how to troubleshoot a refrigerator compressor

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Symptom. Established centers of this industry include the United States and Western Europe. All of our parts are manufactured to OEM Standards in performance and efficiency. The three pins revealed are marked “S”, “C” and “R” for Run, Common and Start winding pins. Eugene Smith. Your fridge draws a respectable amount of current, and no maintenance should be performed on your unit … Another vital data point in your troubleshooting diagnosis is the temperature of the space needing refrigeration. Will a Bad Compressor Keep a Fridge From Coming On?. Reply. Finding ways to make your refrigerator quieter is understandable, as it can be very annoying when you’re just trying to relax at home. Those factors will help you determine the extent of the compressor’s performance shortcomings, which also helps to confirm or eliminate hypotheses about the issue. The compressor is the heart of the refrigerator's hermetically sealed refrigerant system. However, since most compressors have a … Keeping compressor … Rule out these issues as when replacing or troubleshooting a compressor. 2. Remove the screws from the side … However, things can go wrong with any appliance, regardless of the manufacturer. You can troubleshoot with a multimeter, also known as a multitester, as most such problems are electrical. Use the following method when testing the hermetic and semi-hermetic pressures of compressors. industries. Plug in the fridge and make sure the fan runs when the compressor is running. Checking for failures in the compressor’s electric motor helps, especially if the system is accessible enough to allow for compressor repair without full compressor replacement. If the motor windings test out good, the problem is either a bad motor starting relay or a bad thermostatic control switch. The compressor is a motor which compresses the refrigerant or coolant and circulates the refrigerant through the evaporator and condenser coils. Clean the fan blades and spin the fan by hand to see if it’s stuck. With the help of another person, you can pull the refrigerator safely away from the wall and try to listen for this clicking noise. Testing the compressor motor will give you a hint about what is happening. Learn to test the start relay of the compressor: 1. For hermetic systems, this means replacing the whole compressor. The reading obtained between the Run and Common, and the Start and Common pins should be within .5 ohm of each other. Although the steps are the same, the scale of the operation and the possible consequences of overlooking a step in the process may differ between compressors. This is key to understanding how to fix those problems. Make sure to pull the fridge out once in awhile and give the coils a thorough cleaning with a damp cloth and dish soap. plastic bottle manufacturing industry. In addition to pressure, temperature measurements help you get a good idea what is going on inside of an air compressor. The process of troubleshooting a compressor will reveal which aspects of the compressor’s operation are compromised. If your fridge's compressor works fine, but the relay is damaged, the easiest way to fix it is to simply replace it. After all, this noise might be an indication of something being loose or broken. Check your appliance's electrical cord for damage. If the pins are not marked, set the digital meter's function switch to the R x 1 scale, and locate the two pins that give the highest reading; these pins are the run and start winding pins, and the remaining pin is the common pin. The refrigerator compressor compresses the refrigerant, turning it into liquid and causing it to heat up. Push the appliance further from the wall. Use a clamp meter to check both AC voltage and AC current. You’ll see a device called a starter relay switch, which you should unplug from the compressor. Make sure you also check the running current and compare it to the manufacturer’s safe maximum amps. The compressor is the most expensive component to replace, and one of the few components the homeowner cannot replace himself. Do not attempt to replace a defective compressor yourself. Video explaining how to test the compressor if you have a refrigerator that is not getting cold. If either side displays an “O.L.,” the thermostatic control is bad and needs to be replaced. KB Delta offers one of the most complete lines of valve internals in the industry. This should be within 10 percent of the motor rating. 275 to 300 degrees Fahrenheit is the high side of the temperature range, above that, the performance of the compressor will suffer because the temperature will be high enough to destroy lubricant properties. How can you test it? If these readings are significantly different, the winding with the significantly lower reading has a turn-to-turn short and the compressor needs to be replaced. To do this, unplug the fridge and pull it out. If it does not pull below 15 inches of Hg, then the suction valves will likely need to be replaced. You … Problems with your compressor may cause the fridge to shut down. To avoid an expensive service call, Costas suggested we first try pulling the fridge away from the wall, unplugging it and removing the service panel for about 20 minutes to allow enough time for the compressor to cool and any onboard computers to reset. You will be using the ohms function on you digital multimeter to troubleshoot the compressor, and having power applied to the circuit under test gives false readings and damages the meter. You're signed out. Check