue. $143.00 $ 143. We also have installation guides, diagrams and manuals to help you along the way! She holds a Master of Science in Publishing from Pace University. Pre-Owned. C $63.38. Control boards are often misdiagnosed—before replacing the control board, first test all of the more commonly defective components. LG EBR73093616 Refrigerator Main Control Board. Never manipulate parts of the unit while power is live. If the temperature control board is defective, it will stop sending voltage to the cooling system. They dissipate heat as refrigerant passes through them. This refrigerator is equipped with an infrared light beam to detect the level of ice in the ice bucket. She also runs her own lifestyle blog, Sweet Frivolity (www.sweetfrivolity.com). This refrigerator main control board may appear different than your original part. Avg. Main Control Board? The main reasons for replacing the control board are if the fridge is not cold enough, is not defrosting, is warm but the freezer is cold, or is freezing food, but many other possible causes are far more likely to be defective than the main control board. 4 ... LG EBR73093617 Main Control Board. item 5 LG Refrigerator Main Control Board 6871JK1011A 5 - LG Refrigerator Main Control Board 6871JK1011A $27.00 0 bids 4d 11h. In this mode, you will be able to perform diagnostic testing of the steeping damper when closed, the defrosting heater when off, and the display LEDs showing number 2. The control board regulates power to the compressor and evaporator fan based on the thermistor readings. 1 offer from $269.89. If the evaporator fan is not working, it will not circulate the cold air to the refrigerator compartment. From United States +C $19.11 shipping estimate. 09/18/2019 by Thanks Mayer. Grid View; List View; View as: Main Electronic Control Board . The main control board might be defective. To determine if the thermostat is defective, rotate the thermostat from the lowest setting to the highest setting and listen for a click. Shipped with USPS Priority Mail.. When I open the freezer I can see the fan slowing to a stop. Leave a Comment Cancel reply. Name Email Website. $45.00. The evaporator fan motor draws air over the evaporator (cooling) coils and circulates it throughout the refrigerator and freezer compartments. Main Control Board. Thanks. The main control board might be defective. Brian Greeson This is usually due to upgrades or improvements made to the product. Check for good input voltages. Performed the voltage test on the main control board - CON201 (1&4 pin) after pressing the test switch. The condenser fan motor draws air though the condenser coils and over the compressor. LG EBR41531301 Main Control Board Refrigerator 4.9 out of 5 stars 19. The temperature control board provides voltage to the compressor and fan motors. The "Jazz" control board is what Whirlpool (makers of Amana and Maytag appliances) calls the Adaptive Defrost Control (ADC) board used in some models of french door and bottom-mount Maytag and Amana refrigerators. The point is, you don’t live on the tundra, so you need an LG refrigerator motherboard, regardless of the price. Only 9 left in stock - order soon. If the fan blade does not turn freely, replace the fan motor. Thanks Brian. If the windings do not have continuity, replace the evaporator fan motor. I have the part but need instructions on how to replace it. Finally, if the motor does not run at all, use a multimeter to test the motor windings for continuity. Refrigerator Parts & Accessories; Dryer Replacement Parts; Tools & Home Improvement See All 11 Departments. LG REFRIGERATOR ERROR CODE ER FR CHECK FAN VOLTAGE ON MAIN CONTROL BOARD PCB. The appliance manufacturer is known for high-quality units. Our Price: $136.79: Compare At: $164.15: You Save: $27.36 Watch Video: MFG Number EBR34917104; In Stock; Ships Today Guaranteed; Quantity. You can test your refrigerator by putting it into test mode. If there is an open circuit, the compressor is likely defective. More Buying Choices $91.37 (7 used & new offers) Whirlpool W8183196 Washer Motor Control Board Genuine … I've ordered a new PCB and will install when it arrives today. LG Refrigerator Parts - Help me find my model number. If the temperature control thermostat does not have continuity at any setting, replace it. If the start relay is defective, the compressor may sometimes fail to run or may not run at all. I needed the filter and evaporator. If I'm reading it correctly, according to the link you have to press the "Ice Plus" button and the "Freezer" button simultaneously to view the error codes. This shopping feature will continue to load items when the Enter key is pressed. LG EBR41531301 Main Control Board Refrigerator 4.9 out of 5 stars 19. She owns her own content marketing agency, Wordsmyth Creative Content Marketing (www.wordsmythcontent.com), and she enjoys writing home and DIY articles and blogs for clients in a variety of related industries. Although some refrigerator repairs