Remove the bail wire holding the relay/overload to the compressor. To get the compressor running, those components can usually be tested with a multimeter to check for their proper function. Failure to lubricate it will result in more wearing and tearing of the fridge compressor and overheating. (0:23) - STEP 2: Remove lower front panel from cooler. You will need to unplug the refrigerator before starting this test. Step 4 - Test the Relay. E.g : If you have refrigerator or Air conditioner compressor and you want to identify the terminals then follow the below method. Oh, they still do the same basic job-- pump refrigerant vapor. On the side of the AC compressor's wire terminal coverslip, a fitted screwdriver into its small slot, and then lift the cover of the compressor using a screwdriver. To check the compressor properly you should test it with an amp meter, each compressor is rated in running amps ( see model/serial tag or the sticker on the compressor . It should be some where near this if its ok. You should use only the same starter for your compressor as the incorrect one may burn out the compressor. LG Refrigerator Compressor Not Starting Set the tester to zero ohms. The new inverter compressors ain't like the old skool compressors used in yo momma's beer cooler. Refrigerator Start Relay Repair Helps | Appliance Aid Now move the first probe to a different terminal and test the other two terminals with . LG Linear Compressor Fridge Not Cooling - How To Fix. You will often find capacitors used in motor circuits, such as in a fridge compressor or the drive motor in a washing machine. Compressor Start Relay Fridge - rayshardslaw.com Refrigerator start relay wiring diagram collections of refrigerator start relay wiring diagram image. What does a freezer run capacitor do? Next, remove the entire thermostat from your refrigerator and turn the dial to the warmest setting. First of all plug out the fridge main electric plug. My issue is the compressor is a 0-220 volt unit, looking at it it looks normal with 3 contacts. Specifications: Type: Refrigerator PTC Start Relay Pin: 3 pin Resistance: 22 ohm Chip Size: 20x2.5mm (DxT) Material: Metal, Plastic Color: Black Working Principle When the motor starts up, it has to overcome its inertia and the reaction force of the load. Using a good multimeter set on ohms, remove the compressor terminal cover with the unit off. Continued from page 1. With the relay upside down, place the probes into the terminals labeled "S" and "M". Remove compressor leads and use an ohmmeter set on highest scale. Test and troubleshoot your fridge not working but light on. Refrigerator Compressor Relay Troubleshooting During that the thermostat loop resistance became zero because the resistor in the mechanical was removed and that means my BD50 compressor runs at the slow speed of 2000 rpm. Examples of ohm meter testing a compressor start relay and compressor. Compressor start relay fridge. Yesterday i decided to add a 1000 ohm resistor to speed it up . PTC Danfoss 103N0003 - 115V (originally white ceramic, top half looking rather brown now) plugs onto the compressor and applies 6.9 Ohms (cold) across the compressor pins that measure 17.9 Ohms. You should have an infinite OL resistance to ground. Resistance values between prongs on the compressor on ... If the fans on your refrigerator are running but not the compressor, it is likely a problem with the start device for that compressor. How to Check a Refrigerator Compressor Relay. How to Test a Capacitor. With an ohms test, we got approximately five ohms on the good one and no reading on the bad one. Whirlpool Refrigerator Compressor Starts and Stops - How to Fix. Refrigerator Overload Protector Testing Using Multi-meter Here I try to make you understood using a simple refrigerator overload protector testing troubleshooting diagram. Power is applied to the compressor motor windings through the overload device, and the relay is used to add the start winding in the circuit until the compressor is at running speed. A pair of needle-nose pliers. The remaining terminal lets call (C) So for example A-B=7 Ohms. First of all gave name to the terminals, for example you gave name to terminals A,B,C. This heat turns the capacitor on, which makes the compressor run, and it cools down the refrigerator. Check the Compressor Windings for an Open Winding. The lights and fans all run, but the compressor just quite. A PTC (Positive Temperature Coefficient) relay is a starting device for fridge compressors. To test the style combination relay, insert the two probes into the relay . If your multimeter gave a zero reading as indicated above, then there's a fair chance that it is still working fine. So the readings I get are not 'so' off but there are a bit off. Place one probe on any terminal and then touch the other probe to each of the other two terminals. It is a small device attached to the body of the compressor. Record resistance value and terminal temperature. Compressor overload protector or relay capacitor start The overload protector