Daniel Boone. © 2021 iFixit — Licensed under Creative Commons — Privacy — I needed the filter and evaporator. The start capacitor provides a boost of power to the compressor during start-up. LG Refrigerator Main Control Board EBR78643403. If you have determined that all of the other components are working properly, check the compressor. I updated my post with what to look at next. This is usually due to upgrades or improvements made to the product., EBR34917104 / AP4450216 made by LG New (Other) 5.0 out of 5 stars. Never tip a refrigerator, especially by yourself. If the evaporator fan is not working, it will not circulate the cold air to the refrigerator compartment. The main control board might be defective. If yours is one of them, press the button for the amount of time indicated instead. Reset the unit if the temperature of the defrosting sensor reads 46 degrees Fahrenheit or more. 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. If you need part of your appliance repaired, you should reach out to LG via the number in your owner's manual for assistance. If the condenser coils are dirty, they won’t dissipate the heat effectively. If you need to diagnose a problem with your refrigerator, you can do so simply by putting it into test mode. 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. This item may be a floor model or store return that has been used. Add to Cart. Next. Terms — If you do decide to undertake refrigerator repairs on your own, be sure you unplug the unit before doing anything other than pressing buttons on the control. To put your LG refrigerator in Test Mode 1, locate the "Freezer Temp" function. To determine if the evaporator fan motor is defective, try turning the fan blade by hand. To determine if the start relay is defective, use a multimeter to test it for continuity between the run and start terminal sockets. You can test your refrigerator by putting it into test mode. If the ice maker is not working the ice level control board might be defective. Never manipulate parts of the unit while power is live. Brian Greeson She holds a Master of Science in Publishing from Pace University. I haven’t gotten any error codes. I’m assuming I don’t have to put it into any test mode in order to see them? Pre-Owned. This refrigerator is equipped with an infrared light beam to detect the level of ice in the ice bucket. If none of the other components are defective, consider replacing the main control board. 1-877-477-7278. The electronic control board-also called the main control board or the power control board (PCB)-controls the compressor and the defrost cycle. I've cleaned the condenser coils and both motors are operational. As a result, the refrigerator will not cool. 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. However, this is almost never the cause. Main Control Board. SPONSORED. Ice Level Control Board. Condition:: Used: An item that has been used previously. Avg. To determine if the thermostat is defective, rotate the thermostat from the lowest setting to the highest setting and listen for a click. If the start relay is defective, the compressor may sometimes fail to run or may not run at all. The thermistor resistance should change in conjunction with the refrigerator temperature. Name Email Website. $199.99. Before replacing the main control board, test all of more commonly defective parts. The appliance manufacturer is known for high-quality units. 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 fan motor is not working properly, the refrigerator won’t cool properly. Doing this will restore your refrigerator to the settings it was using immediately prior to entering test mode. @brian_g. Save my name, email, and website in this browser for the next time I comment. This is usually due to upgrades or improvements made to the product. Save my name, email, and website in this browser for the next time I comment. Thanks, 09/24/2018 by An LG certified tech came out and said I needed a new main control board. LG Refrigerator Parts - Help me find my model number. You can also try the LG refrigerator not cooling wiki for some other possible solutions. Learn how to test the thermistor to see if it's working. 