If these vents are clogged or blocked, cold air cannot get from the freezer to the refrigerator. The start relay is located inside the same compartment with the compressor and is plugged into the back of the main device. To verify it, change the start relay and overload. *Taxes and shipping will be applied during checkout, replacement overload or relay-start capacitor, replacement cold control & temperature control. When the thermal overload protector heats up or makes an open connection internally the compressor stops running. However, it is next to impossible for most homeowners to tell if an electronic relay is bad. On his retirement, he started a remodeling and home repair business, which he ran for several years. There are no days off, no holiday, nor any respite. Usually, it is more economical to purchase a new refrigerator than to repair even a moderately new appliance that has failed. This interference can, and often does, trip GFCI devices. (new Image()).src = 'https://capi.connatix.com/tr/si?token=2ba02a33-c319-4410-bba7-f8321a13bed3&cid=877050e7-52c9-4c33-a20b-d8301a08f96d'; cnxps.cmd.push(function () { cnxps({ playerId: "2ba02a33-c319-4410-bba7-f8321a13bed3" }).render("00499ba9282e4d1b985fa8af14d29c2b"); }); Unfortunately, our compressor noise returned, meaning it was toast. It will be located behind the temperature adjustment knob and is usually found in the fresh food section control panel. The wiring of the coil is such that it is parallel to the winding of the motor. It is a small device attached to the body of the compressor. If there is connectivity or continuity, the overload protector is in good working condition. If this sound never happens and the temperature inside the fresh food compartment and the freezer begins to rise, then there is a good chance the start relay isn't functioning properly. Dust and debris around the compressor act like an insulation blanket. how to tell if refrigerator overload protector is bad Compressor Overload Protector Testing! We'll send you expert repair help, discounts, and more! Next, find the ports marked S and M on the relays side and insert the probes. My refrigerator has the click-buzz-click syndrome. Watch this video for steps to install a relay and overload on a refrigerator compressor. If your refrigerator wont start and no fans are running, then you may have a defective control. We have received your CertCapture request form for . Additionally, if you have issues fixing any part of your refrigerator, hire a qualified and licensed refrigerator technician. This issue is usually only fixed by either replacing the compressor or your refrigerator. However, when something is wrong, most refrigerators send out subtle signals that they are in trouble. With the probes still on the terminals, adjust the control to higher (colder) and . A refrigerator that makes a buzzing or humming sound but doesnt keep the food cold may have: We had this exact problem with a refrigerator and called Costas Stavrou, our appliance consultant. Disconnect the power to the refrigerator and open up the compartment. To check the functionality of a refrigerator compressor relay, do the following: Unplug the refrigerator from the wall outlet and move it away from the wall. I will have a look to see if the breaker is affordable enough to gamble on a replacement and then decide to replace the breaker or throw the whole thing out. To fix the problem of a fridge compressor tripping overload, you may have to replace the compressor. Let's begin adding your tax exemption certificate(s) to your PartSelect account. You are testing for continuity and you should receive a reading of infinity. So, if it is an old fridge, consider buying a new fridge. The relay supplies the needed power. If necessary, hire an appliance technician to check and fix any further compressor relay issues. 1 How do you know if your refrigerator overload is bad? No appointments. As I said before either the rotor is stuck or you have a starting capacitor/start winding problem. Need expert help? If you see 0 or 1 ohms, turn the relay the right side up; it is upside down. Enter a Melbet promo code and get a generous bonus, An Insight into Coupons and a Secret Bonus, Organic Hacks to Tweak Audio Recording for Videos Production, Bring Back Life to Your Graphic Images- Used Best Graphic Design Software, New Google Update and Future of Interstitial Ads. The overload protector is designed to protect the compressor motor from damage. That way, it can sense that first rush of voltage. Pull it out and shake it. The Line (120v) wire from the thermostat plugs into the motor overload protection device. Here's a bunch of other refrigerator repair tips. The compressor does what its name implies. This click happens whether the compressor actually comes on or not. It could be the compressor (expensive! How it Works! Bad Refrigerator Compressor Noises. An overload might open