is a protective device that we used to protect the compressor from over current flow to the compressor. it has a 3 way valve to controls the cap tubes to the evaps. In other words on one set, it will equal the sum of the other 2. Pry off the start relay's cover with the flat head screwdriver. In this video i will share with you my method of checking a refrigerator compressor to see if it is good or bad. Make sure the power cord is unplugged. The multitester should display a reading of zero ohms, indicating continuity (or if using a continuity tester, it should light up). The starter relay is held in the terminal cover box which has wires leading out of it. How to check refrigerator compressor ohm test with multimeter. Use the ¼ in (0.64 cm) nut driver to remove the access panel at the back of the fridge. If your multimeter gave a zero reading as indicated above, then there's a fair chance that it is still working fine. I pulled the PTC assembly off and took an ohm meter and ohm'd the compressor and it tested fine so I know it is not a locked up compressor. Set it to the 15 amp scale. Then set multimeter on Ohm. The defrost fuse and sensor should read 0 to 0.1 ohms and 11 ohms respectively at room temperature. I tested the three pins on the compressor with a ohm meter and it read 6.7 ohms across any two of the three pins which indicated a good compressor. Step # 6 - Remove the FF thermistor fish gill cover (located on the upper left wall in the fridge compartment and gently pull out the thermistor My multi meter has six ohm settings, 200, 2000, 20k, 200k 20M and 200M. Clean the condenser coil with a vacuum or wire brush. In this case, the compressor would have to be replaced. SchockT. Pull it out and shake it. Related Articles. Put leds of multimeter and test the A and B terminal, then check the A and C terminals and then B and C. AstroAI 12 Volt Refrigerator 58 Quart Portable Freezer Car Refrigerator 55L (-4℉~68℉) with 12/24V DC and 110V AC, Compressor Refrigerator for Car. Condenser Coils. You can also test the component to determine if it has the proper capacitance rating by measuring the microfarads present in the capacitor. This is a simple test and with a multimeter and some common. Therefore, it needs large current and torque when the motor starts up. Service Test - 102 Compressor / Condenser Fan The following instructions walk you through how to safely test your refrigerator compressor relay for corrosion and continuity: First, follow the basic safety tips previously described—unplug your fridge and discharge the capacitor, if it has one. Ohming and checking as good is at least a good indication that the relay and/or compressor will function, but this is NOT written in stone! This is a safety recommendation which must be followed when you are working with parts or equipment driven by electricity. Place compressor in operation for 5 or 10 minutes. The freezer defrost heater should test for 41.8 to 46.2 ohms. Use the following steps to find, test, and replace the faulty relay: Turn off your refrigerator. . Start Relay. To test the capacitor with a multimeter, set the meter to read in the high ohms range, somewhere above 10k and 1m ohms. Thanks for any help you offer. Here's the compressor start relay for your model: Frigidaire 216954235 Compressor Start Device (AP6974028) - AppliancePartsPros.com Afterward, use your multimeter to . E.g : If you have refrigerator or Air conditioner compressor and you want to identify the terminals then follow the below method. Could that be an issue. Test the Fresh food (FF) Thermistor. Discharge capacitor. Capacitors are either a start-type or a run-type, and they build an electric charge and then can hold that charge after an appliance is . The compressor needs lubricant or oil to continue moving smoothly. Then see the relay and find out which one terminal is common, start and run. Dec I did an ohm test on the compressor and none of the pins grounded out. A refrigerator requires a compressor to keep the interior cold. If these check good in a no defrost situation, then the main control would be the issue. Most compressors use either a relay overload device or a start device. To check the start relay of a refrigerator compressor, do the following: Unplug the refrigerator from the wall outlet. Now, if you've thoroughly conducted every electrical test as recommended and you're still suspect on the compressor's health status, all that's left is check if the compressor is mechanically seized. The last device we're going to test is a capacitor. July 3, 2020 December 18, 2020 by Express Repair . In their quest to comply with increasingly onerous Energy . I even took out a new start capacitor that I had laying around and jumped the compressor without the PTC Assembly connected. You can use an analog Ohm meter to test the capacitor's ability to store and release an electrical charge. However, the compressor could still be locked (stuck) internally. Now you have 3 terminals or connection points. If the terminals are electrocuted, replace using a compressor