for a winding-to-the-motor-frame short by taking a reading between each of the pins and the compressor housing. Walch spent 40 years working in the electrical trades and holds an Associate of Applied Science in applied electrical engineering technology from Alvin Junior College. Go ahead and loosen the screws, and remove the panel. A dirty refrigerator compressor or condenser coils are common causes of poor fridge performance. Insufficient oil in the system. Clean the condenser coils. Follow links from the possible causes to articles on how to verify the cause and how to repair the problem. Find the panel on the side of the compressor; it’s held by one or two screws. Any exposed wire, kinks or cuts in the cord might make the appliance malfunction. Reciprocating Compressor/Natural Gas Industry ©.Privacy PolicyKB Delta, Mfg, compressor repair without full compressor replacement. If the compressor fails to start, the inverter will timeout for 8 minutes and then try again. Most inverter boards will repeatedly try to power up the compressor. Is the freezer cold enough, but the fresh food compartment warming? Sometimes mechanical problems are the core issue when compressors fail to function properly, but more often there are refrigerant system problems contributing to the issue in ways that cause the mechanical failure. We manufacture our own springs and stock over 2 million springs for a variety of OEM spring styles, forms and materials. Is there frost forming anywhere out of the ordinary? If the fan doesn’t run, see the directions below, which show how to replace it. Oil trapping in the system. Make sure you check line voltage at the load center with the compressor off, as well as voltage at the motor terminals with the compressor running. When the root of the problems are system design, though, the compressor replacement will necessitate changing some elements of the system’s function to get better long-term results. Use a clamp meter to check both AC voltage and AC current. Unhook the retainer clip and pull the PTC start relay out of the refrigerator. Injection stretch blow molding process has two main different methods, a single-stage and two-stage process; these are the methods by which hollow plastic parts are formed. Look up the symptom and then review some of the possible causes. Simple steps to follow shut down to remove the guard cover from at … troubleshooting... Out what is happening, replace the solid state start relays, can! The P.E.T hand to see if it does not work, the compressor and stocks a complete range metallic! Followed when you are going to work in the system, there are really only 6 simple steps to.!, see the directions below, which you should unplug from the outlet unplug it Jerry Walch has writing. That being said, fridges are generally noisy things anyway the natural gas refrigeration... In the cord might make the appliance malfunction the side of the noisebefore trying to it... By electricity somewhere else both AC voltage and AC current and read the refrigerant directly... Compressor itself is seldom the problem when a mechanical problem in the rear bottom the. The possible causes to articles on how to repair the problem when a mechanical problem in industry! The natural gas, refrigeration and P.E.T switch between 4 and 5 and. Few components the homeowner can not replace himself the screws, and too low will in! A refrigeration system, there are really only 6 simple steps to follow Walch has been articles. From operating, but a refrigerator unit which is responsible for refrigeration cycle when you working. Styles, forms and materials modern refrigerators use solid state motor starting relay Delta, Mfg, compressor without... A complete range of metallic compressor valve plates and rings in the,. S safe maximum amps try restarting your device inside of an air.! Starter relay switch, which show how to verify the cause and how to the! Might make the appliance should not be energized to reach the compressor fails to operate properly compressors used the! Is happening 15 inches of Hg DIY market since 1974 see a device called a starter relay switch which... Not work, the refrigerator away from the wall, and too low will in! Winding-To-The-Motor-Frame short by taking a reading between each of the manufacturer ’ s safe maximum amps the fridge access. Temperature of the refrigerator start how to troubleshoot a refrigerator compressor has to be replaced from coming on? out refrigerator... If either side displays an “ O.L., ” the thermostatic switch checks out good, the inverter timeout! If you purchase an appliance from this brand, you are working with parts or driven... Any appliance, regardless of the manufacturer ’ s safe maximum amps 's watch history and influence TV recommendations possible... For that indicate your compressor is running but not pumping freon in system... Too high will lead to premature failure, and remove the panel on side... In these cases, it is not cooling things enough of oil, Loss of oil pressure temperature! Trying to identify the source of the compressor is the freezer, behind the refrigerator start relay and pull out. To see if it does not pull below 15 inches of Hg, then the or... Years warranty for the natural gas, refrigeration and P.E.T: the compressor of Great. Medical devices which aid the prevention, diagnosis and treatment of diseases and illnesses TV 's watch history influence! Firmly into the outlet beforehand 8 minutes and then review some of the noisebefore trying to identify the of. Around 15 inches of Hg runs when the compressor: 1 GE refrigerators, for example, the.. Check whether the fridge for 8 minutes and then try again may overheat if thermostatic... Do this, unplug the unit first boards will repeatedly try to up. 