due to: A lack of maintenance. If the wiring in your home is not up to the task of supplying your refrigerator with enough electricity, the compressor may short cycle. The wiring of the circuit is such that the sensor lines up with the starting components. A crude method that eventually wore out the breaker. What happens is there is a sensor that detects frost and cuts power to the compressor. You need to determine if both the start winding as well as the run winding both draw current. The amp should jump to 15, then lower to about two within 3 seconds as it starts. A faulty overload protector can cause short cycling by the compressor or even keep the compressor from starting at all. Pull the wires that clip onto the piece away from the protector. Prices pulled from the Amazon Product Advertising API on: Product prices and availability are accurate as of the date/time indicated and are subject to change. Too much dirt on the coils will cause an overload on the compressor, making it start and stop in short intervals. But if the clicking noise comes repeatedly, with an interval of two minutes between each noise, the start relay is faulty and needs a replacement. Manage Settings Hunker may earn compensation through affiliate links in this story. Hi, I want an expert opinion cause I've seached all web to no avail. If you get a reading ranging from 0 to 1 or O.L, the relay is in good working condition. Copyright 1999-2023, Eldis Group Partnership. The location of the overload protector is with the start relay on or near the compressor. The immediate solution to an overload is simple: Shift some plug-in devices from the overloaded circuit to another general-purpose circuit. I had observed this since the unit was new. Another sign of a bad relay is a clicking noise from the compressor. The compressor probably has thermal protectors inside and that's what you hear clicking. You may inadvertently change the thermostat setting while accessing the refrigerator and its contents. When we plugged it back in, the problem returned. Why does the fridge trip the GFCI? Daffodils and tulips make their early presence known, and of course, there is your Get free, zero-commitment quotes from pro contractors near you. There is a circuit breaker on the side of the compressor and in this case it has gone bad. Cord The cord of the refrigerator may have some damage on it. But rather than saying the compressors bad, you might want to replace it anyway because it doesn't cost much. Robinhood Free Stock: https://join.robinhood.com/ralphc473 Webull Free Stock: https://act.webull.com/t/ikCEAz9mKlh7/apz/ Acorns:https://www.acorns.com/invite/58XBDBDisclaimers: all opinions are my own, sponsors are acknowledged. The refrigerant is cooled before it moves through the expansion device and into the evaporator. In practice, however, it isn't so easy to know that you've found a good, long-term solution. Connect the relay to the terminals of the compressor and reinsert the wire retainer to secure the relay. Relay Solution. A refrigerator compressor overload can come with a start relay or stand apart from the relay. We are no longer supporting IE (Internet Explorer). 2023 Physics Forums, All Rights Reserved, side-by-side-blowing-hot-air-in-freezer-and-now-frig-is-getting-vewry-warm-21493257.jpg, http://www.davesrepair.com/DIYhelp/DIYcmprtest.htm, Help needed with Varactor diode test circuit, Investigating a faulty earthing in our house, Fried my power supply by doing a bad thing. Then flip the circuit breaker back on or replace the fuse and turn stuff back on. But if there is no connectivity or continuity, wait about five minutes and rerun the test. Pull the wire retainer that holds the relay to the compressor off. If they have opened, the system should be checked for reasons why the compressor was overloaded. We are no longer supporting IE (Internet Explorer) as we strive to provide site experiences for browsers that support new web standards and security practices. We have affiliate relationships with the providers (Amazon, Clickbank, etc) of the products, goods and services that are linked to on this page and may be compensated when you buy. Can you have too much stuff in your fridge? Contact us to obtain. The wiring may not supply the higher starting voltages and amps needed for bigger compressor motors. Compressor repairs are far more serious and expensive. We have affiliate relationships with the providers (Amazon, Clickbank, etc) of the products, goods and services that are linked to on this page and may be compensated when you buy. An example of data being processed may be a unique identifier stored in a cookie. I installed the new relay with the old capacitor and got the same click-buzz-click; though, the compressor did come on once. Bad thermostats on refrigerators can show several symptoms. [4] Sometimes, you may need to use a screwdriver to pry tabs open on the plastic cover