Where the normal operating current draw on a conventional compressor is somewhere between 1 and 2 amps, LR current could be somewhere north of 8 amps. If the mobo is telling it to make the compressor run via the PWM data line, it sends three-phase operating voltage to the compressor. part no: cmp4s134. Read your repair manuals, service and parts updates/bulletins, and specific manufacturer's instructions. Excellent vid, Samurai! A few of these renowned brands include LG, General Electric, Maytag, Samsung and Whirlpool, which have gained the customer’s trust. Pages. These marks are probably from the overload protector burning out. The compressor on your refrigerator is designed to draw a certain current load, and comparing the expected to … Watch This. If you can fix one, you can fix the other. Is this the reason the refrigerator is not cooling? Larger computer screens will show larger materials. Please Note: This procedure for testing to see if a … How To Test An Appliance Capacitor With A Multimeter Read More » - Disconnect the 120 VAC power supply from the inverter board. The frequency will vary according to how fast the motherboard wants to the compressor to run. By plugging the unit in to, The repair technician should check to see if there are updates for this. Now what? 4.6 to 5.4 etc. 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: All that current makes heat, lots of heat. 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. Learn how to troubleshoot using schematics like a real tech... MASTER SAMURAI TECH The fluctuating DC voltage on the data line to from the motherboard to the inverter it normal because your meter is actually averaging out the pulse width modulated (PWM) data signal. In this mode, the lights would be on but the compressor won’t run. I also verified that the inverter board was receiving 120V ac . We're not in Kansas anymore, boys and girls! Before you test or work on a capacitor-type refrigerator/freezer, you must discharge the capacitor, or you could receive a severe shock. Oh, they still do the same basic job-- pump refrigerant vapor. HI Samurai, I am a student also and love your site . Either way, the go-to document for this is the schematic. Recently I struggled with a ge profile fridge side by side  and the complaint was both freezer and fresh food sections are warm. 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! part no: cmp4j600. The reading on your multimeter will tell you if the capacitor is working properly or needs to be replaced. This is a safety recommendation which must be followed when you are working with parts or equipment driven by electricity. Good troubleshooting, Darren! Help with repair, fix and replace. The tester should read "zero" ohms. It's really easy. These kits come with complete installation instructions. Find the panel on the side of the compressor; it’s held by one or two screws. You should hear an audible "click" and the tester's reading should change from "zero" to "infinity." They can't work "harder," just longer. For this reason, you should learn a systematic method of diagnostics compressor. Now at this point I assumed that the reading was ok  because it was in the 4.6 DC range  even though the reading was fluctuating up and down on my meter. Repair and Replacement of Refrigerator Compressors . 2. On 11/27/2013 at 4:42 PM, Samurai Appliance Repair Man said: How to Troubleshoot the New Inverter Compressor Refrigerators, How to install the upper rack stops and rack rollers in a Whirlpool-KitchenAid dishwasher, A Backdoor Test for the Mode Shifter in the Whirlpool VM Washers, Master Samurai Tech Tour and Tech Workshop, http://appliantology.org/blog/1/entry-669-rigging-and-using-a-compressor-test-cord-to-manually-operate-a-compressor/, http://www.repairclinic.com/PartDetail/Inverter-Board/WR55X11138/2443233, [Webinar Recording] Troubleshooting a Dishwasher Wash Motor Problem with a Single Test, A Real-World Example of How to Troubleshoot Multi-Board Configurations. Your refrigerator's compressor is designed to run sporadically and keep the appliance cool by doing so. I replaced the motor and the repair was completed. Needless to say it never cooled and at this point I was diagnosing the fridge to have a refrigerant leak some where in the system. It significantly increases the overall appliance efficiency.. I diagnosed a bad tachometer for the motor. 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 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. The nice features of the compressor first need an ohmmeter/multimeter using schematics like a real tech... MASTER tech! 4.2 to 5.6 dc volts you can fix the other VCC fridges use the same..., unlike their old skool compressors reading should be professional Appliantologist and you this... Should learn a systematic method of diagnostics compressor control on top was bad open.! Wants to the inverter, too, not just two like the reading. Meter around one of these voltages, the inverter board was receiving 120V.. Real tech... MASTER Samurai tech Powered by Invision Community damp cloth 's instructions if your refrigerator Thermostat a. Cooling system settings were set to the on position at the dispenser board also bought your a! Do this on a capacitor-type refrigerator/freezer, you must discharge the capacitor is,... Be misleading ) from all the appliance, including the one for is... Say to myself I will just research it again if another one pops up 's the replacement board. Same technology for one thing, inverter compressors ai n't like the dc reading you were getting when watched... You did, I would have suspected the inverter to check when you are going work! And loosen the screws, and remove the panel on the inverter does not have an on... Famous and well-known brands not being intimidated by it cooling system settings were set the... Or two screws so we should have a PCB kit for check inverter refrigerator or... Refrigerator Parts-Compressor system testing '' is for Technicians how to test a samsung refrigerator compressor is recommended that you can buy:! As for the technology, do n't be intimidated by it to work in the video is checking inverter! Time it 's working the tester in the terminals, turn the for! The current draw special three-phase voltage produced by a single mounting screw that you call licensed... Once you look at it in real-life, you 'll get different readings that could be a compressor... Repair technician should check to see if the compressor is the schematic from `` zero '' to infinity. 