terminal repair kit. Find the "s" and "m" plug-type terminals and the "L" slip-on terminal. Grounding test : Disconnect power to refrigerator. If your compressor is NOT running, then unplug the refrigerator and remove the compressor start relay device and ohm test it with a multimeter set on the lowest ohms of resistance, I set mine on 200 ohms. Capacitors store electricity. Disconnect the refrigerator As you are going to work in the rear part, for your protection, the appliance should not be energized. To fix an LG linear compressor fridge that is not cooling, check the following: 1. It is advised to test the windings of the compressor as well. Remember when removing the wires from the compressor, use a pair of insulated needle-nose pliers and keep your hands off to the side, not in front of the plug. Compressor start relay and overload for lg lfc25770st refrigerator. Then install it in a working freezer for about 30 minutes. You will use ohm's mechanism in your voltage converter to diagnose the compressor, and the power applied directly to the test circuit shows incorrect results and damage to the meter. This second test can be done using a capacitor . 5. A shorted motor will read 0 ohms across windings, to ground, or both. Position the relay on the floor, counter or table so the "s" and "m" terminal are facing down. To test a 3 phase compressor resistance, or to test compressor or motor properly. The relay should make no sound or rattle. Take the wires off the relay, Then remove the relay from the compressor and put your ohm meter probes in the 2 parallel holes of the relay, you should get a 3-12 ohm reading. The refrigerator defrost heater should measure 78.6 to 86.8 ohms. Unplug the refrigerator from the wall outlet and move it away from the wall. The compressor started with the . First of all gave name to the terminals, for example you gave name to terminals A,B,C. Get shopping advice from experts, friends and the community! Test the compressor relay for continuity using a multitester. Touch one lead (of the meter) to one terminal and the other lead (of the meter) to one other terminal and record your reading . "I also like to have an acid test kit handy, which is helpful in pointing us in the direction of what the best fix may be," continued Matta. If I can't start it that way, it's most likely a mechanical problem, most often binding bearings, and the 'bottom line's the same: either the compressor or refrigerator will have to be replaced (I'll be discussing test cord . I have a GE Profile refrigerator with an inverter compressor that is not cooling. If either compressor winding reads open (infinite or very high resistance) or dead short (0 ohms), replace compressor. This test shows if the windings on the motor are ok. I pulled off the inverter board and tested the 3 post on the compressor with my multi meter. Put your hand on the top of the compressor and feel if its running/vibrating. Repeat steps 1-11. Remove shunt across compressor terminals and restore to proper electrical connections. I watched this video that explains how to diagnose it: Troubleshooting a Warm GE Refrigerator with an Inverter Compressor (GREAT video, by the way!). Testing Refrigerator and Freezer Compressors. Gather the necessary tools. More so, you can use a multimeter to test the compressor for continuity. Place compressor in operation for 5 or 10 minutes. If a compressor is a little off on an ohm test, a hard-start kit can sometimes get it going. Check for resistance between Terminals "S" and "C" and Terminals "R" and "C". , even when the power to the unit is off. 3 Phase Compressor Internal Troubleshooting: Checking a Short to Ground- Turn the Power off. Next, remove the entire thermostat from your refrigerator and turn the dial to the warmest setting. Before you test or work on a capacitor-type refrigerator/freezer, you must discharge the capacitor, or you could receive a severe shock. First off switch off the electric supply, then remove the supply wires from the compressor. The refrigerator is about 1980 Amana model ESRFC16E mfgr number P7464514W. Go to the bottom back, remove the panel over the compressor, and find the relay. Tips. Compressor won't run or it is "clicking' on and off: This normally could be a bad start relay and over load for the compressor, dirty condenser coils need cleaning, condenser fan motor is not running or the compressor itself. Furthermore, how do you check if a capacitor is bad with a multimeter? Now lets read A-C and . LG Refrigerator Compressor Not Starting . Also see how to check the wires that connect the thermistor to the electronic control board to make sure the problem isn't with the wiring or the . Repeat steps 1-11. The compressor is a critical component of the refrigerator, but it needs a functional start relay. It is responsible for powering the start winding for a brief moment to help start up the fridge compressor motor. Test the compressor motor for continuity using a multitester. Before you get started, take note that you should not work with an appliance still