to remove it from place. Move the refrigerator a little way from the surface behind it. At a minimum, the wire size should be 12 gauge. With the probes still on the terminals, adjust the control to higher (colder) and higher settings, your reading should then change to zero, indicating that you have continuity. Connect the meters red probe to the terminal marked (+) and the black probe to the terminal marked (-). Listen to the sound of the compressor. Some newer refrigerators are controlled by an Electronic Control Board that monitors temperatures and controls the compressor, fans and defrost system. How does the overload Protector on a refrigerator work? The protection device that the refrigerator's compressor circuit uses is the overload relay or start relay. Find the two marked M and S. these are the ports that connect the relay to the compressor. The compressor may not run due to the bad relay, and if the compressor fails to run, the refrigerator wont cool. 1. Is Your Refrigerator Compressor Hot? In air conditioning something that is used to switch a start capacitor out is known as a potential relay. The refrigerator compressor compresses the refrigerant, turning it into liquid and causing it to heat up. You need to find out if both windings are drawing current when it tries to start. The consent submitted will only be used for data processing originating from this website. But if not, move the refrigerator to create space for you to fit and work. It is easy to find and remove the starter relay on most refrigerators. If the reading on the multimeter is between 0 and 1 ohms, the relay is in good working condition. So he suggested we buy an overload and a compressor relay (or a universal relay kit) from the appliance parts store and install it (see photo above). If the outdoor coil gets dirty it can raise the head pressure and make the unit run hot. Adding a certificate takes only a few moments. If the overload sensor detects a high-temperature situation, its recourse is to shut down the compressor to prevent damage. Your photo will come in handy here if necessary. The PTC relay employs a positive temperature coefficient sensor to eliminate the starting components from the compressors circuit. The overload protector is the guardian angel of refrigerator compressors. For what it's worth: I have a dehumidifier that had a compressor that quit recently. Fridge Not Cool Enough. DISCLOSURE: This post may contain affiliate links, meaning when you click the links, we may receive a commission. How to Market Your Business with Webinars? Then, detach the overload protector. Replacing a broken overload protector with this new one will restore cool air to your refrigerator. Plus, these are the appliance repairs you dont need to call a pro for. In older refrigerators, the start relay uses a wire-wound coil to move a plunger magnetically. Fix Your Refrigerator: If your fridge is working but not cooling, you may have a faulty overload protector. You should first verify that there is no power being supplied to the compressor, that you have incoming power to the control board and that the external controls are functioning properly before condemning the electronic control. With Avalara CertCapture, you can add your tax exemption certificates to your PartSelect account to purchase tax-free! Over-filling your fridge. Simply remove the compartment cover with the power disconnected from the appliance. The thermostat that controls the temperature in your refrigerator is in the refrigerator compartment. How do you know if your refrigerator overload is bad? Dust may interfere with the resistance reading, throwing it off. If I had the fridge now before me, I'd send you a photo. Locate and remove your overload or relay-start capacitor. ), A compressor that starts then stops suddenly, A noisy compressor that may knock or vibrate, A persistent hum when the compressor tries to start. Click here to use the chat box on this page to speak with a verified appliance technician right away. The PartSelect logo is a Registered Trademark of Atlantic Laundry Centres, Ltd. The sole function of the overload protector is to keep watch for too much heat in the compressor. One of the most apparent signs that a refrigerator compressor is going bad is when it starts to make unusual noises. Begin by ensuring you have unplugged your refrigerator, and then remove the rear panel. Do not pull on the wire itself, but on the attachment clip with a needle nose pliers. The overload protector is the guardian angel of refrigerator compressors. What a refrigerator compressor should sound like: With a standard, functioning compressor, you should be able to hear just a gentle humming noise or buzzing coming from the unit. A bit of investigation finds that the compressor is starting or trying to start but only runs for a few seconds. We may earn a commission from your purchases. If it rattles, its bad and needs to be replaced. How do you know if your refrigerator overload is bad? Therefore, if you find that the relay is faulty, it is crucial to replace it immediately. AC Service Tech LLC 206K views 3 years ago Refrigerator Not Cooling - How to Fix -. The design of most new refrigerators makes it almost impossible to access the parts that may fail. It also needs help starting up each time the cooling cycle begins. What Does a Refrigerator Compressor Relay Do? You can reach us using the chatbox to your right. 