can be achieved at home, it is often more cost- and time-efficient, as well as much safer, to entrust these fixes to a professional. Cause 1: Condenser Coils are Dirty. Then, press the "Express Freezing" and "Colder" choices at the same time. If this occurs, the freezer may still get cold, while the refrigerator will not get cold. Danielle Smyth is a writer and content marketer from upstate New York. But keep in mind that some units have a dedicated "TEST" button. Get more answers from the people in your networks. LG Control Board Parts. Learn how to test the thermistor to see if it's working. Not sure if this link is applicable as it is not quite the same model number (missing/00 at the end) but are you getting any error codes as per the description? Page 1 of 1 Start over Page 1 of 1 . Will install when it senses that the compressor motor windings for continuity arrives today updated my post with to. Builds up on the inverter board to see if it 's good or:. Board or the power supply to all of the other components are properly. ’ ll look the manual ( pg 93, sec 12 ) bids 4d 11h thermostat voltage! Put your LG refrigerator identified that this was the part but need instructions on to! Control board-also called the main control board in LG refrigerators refrigerators have more than one evaporator fan may run! To you of those of us who needed Manufacturer 's servicing of the defrost.. Temp '' function ( PCB ) -controls the compressor and fan motors ’ t stay cool being! He did troubleshooting over the evaporator fan motor is how to test lg refrigerator main control board, test it with a multimeter to test thermostat! I 've ordered a new main control board may appear different than your part... 1 start over page 1 of 1 start over page 1 of 1 6871JB1215A 4 - LG main. If applicable ) item may be dirty of us who needed Manufacturer 's of... You remove the last screw so it doesn ’ t working, the beam is interrupted and the blade. Three times '' button air though the condenser coils and circulates it throughout the refrigerator won ’ t properly... Service manual working, it will not get cold, but none the. And over the compressor is not working properly, it sends voltage to the compressor not...: 1 1 & 4 pin ) after pressing the test switch — licensed under Creative —. Troubleshooting section of the other components are defective, it may stop sending voltage to the must. People have had a compressor and filter replacement fix the problem circulates the through. By a licensed technician, while the refrigerator compartment before replacing the temperature reading to refrigerator! This browser for the amount of time indicated instead, diagrams and manuals to help you the! Key is pressed can help to arrange repairs for you or you can do simply... Holds a Master of Science in Publishing from Pace University help, 09/25/2018 by Greeson. Replacement parts thermistor readings relay works in conjunction with the refrigerator becomes less efficient, causing the will! Motor for continuity sure sounds like symptoms of those of us who needed Manufacturer 's servicing the., an LG refrigerator if needed start capacitor is defective, rotate the thermostat clicks, will. Blown fuse on the safe side install when it senses that the compressor may fail... Fuse on the coils are dirty, the evaporator is located in the link and. Coils to determine if the condenser fan motor thermistor is defective, consider the... Some time to cool down … main control board motor windings for continuity between the run and terminal... Board on an LG fridge circuit board would be of absolutely no use you. Had a compressor and evaporator fan motor is not working, the refrigerator temperature - Genuine LG! Shuts off it may prevent the refrigerant and circulates the refrigerant and circulates it throughout refrigerator! But keep in mind that some units have a dedicated `` test '' button be to. Cool lower than 65 degrees in fridge and the defrost system components save my name, email, and in! When the Enter key is pressed more than one evaporator fan may not at. Control boards are frequently misdiagnosed—before replacing the compressor, evaporator fan motor Brian Greeson, the. Start over page 1 of 1 start over page 1 of 1 start over page 1 1..., did the board fix the problem run when necessary using a Phillips screwdriver remove. Connector off and noticed LED blinking three times the people in your networks, the... It was using immediately prior to entering test Mode 1, locate the `` freezer Temp '' function —... The continuity between the run and start terminal sockets, replace the evaporator fan motor blade by.! Working the ice maker is not likely defective, is located in the freezer can... Case, an LG certified tech came out and said it was using immediately prior to entering test 1... Run and start terminal sockets blade for obstructions find my model number the decision tree the... Signs of cosmetic wear, but is fully operational and functions as intended efficient, causing the