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. Support the cover as you remove the last screw so it doesn’t fall. item 3 Genuine OEM LG Refrigerator Main Control Board 6871JB1423H 3 - Genuine OEM LG Refrigerator Main Control Board 6871JB1423H. I also unplugged it for a day to ensure there was no ice build up. If the temperature control thermostat is not working properly, it may prevent the refrigerant system from running. If yours is one of them, press the button for the amount of time indicated instead. Thanks. Leave a Comment Cancel reply. $45.00. rhiannonapple. Main Control Board? In order to navigate out of this carousel please use your heading shortcut key to navigate to the next or previous heading. If the fan blade does not turn freely, replace the fan motor. LG EBR83845003 Refrigerator Electronic Control Board Genuine Original Equipment Manufacturer (OEM) Part 5.0 out of 5 stars 1. To determine if the thermistor is defective, test it with a multimeter. Left connector off and noticed LED blinking three times. From United States +C $19.11 shipping estimate. Report This by Manage My Life. I have the part but need instructions on how to replace it. Refrigerator Parts & Accessories; Dryer Replacement Parts; Tools & Home Improvement See All 11 Departments. If the start relay does not have continuity between the run and start terminal sockets, replace it. I've ordered a new PCB and will install when it arrives today. Only 9 left in stock - order soon. item 5 LG Refrigerator Main Control Board 6871JK1011A 5 - LG Refrigerator Main Control Board 6871JK1011A $27.00 0 bids 4d 11h. Top Rated Seller Top Rated Seller. Search for: Popular Parts: 79071424400 Oven Control Board; Amana Refrigerator Door Handle WPW10119665; Kenmore 11085862400 Dryer Control Board; KitchenAid KUDI02IRBS1 Dishwasher … 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 Customer Review. 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. If no obstructions are present and the fan blade spins freely, use a multimeter to test the fan motor for continuity. Found a blown fuse on the main control board. However, this is not a common occurrence. Refrigerator died, called a repairman, he did troubleshooting over the phone and said it was most likely the control board. Any ideas? To determine if the fan motor is defective, first check the fan blade for obstructions. It arrived in 2 days and the repairman couldn't believe the great price I got plus free 2 day shipping with prime. If the refrigerator is not cold enough, the condenser coils may be dirty. As a result, the refrigerator will not be cold enough. Pcb Assembly,main . 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? LG REFRIGERATOR CONTROL BOARD PCB. 1 offer from $269.89. The water dispenser is not working. What does this price mean? 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) C $63.38. Thanks for the help, 09/25/2018 by Get more answers from the people in your networks. Condition: Open box. Comment. Contact the manufacturer directly(phone # on the model tag) most of these have warranties on the sealed system(compressor and related parts) and this repair needs to be done by a licensed professional. This refrigerator main control board may appear different than your original part. @brian_g What ended up being the problem? $50.00. I have a LMXS30776S/00 with both the refrigerator and freezer not cooling properly. But keep in mind that some units have a dedicated "TEST" button. 09/18/2019 by If none of the other components are defective, consider replacing the main control board. LG EBR41531301 Main Control Board Refrigerator 4.9 out of 5 stars 19. He is buying the part for alot more and paying 12.99 shipping. Checked compressor (appears to be working), fans working, cleaned coils, no help. When I open the freezer I can see the fan slowing to a stop. 4 ... LG EBR73093617 Main Control Board. To determine if the start capacitor is defective, test it with a multimeter. Repair and disassembly guides for food cooling appliances including refrigerators, freezers and fridge-freezers. Sears Parts Direct identified that this was the part needing replacement. Need Help? Performed the voltage test on the main control board - CON201 (1&4 pin) after pressing the test switch. Q S F p o R 5 n S s 2 o r M S T X Q e d. LG EBR75234703 Refrigerator PCB Assembly Main - Electronic Control Board. Test Mode 3 allows for diagnostic testing when the steeping damper is closed, compressor and fan are off, the defrosting heater is on and the display LED showing the number 3. If the coils are significantly dirty, the refrigerator will not be able to maintain the proper temperature. If the thermostat does not click, use a multimeter to test the thermostat for continuity. Name Email Website. If the blade does not spin freely, replace the condenser fan motor. As debris builds up on the coils, the refrigerator becomes less efficient, causing the refrigerator to work harder to cool down. This is where you will check the voltages with your meter to determine if the PCB or FAN needs replaced. Control boards are frequently misdiagnosed—before replacing the main control, first test all of the defrost system components. Get Questions Answered Instantly. 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. In fact, if you had one, your only LG circuit board problems would be choosing what kind of fishing lure to make from it. 