connected to the power source. Check the wire compressors attached to the capacitor's wire terminal. As with the compressor, don't test or repair any part of the appliance while it is still connected to electricity. Learn to test the start relay of the compressor: 1. Touch test probe to shunted compressor terminals. Unclip the terminal box cover . In the below diagram I have shown an Analog multimeter set on the connectivity test, ohm test (resistance testing). Test the active winding of the compressor Push the refrigerator far from the wall as well as disconnect the power adapter from the plug socket. Ok, Unplug the refrigerator and remove the compressor start relay from the side of the compressor and ohm test the compressor start relay. Set the multitester to the ohms setting X1. It says that the voltage from the control board to the inverter should be between 4 and 6 volts. Video explaining how to test the compressor if you have a refrigerator that is not getting cold. Move the refrigerator away from the wall and unplug its power cord from the wall receptacle. After that take an ohm testing meter or a multimeter which have ohm testing options. California 19410 business ctr dr. "I also like to have an acid test kit handy, which is helpful in pointing us in the direction of what the best fix may be," continued Matta. After the technician unplugs the unit, s/he will check to see if the motor/compressor has a capacitor. LARGE CAPACITY: With 55L large capacity, larger interior dimension 12.6″ (L)x 10.4″ (W)x 17.6″ (H), smaller interior dimension 10.4″ (L) x 6.3″ (W) x 10.9″ (H), it could be a fridge . Dec 21, 2017 - (0:07) Ohm Testing a Compressor (0:12) - STEP 1: Remove (4) 5/16" lower panel screws. If you are looking for good Eecon qd tsdtests , we will provide you the best choice on the world wide web with a narrow selection of the top Eecon qd tsd2 . They are all diferent to suit a particular size compressor. A faulty start relay is the most probable reason why a refrigerator compressor starts and stops. How to test the start relay: To determine if the start relay is working, detach it from the compressor and give it a little shake. The multitester should display a reading of zero ohms. Insert the multi-tester with one probe on each of the "s" and "m" terminals. Get off of the start winding after 2 seconds. If a compressor is a little off on an ohm test, a hard-start kit can sometimes get it going. Test it in a working freezer. Depress test button on test probe (or on meter) for test duration period (60 seconds). When turn to normal, in order to save energy, large torque and need a . I mean not even a buzz or anything. The common terminal will be connected to the overload protector or connect directly to . however this unit only has 2 wires, the hot and common to . If the windings test OK, but it still won't run, then I connect a test cord and try to run it manually. Heres a pic of checking the resistance of this particular one @ 1.6 Ohm. Learn how to test the thermistor to see if it's working. Steps To Test Fridge Compressor. Set your multimeter on ohm testing. Set the multitester to the ohms setting X1. If the compressor passes the above tests, take a multimeter set to R x 10,000 (10K) and check each winding to ground. Am I looking at a bad compressor? Depress test button on test probe (or on meter) for test duration period (60 seconds). The current drawn is about 17.6 amps, tag says max current is 6.5 amps. Do keep in mind that they can ohm ok but still be bad! Then set multimeter on Ohm. Carefully disconnect the wires with a pair of pliers, and then remove the relay by pulling it off of the prongs on the compressor. Did you Unplug the refrigerator, then ohm test the compressor start relay? I then tested that indeed the inverter was getting 120v across the larger set of wires. How to test refrigerator compressor start relays. Test a Fridge Compressor (or Any Single Phase Electric Motor) Sources and Citations The thermostat inside the refrigerator tells the . Record resistance value and terminal temperature. I noticed my compressor was not turning on on my 9 year old Bosch B22CS30SNS/01. If your ohm reading is much higher than five, it's most likely bad. I have taken the readings on the 3 terminals on my compressor (Magic Chef mini fridge) and come up the following readings (ohms): 8.5-11.5-18.0. As you know, a compressor is the backbone of the refrigerator system and if a compressor stops working, then the fridge stops working. Overload Or Relay-Start Capacitor The overload relay is a protection device used in the compressor circuit on your refrigerator. Always pay special attention when working with electric appliances. Perhaps the most effective way to test the start relay is by performing a physical test. To test the PTC relay in your refrigerator, unplug the fridge and remove the lower back panel so you can access the relay, which will look like a small black box with 2 or 3 wires running into it. Couple years ago i replaced my freezer and refrigerator mechanical thermostats with digital ones. Next, find the relay on the side of the compressor and unmount it. Put leds of multimeter and test the A and B terminal, then check the A and C terminals and then B and C. Remove shunt across compressor terminals and restore to proper electrical connections. 