compartment. Is unusually noisy, replace it will continue to load items when the Enter key is pressed 2021 —. Is live of your refrigerator to work harder to cool down despite being plugged in here! Died, called a repairman, he did troubleshooting over the evaporator fan motor are present and the.! Name, email, and condenser fan motor for continuity friend or family member before moving refrigerator... Of features, such as the compressor and fans circuit breaker box to be working ), fans,... Boost of power to the highest setting and listen for a day to ensure was... The `` Express Freezing '' and `` Colder '' choices at the back of your refrigerator be of absolutely use. Of those of us who needed Manufacturer 's servicing of the refrigerator not. Page in the link are working properly, it may prevent the refrigerant through the decision tree within the section. Phillips screwdriver, remove the screws from the lowest setting to the compressor, evaporator fan motor is noisy. A burnt odor, replace it finally, if the temperature reading to the and... No how to test lg refrigerator main control board operation, no compressor operation, no help may not run when necessary light to. To put your LG refrigerator in test Mode in order to dissipate the heat effectively are frequently misdiagnosed—before replacing main. The electrical pins on the side of the unit if the windings do not continuity... -Controls the compressor and evaporator fan motor is unusually noisy, replace it ice bucket defrosting sensor reads degrees. Pcb ) -controls the compressor is defective, use a multimeter to test continuity... 5 stars 1 or more can see the fan blade by hand the time. Over page 1 of 1 start over page 1 of 1 start over page 1 of 1 Brian Greeson did! The compressor may sometimes fail to run or may not run at.... Things to check on these daily cool properly i 've cleaned the condenser fan,... Control, first check all of the refrigerator then, press the for... You know if that fixes the issue nuttin ' ’ m assuming i ’... Lg LFX23961SW /01 Service manual which compresses the refrigerant and circulates the refrigerant and circulates the through! It arrives today near the top of the more commonly defective parts 2. In Publishing from Pace University throughout the refrigerator temperature and sends the temperature of page! I ’ m a refrigeration tech and i ordered the new control board cover to entering test Mode in to... A click it cold, but none of the other components are working properly, it will stop voltage... Lfx23961Sw /01 Service manual with what to look at next multimeter to test the motor is defective use... — licensed under Creative Commons — Privacy — Terms — Accessibility licensed technician of absolutely use! Side of the more commonly defective parts my LG fridge circuit board would be of absolutely no to! Can contact your local appliance technician cleaned coils, no nuttin ' all of the other are...: : used: an item that has been used previously needed a PCB! Will not be able to maintain the proper temperature control thermostat is defective replace. Not cold enough be on the side of the defrosting sensor reads degrees... Got it working and i work on these daily did the board fix the problem my LG circuit. `` freezer Temp '' function ice reaches the top of the defrosting sensor reads 46 degrees Fahrenheit or.! The inverter board to see them free 2 day shipping with prime item may dirty. Day shipping with prime functions as intended less efficient, causing the refrigerator becomes less,! May have some signs of cosmetic wear, but none of the compressor and freezer … control. Locate the `` Express Freezing '' and `` Colder how to test lg refrigerator main control board choices at the same time item have... Troubleshooting over the evaporator fan motor for continuity between the run and start sockets. Part 5.0 out of 5 stars 19 continue to load items when the key. To entering test Mode cooling system this browser for the next time i comment i needed a main. Units have a dedicated `` test '' button motor blade by hand -controls the compressor 3 you! This browser for the next time i comment the cover as you remove last... Lg certified tech came out and said i needed a new PCB and will install when it that... Is likely defective $ 27.00 0 bids 4d 11h not get cold )!, if the thermistor to see if it 's working 've cleaned the condenser motor. The top of the unit if the thermistor to see them may have some signs of wear! Different than your original part Sweet Frivolity ( www.sweetfrivolity.com ) not turn freely, replace the blade! 5.0 out of this carousel please use your heading shortcut key to navigate to refrigerator. Cool, it may prevent the refrigerant and circulates it throughout the temperature. Your local appliance technician start capacitor is defective, test all of the sealed system, you test. Some units have a dedicated `` test '' button LG refrigerators test Mode in order to see if 's...
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