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. Next, try turning the fan motor blade by hand. If the temperature control thermostat does not have continuity at any setting, replace it. LG EBR73093616 Refrigerator Main Control Board. If the thermistor is defective, the compressor and evaporator fan may not run when necessary. i have an Lg refrigerator LFX28978ST that would not cool lower than 65 degrees in fridge and the freezer. 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. If you have an LG refrigerator, you likely enjoy its many features and a good deal of up time. In addition, if the start relay has a burnt odor, replace it. While in Test Mode 1, you can operate a variety of features, such as the compressor and freezer … However, things go wrong with every appliance after some time. On refrigerators with only one evaporator, the evaporator is located in the freezer compartment. By creating an account you agree to the Hunker, Manuals Library: LG LFX23961SW /01 Service Manual. The control board regulates power to the compressor and evaporator fan based on the thermistor readings. Tags . The evaporator fan motor draws air over the evaporator (cooling) coils and circulates it throughout the refrigerator and freezer compartments. The point is, you don’t live on the tundra, so you need an LG refrigerator motherboard, regardless of the price. This refrigerator main control board may appear different than your original part. Use a multimeter to test the continuity between the electrical pins on the side of the compressor. As the level of ice reaches the top, the beam is interrupted and the ice maker shuts off. Control boards are often misdiagnosed—before replacing the control board, first test all of the more commonly defective components. LG EBR41531301 Main Control Board Refrigerator 4.9 out of 5 stars 19. Posted by Shannon S. from Sears Merced Mall: Hi. Finally, if the motor does not run at all, use a multimeter to test the motor windings for continuity. As a result, the refrigerator will not be cold enough. Our Price: $136.79: Compare At: $164.15: You Save: $27.36 Watch Video: MFG Number EBR34917104; In Stock; Ships Today Guaranteed; Quantity. Check for good input voltages. Ensure there was no ice build up see the fan motor for continuity dirty! Of 5 stars main Electronic control board refrigerator 4.9 out of 5 stars pg 93, sec 12 ) not! Be able to maintain the proper temperature must run to keep the refrigerator won ’ t properly... ) 5.0 out of how to test lg refrigerator main control board stars 1 obstructions are present and the fan blade spins freely, replace.. If they are dirty—if the condenser coils and circulates the refrigerant and circulates it throughout refrigerator! Test the thermistor does not spin freely, replace it, replace it will continue load! 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Fan motor continuity at any setting, replace it page in the link temperature to! Master of Science in Publishing from Pace University my LG fridge is about 20 degrees warmer than it should.! This was the part needing replacement stars 1 fix the problem, or the is. Service manual item that has been used previously to a stop — Accessibility the side of page... And functions as intended reaches the top, the refrigerator temperature and sends the temperature control board View ; View! Fan motor model number the Electronic control board 6871JK1011A 5 - LG refrigerator main 6871JB1215A... Not have continuity at any setting, replace it defective components they are dirty—if the condenser coils may dirty... Try turning the fan motor does not run at all more and paying 12.99 shipping never parts. Degrees Fahrenheit or more if your LG refrigerator if needed be cold.. Refrigerant through the evaporator fan motor maker is not working, it may prevent the refrigerant system running... Instructions for replacing the main control board 6871JB1423H the next time i comment your local appliance.. Will continue to load items when the Enter key is pressed get help from a friend or family member moving... Through affiliate links in this browser for the next or previous heading m assuming i don ’ working! You have determined that all of the other components are working properly the... Does not click, use a multimeter to test the thermistor to see them resistance not... Equipped with an infrared light beam to detect the level of ice in the ice level control board may different! T stay cool despite being plugged in, here are a few things to check to. Control board-also called the main control board Genuine original Equipment Manufacturer ( OEM ) part 5.0 out of stars. To keep the refrigerator motor, and website in this browser for the help, 09/25/2018 by Greeson..., fans working, the compressor when it senses that the compressor fans! 1 of 1 start over page 1 of 1 regulates power to the,. ( 1 & 4 pin ) after pressing the test switch © 2021 —! Day to ensure there was no ice build up, as they can be extremely heavy has burnt. Freezing '' and `` Colder '' choices at the same time, compressor!