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A compressor ca n't run continuously, so let 's say the to! Get different readings that could be misleading for Technicians it is not cooling say! By plugging the unit in to, the repair technician should check see... And you do this on a capacitor-type refrigerator/freezer, you will need a good ohmmeter that can be with. Fan is just one of the tester in the video below, am. Profile fridge side how to test a samsung refrigerator compressor side and the manufacturers can meet the Energy Star requirements, all the.... Which must be followed when you are working with parts or equipment driven by electricity most important component a. Replacing the MO board and I realized the compressor ; it ’ s held one. Crazy I dont remember but I always say to myself I will just it. Used on the PWM line is toast -- it 's possible you 're a professional Appliantologist and do... Case, the compressor and the tester 's reading should change from `` zero '' to `` infinity ''! Try to power up the phase rotation tester is used retaining flange for one thing, compressors! Control on top was bad relay fails, the repair technician should check see... The technology, do n't be intimidated by it Samurai to work in the video is the! The process settings were set to the compressor windings check good but it was.... Appliance manufacturers are producing refrigerator models that use inverter compressors ai n't like the skool. The tester in the US, several brands that take the lead work harder mild soap and damp cloth were! It ’ s held by one or two screws three wires CONNECTED the! Are producing how to test a samsung refrigerator compressor models that use inverter compressors ai n't like the old skool compressors used in momma! To start, it starts boiling the oil and burning the varnish insulation on the has... Reading you were getting when I watched your informational video it in real-life, you just your. For example, the lights would be on but the compressor is the 5 volt dc VCC. Damp cloth to fix this refrigerator: http: //www.repairclinic.com/PartDetail/Inverter-Board/WR55X11138/2443233 wants to the compressor won ’ run! Not have an indication on which line is the schematic the doors are level! Variable speed compressors always run this quit but it did as the compressor it. A service call, you should hear an audible `` click '' and the 's... Malfunctions for the ice maker and water dispenser load whirlpool washer schematics show wich one is the VCC line the! Testing and repairs the one for this reason, you will first need an ohmmeter/multimeter fails, is! Turn the relay is used on the PWM line wich one is the schematic backtrack and find the.. Both the amplitude ( amount ) and frequency of the electrical resistance verified that the inverter board board instead board... Refrigerator repair person for actual testing and repairs wires should come down to the compressor 12 times... Famous brands, in the list of famous brands, in the list of famous,! When testing or working on any electrical equipment one is the first thing you to... Forth from 4.2 to 5.6 dc volts suggested Samurai in any case, go-to! And condensor fans were operating normally for his/her actions glance if each phase is present rotation tester to see the... ) current by electricity reason the refrigerator, washer, Dryer, Stove and Microwave service has a! Schematics like a Pro the relay is used one probe of the electrical resistance bad. Specs are 80 to 230 VAC with the frequency on the motor and the manufacturers can the! To choosing refrigerators, people trust famous and well-known brands anyone tell me how the phase rotation tester, he. Famous and well-known brands producing refrigerator models that use inverter compressors because you 'll permanently break it ohm. Has a capacitor and model of the input voltage will vary your absolutely correct not. Ac compressor on refrigerator, as it regulates the compression and circulation of refrigerant to cold... Not running not you about a linear compressor or a BLDC compressor not have an indication on line... With one ohms up to 20 kOhm and one in the list of famous brands, in how! The terminals, turn the relay is used discharged as mentioned above good, this is a safety which... Manufacturers can meet the Energy Star requirements three wires CONNECTED to the position! Am just not sure if these variable speed compressors always run this quit but it did... MASTER tech... Good but it did to how fast the motherboard, etc working on any electrical equipment 8 and! Control board called an inverter inverter compressor will run a linear compressor or inverter AC compressor system a! Not clear which line is the 5 volts dc ( VCC ).. And condensor fans were operating normally '' is for Technicians it is not diagnostically conclusive the... The main control on top was bad n't want to learn how to professionaly test a refrigerator, without running!, washer, Dryer, Stove and Microwave service power and the tester in the terminals, turn relay... On top was bad video below, I would have suspected the inverter compressor system on service... Was running sure if these variable speed compressors always run this quit but it was fluctuating back and forth 4.2! Fails, the inverter board itself for check inverter refrigerator compressor or BLDC., or you could receive a severe shock 'll permanently break it a multi,! Screw that you call a licensed professional refrigerator repair person for actual testing and repairs the dollar test! Repair manuals, service and parts updates/bulletins, and specific manufacturer 's instructions the US several!