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. I had a look at the data sheet of the compressor (NJ2212GK) and the resistance rating for the start winding is 7.25 ohms, the rated resistance value for the run winding is 1.95 ohms. Then install it in a working freezer for about 30 minutes. Look for the compressor and the wires that connect it to the starter relay. Unplug the fridge, disconnect the water supply, and move the appliance away from the wall. In one swift move, connect the run winding to the power wire in a stable manner and touch the power wire to the start winding. Step 2: The Shake and Rattle Test. If the compressor on a Whirlpool refrigerator starts and stops, the following need to be checked: 1. If the compressor passes this test but it can'. I tested that it has 120 voltage to it. LMXS30746S LG 4 door fridge. If you want to check your fridge compressor then flow the below steps. Remove all of the wires off the terminals. Here's the compressor start relay for your model: Manufacturer's Number: WR07X10055 Jake Unplug the start relay from the compressor and give it a shake. These tests were done due to the same problems reported here in these threads--fridge compressor not kicking in, clicking on and off, etc. (0:30) - STEP 3: . If your fridge cannot start there is a high probability that the PTC relay is defective. With the relay removed from the compressor, the resistance between the start winding and common is 3 ohms, between motor winding and common is 9 ohms . Touch test probe to shunted compressor terminals. But you have to troubleshoot them differently from the old skool compressors. Take an Ohmmeter and attach one probe to T1 then take the other probe and touch it to the metal housing of the HVAC system, the housing of the compressor, or the copper pipe. (0:07) Ohm Testing a Compressor (0:12) - STEP 1: Remove (4) 5/16" lower panel screws. Testing the run capacitor with a multimeter. Lets call these terminals (A) and (B). Ok, in the flowchart 6 times--->Is the compressor running? If you get similar readings, the compressor windings are ok. Template:Video:Test a PTC Relay / Starting Relay. If it is both, you will need to replace the compressor. So, remove the relay from the compressor's side. How to tell symptoms if compressor. You will be using the ohms function on you digital . It has the Linear compressor (I know junk, many repairs), with dual evap for freezer and refrigerator. How to test single phase fridge compressors electrically. I hope this will help you. Normal ohms should be between 0 to 12 ohms on your model. Grab a power cord and connect the common terminal. This is simply done by turning on the refrigerator and observing the compressor under full-load by adjusting the thermostat to it's lowest set point. The display will read OFF when de-energized, OP when energized with open defrost thermostat and CL when energized with closed defrost thermostat. or switch of the supply which is connected to the fridge. To find the start relay, locate it by looking in the same compartment where the compressor is located (this is usually plugged somewhere in the back of the main compartment of the fridge). "Additionally, a hard-start kit can be useful. Test it in a working freezer. Place an Amprobe on the common line. Set your multi-meter to ohm. There should be no reading at all, from any of the terminals to ground. Press the Refrigerator Temperature UP /+ keypad and Refrigerator DOWN /- keypad to energize or de-energize the Defrost circuit. 17.95 $ 17. "Additionally, a hard-start kit can be useful. Afterward, use your multimeter to . Warnings. Since the compressor is a very important part in the refrigeration system, it needs to have a working refrigerator start relay in order to work. This article presents how to test them to determine . A multitester. Hi guys, just to give an update. The compressor on my Kenmore model 106.54682300 runs for 5 sec and shuts off, comes back on in 2 min and repeats. Relay overload device or a start device five ohms on the connectivity test, a hard-start kit can useful... Compressor & # x27 ; re going to test refrigerator compressor, do same... 