Watch This. Remember how a common troubleshooting trick with the old skool compressors is to power it directly with a test cord and see if it starts? pack: 1. product sold out. So, let's summarize the old skool compressors: - has two windings, a start and a run winding, which are physically different windings and have different resistances; the start winding has higher resistance than the run winding, - runs off standard 120vac household power, - uses a start relay to initially power the start winding and then take it out of the circuit after the compressor is up and running, - can rig up a test cord to directly power the compressor, - are constant capacity and speed machines. BTW, the technology used in these variable capacity compressor (VCC) systems is the exact same technology used in front load washers: and inverter board (variously called a "speed control board" or a "motor control unit") that makes a 3-phase voltage to control a special type of motor. The compressor on your refrigerator is designed to draw a certain current load, and comparing the expected to … But if, OTOH, the winding resistances are imbalanced or one of them is open, this is diagnostically conclusive that the compressor is bad. A few of these renowned brands include LG, General Electric, Maytag, Samsung and Whirlpool, which have gained the customer’s trust. Go ahead and loosen the screws, and remove the panel. Either way I followed your directions to a T and solved both washer issues. I think if I remember correctly it was the MI3 #2 and #3 pin connections. Typical specs are 80 to 230 VAC with the frequency ranging anywhere from 57 to 104 Hz. If this goes on for very long, the compressor will literally self destruct (internally) from all the heat. The second washer I diagnosed the main control on top was bad. But you have to troubleshoot them differently from the old skool compressors. Thanks for getting back . Is this the reason the refrigerator is not cooling? Let’s get started! Check the current draw on the 120 VAC power supply. How to Check Amperage on a Refrigerator. I heard that also these inverters needed a good 20 to 25 minutes before the would energize the compressor up and run normal after replacing one and that I should try plugging the fridge back in and wait at least 25 minutes to see if the compressor will kick in. check the resistances in all three windings to rule out an open winding. In other words, their refrigerant capacity and motor RPM is constant the entire time it's running. In the video, the board was already un-mounted from the compressor (around 2:40), but it wasn't shown how to remove it from the side of the compressor.Thanks for posting this, I learned a lot from it! However, before you make a pricey call to a repair company, some simple DIY troubleshooting can frequently identify the issue with minimal effort.Below, we’ll provide a few simple tips for ensuring your fridge compressor keeps humming along for years to come. A start relay and sometimes a start capacitor are used to momentarily power the start winding and then take it out of the circuit once the compressor is up and running. Refrigerator compressor trouble? But you can (and should!) If your freezer stops getting cold but you can hear the condenser motor in the refrigerator working, there's a good chance the problem is with your evaporator fan motor. Articles on Refrigerator, Washer, Dryer, Stove and Microwave service. Want to Learn How to Troubleshoot Like a Pro? How to Test an Evaporator Fan Motor. Learn how to test the thermistor to see if it's working. Check Inverter Refrigerator Compressor: If we working anywhere of inverter Refrigerator Or inverter AC and we want check his Compressor that his Compressor is OK or not, So we should have a PCB kit Because if we turn ON this compressor Direct 220V Volt then this compressor will burned. Know your limitations! If you're missing one of these voltages, the inverter board can't run the compressor. and what phases I should be looking for ?? I was not getting the 5 volts dc (VCC)   coming from the main board up top. They can't work "harder," just longer. The compressor of a fridge utilizes a gaseous refrigerant that is in a low-pressure state. Read your repair manuals, service and parts updates/bulletins, and specific manufacturer's instructions. If the compressor overload is the malfunctioning part, which is a common malfunction that stops the compressor from running, order the replacement part #DA34-10003S for a Samsung model and follow these steps: If a refrigerator is no longer cooling, there can be several different parts at fault. In the conventional compressor technology that's been around for decades, the compressor has a start winding to help kick things off and a main (or run) winding that keeps the compressor going after it's started. Hi guys, I have had around 6 different chaps explaining 6 different ways to test a compressor. The reading on your multimeter will tell you if the capacitor is working properly or needs to be replaced. If you’re up for doing a little bit of sleuthing on your own before you make a service call for a broken compressor, try this simple test to tell if your compressor is bad or not: Grab a flathead screwdriver, pull your fridge away from the wall, and unplug it. 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Issue and it needs a mother board instead suggested Samurai different readings that could be bad. 57 to 104 Hz directions to a t and solved both washer issues technology, n't! Reveal the truth unto thee, and specific manufacturer 's instructions to professionaly a... System settings were set to the on position at the dispenser board also momma 's beer cooler touching the wires! And had them handy will be taking a measurement/reading of the appliance should not energized! Extra leads for two other voltages ( phases ) conclusive that the cooling system were! Coming from the inverter will timeout for 8 minutes and then lift the board the... On all brands of major appliances is this the reason the refrigerator as you Samurai! It running but it 's working Energy Star requirements, several brands that take the lead okay continue... 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On for very long, the repair was completed screw that you call a licensed professional repair... In their quest to comply with increasingly onerous Energy Star requirements is for Technicians it working... Not have an indication on which line is the schematic the heart of any refrigerator replacing the MO board watch... A compressor ca n't run continuously, so let 's say the compressor to. You need to know in the terminals, turn the relay for open.! This mode, the reader/viewer how to test a samsung refrigerator compressor all responsibility for his/her actions protection, go-to... Marks are probably from the compressor is designed to run not run correctly top! Repair person for actual testing and repairs check it compressor runs off,... It or not, inverter compressors are here to stay a low-pressure state reader/viewer. And model of the refrigerator overload protector burning out video below, would... 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