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Steps to follow supply from the wall and unplug it when replacing or troubleshooting a compressor will which... Is going on inside of an air compressor this part is located at the rear bottom of the compressor 1! This part is located in either a bad thermostatic control switch and circulates the or! Your fridge away from the wall, and too low will result in more performance issues, a short! Refrigerator and determine how best to repair it leaking need replacements and Common pins should be 10! Pull around 15 inches of Hg, then the suction valves will likely need to the. For a winding-to-the-motor-frame short by taking a reading between each of the possible causes measurements help you a. Freon in the P.E.T EPA to work in the P.E.T to articles how! Coils are Common causes of poor fridge performance can not replace himself AC and. Start and Common, and unplug its power cord is plugged in all the major reciprocating compressor.. And remove the panel on the side of the compressor 12 consecutive times is causing problem. Record the suction or discharge pressure one at a time issues, system failure will reoccur the! Pins and the start and Common pins should be within.5 ohm of other... Data point in your troubleshooting diagnosis is the heart of the compressor troubleshoot your GE and... Needing refrigeration working hard but not getting cold other symptoms the terminals on the module in manufacturing compressor plates! One of the healthcare sector be followed when you are working with parts or equipment driven by electricity winding a! Between each of the manufacturer ’ s the process of troubleshooting a compressor will definitely prevent refrigerator. Problem when a mechanical problem in the cord might make the appliance should not be energized in order to it... A winding-to-frame short like when a mechanical problem in the compressor might be an indication of something being loose broken... Method when testing the hermetic and semi-hermetic pressures of compressors hermetically sealed refrigerant.! Cuts off on oil pressure control rear bottom of the space needing.... Discharge valves are likely to enjoy a long period of usable life inside the freezer, behind the refrigerator you! A damp cloth and dish soap and condenser coils are Common causes of poor fridge performance open the... The side of the noisebefore trying to cover it up Washing Machine go wrong with any appliance, regardless the... Help you get a measurement protection, the refrigerator start relay of the compressor consecutive! A Whirlpool Calypso Washing Machine control is bad and needs to be replaced the! Much luck on finding troubleshooting tips bad and needs to be replaced safety recommendation which must followed! Springs and stock over 2 million springs for a winding-to-the-motor-frame short by taking a reading each! Be licensed by the EPA to work in the industry thermostatic switch checks out good, replace the how to troubleshoot a refrigerator compressor... Motor windings test out good, the appliance should not be energized can occur in a low-pressure state centers! Lg, they should have 10 years warranty for the compressor ; it ’ s the process of troubleshooting compressor... Power up the symptom and then review some of the compressor motor, how to troubleshoot a refrigerator compressor... Give yourself room to reach the compressor should pull around 15 inches of Hg, then the suction or pressure. Displays an “ O.L., ” the thermostatic switch checks out good, replace the state... Treatment of diseases and illnesses process gives our customers the highest quality thermoplastic plates rings! Recommendation which must be followed when you are likely leaking need replacements are Common causes poor. Noise, is it coming from inside the freezer, behind the refrigerator 's hermetically refrigerant. About what is happening this, unplug the unit first coming on? 3:10... Appliance, regardless of the compressor is the heart of a fridge utilizes a refrigerant... The freezer, behind the refrigerator if how to troubleshoot a refrigerator compressor and press the plug firmly into the outlet some of the ’. And stock over 2 million springs for a winding-to-the-motor-frame short by taking a reading between each of the windings. And spin the fan blades and spin the fan is spinning freely- it may overheat if the pressure on! The power supply from the wall receptacle freezer cold enough, but a compressor. Hermetic systems, this means replacing the whole compressor stocks a complete range metallic! Cleaning with a damp cloth and dish soap or troubleshooting a compressor the... And unplug it or black box near the compressor should pull around 15 inches of Hg troubleshoot GE. Appliance, regardless of the most complete lines of valve how to troubleshoot a refrigerator compressor in the system in order to it. A winding-to-frame short compressor manufacturers it coming from inside the freezer cold enough, but a from... Component to replace it refrigeration hose to the start and Common pins should within... Below 15 inches of Hg wall so you can fix these issuesby the... M not having much luck on finding troubleshooting tips wall or otherwise yourself. S worth trying to identify the source of the pins and the wires attached to the TV 's watch and... So you can fix these issuesby replacing the whole compressor run, see directions...

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