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Is defective it has the proper capacitance rating by measuring the microfarads present in the rear part, example. Has wires leading out of it 3 Easy Steps to take... < /a > it! Be done using a multitester probes into the relay and overload for lg lfc25770st refrigerator PTC start. Or on meter ) for test duration period ( 60 seconds ) supply. Bad one not Cooling - How to Fix an lg Linear compressor fridge that is not Cooling - How test! Refrigerator away from the old skool compressors to terminals a, B, C for. Working freezer on any terminal and then touch the other two terminals with thermostats with digital ones overload... Can ohm ok but still be bad freezer defrost heater should test for to! Wire compressors attached to the warmest setting valve to controls the cap tubes to the overload protector connect! Diagram image an ohms test, we got approximately five ohms on the good and! And troubleshoot your fridge can not start there is a 0-220 volt unit, looking at it it normal. Out the fridge main electric plug i then tested that it has the Linear compressor ( i junk. To 46.2 ohms start capacitor that i had laying around and jumped the compressor a!: //www.astroai.fit/ '' > fridge compressor are a bit off a washing machine must be followed you. Access panel at the back of the fridge body of the compressor and unmount it but it can & x27... Off, comes back on in 2 min and repeats refrigerator mechanical thermostats with digital ones windings the. This article presents How to test is a simple test and troubleshoot your fridge can start. Tearing of the supply which is connected to the inverter should be no reading at all, from any the. Get it going a capacitor-type refrigerator/freezer, you must discharge the capacitor & # ;... I decided to add a 1000 ohm resistor to speed it up the ¼ in ( cm! Power source volt unit, looking at it it looks normal with 3 contacts refrigerator start relay from the.! 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Re going to work in the below diagram i have shown an Analog multimeter set on the starts. Be replaced 10 minutes that is not Cooling locked ( stuck ) internally or both mechanical thermostats with digital.! Combination relay, insert the two probes into the relay faulty start relay and find the relay and overload lg. In 2 min and repeats a hard-start kit can be useful or both i are. Windings are ok resistance testing ) basic job -- pump refrigerant vapor passes this test if... 2020 by Express repair my freezer and refrigerator a multimeter large torque and need a do! Lfc25770St refrigerator do the following need to replace the compressor & # x27 ; so & # x27 s. Condenser coil with a multimeter to check for their proper function in to! A reading of zero ohms relay from the wall and unplug its power cord from the wall receptacle unit off... Compressor passes this test but it can & # x27 ; so & # x27 ; s terminal! Or you could receive a severe shock test refrigerator compressor wiring... | all about circuits < refrigerator compressor ohm test compressor! Fridge that is not Cooling old skool compressors could receive a severe shock terminal call... Perhaps the most effective way to test single phase fridge compressors electrically Analog multimeter set highest... Ohmmeter set on highest scale for 5 or 10 minutes that is not Cooling, check the following unplug... Move the appliance should not be energized responsible for powering the start relay refrigerator compressor ohm test the! The wire compressors attached to the warmest setting their quest to comply with increasingly Energy... Amps, tag says max current is 6.5 amps be connected to the.. Measure 78.6 to 86.8 ohms be done using a compressor is a capacitor '' https //forum.allaboutcircuits.com/threads/refrigerator-compressor-wiring.130133/... My refrigerator not Cooling, check the wire compressors attached to the warmest setting more wearing and tearing of compressor!, those components can usually be tested with a multimeter larger set of wires you have to be:! Last device we & # x27 ; which has wires leading out it! Meter has six ohm settings, 200, 2000, 20k, 20M... The access panel at the back of the refrigerator as you are going to test single phase fridge electrically! Cm ) nut driver to remove the relay from the compressor on my model. Compressor motor by electricity example A-B=7 ohms use the ¼ in ( cm. Collections of refrigerator start relay of a refrigerator compressor not Starting could receive severe. The below diagram i have shown an Analog ohm meter to test the capacitor have to them. Respectively at room temperature oh, they still do the following need to replace compressor! Refrigerator/Freezer, you will often find capacitors used in motor circuits, such as in a working.. ) or dead short ( 0 ohms across windings, to ground a capacitor-type,. Is advised to test refrigerator compressor, and find out which one is. > why is my refrigerator not Cooling call these terminals ( a ) (. Component of the fridge compressor motor and fans all run, but the and! Could receive a severe shock comes back on in 2 min and repeats 2000, 20k 200k... They can ohm ok but still be bad s ability to store and release an charge. Test it in a fridge compressor and overheating ohms should be no reading on the side the... Ptc Assembly connected will need to replace the compressor as well | PartSelect.com < >... Pay special attention when working with parts or equipment driven by electricity to the overload protector connect. Is responsible for powering the start relay of a refrigerator requires a compressor to keep the interior....

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