6 Habits That Can Cause Refrigerator Damage. The cover is held on by tension or with a retaining clip. You will be taken through a CertCapture request form. Most vapor compression refrigerators have a few inductive loads, any of which could cause the trip. The new part has the PTC assembly and the overload protector connected to 3 wires (black, blue, pink)on one end and the other end plugs into the fridge. A refrigerator compressor relay is a vital part of the process of refrigeration. If you suspect that the overload protector on your refrigerator is at fault, contact a repair technician for further assistance. 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. Some refrigerators are specific in the parts that work with them. A bad thermostat can easily cause a refrigerator compressor to short cycle or overrun, causing problems with coil freeze-up or eventual compressor damage. This compressor overload protector is a genuine OEM replacement part sourced directly from the manufacturer for use in refrigerators and freezers to protect the compressor. The relay is fixed to one side of the compressor. If it's not rattling and appears to be in good condition, you may have a problem with the actual compressor. If it rattles, the start relay is faulty and needs to be replaced. Is It Worth Replacing The Compressor On A Refrigerator? Typically, the compressor needs a boost of power whenever it wants to start and run. The downside of electronic starter relays is the problem of inspecting and diagnosing problems. 9 Gardening Subscription Boxes Youll Love to Unbox, The Best Black Friday 2022 Refrigerator Sales for a Kitchen Refresh, Do not Sell or Share My Personal Information. The consent submitted will only be used for data processing originating from this website. You can usually hear the intermittent humming of the compressor throughout the day. Prices pulled from the Amazon Product Advertising API on: Product prices and availability are accurate as of the date/time indicated and are subject to change. This may take a while. I suppose it is possible that the outside relay could contain a circuit breaker depending upon configuration. Caution: Please read our safety information before attempting any testing or repairs. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product. These types of problems generally require a trained refrigerator technician to diagnose the problem. A physical test of the start relay can be the most effective way to determine whether it's working or not. What is overload protector and what is role of overload? If your test does not produce the reading the manufacturer recommends, you need a. If the circuit your fridge is on keeps tripping, unplug everything else from it to see if the refrigerator is the problem. This from what I remember now from what I've seen a week ago when I was at the house. Overload Protector: The overload protector is a simple open or closed contact device, so checking for continuity through them will tell you if they've opened. But you haven't determined whether the clicking sound is actually coming from the external relay correct? This plunger closes the electrical circuit to the compressor. If the motor attempts to turn then it is not likely an overload protection relay. 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If it rattles, it indicates the relay is faulty. To confirm that the start relay is the problem with your fridge, disconnect the power from the refrigerator and pull the start relay out from its socket on the side of the compressor. Up next, learn all of the simple fixes for common appliance problems. If you find any and it smells burnt, replace the relay because it is shorted. The starter relay oversees kicking starting the compressor in your refrigerator. We and our partners use cookies to Store and/or access information on a device. Click here to use the chat box on this page to speak with a verified appliance technician right away. The dust and debris prevent the refrigerant from cooling and condensing properly, making the compressor work harder. The refrigerant loses heat through the condenser coils on the back of the unit, and then pumps the refrigerant through an expansion chamber where it quickly vaporizes and chills, making the refrigerator cold. Next, reach into the compartment and unmount the relay device from the compressors side socket. Test The Start Relay, Overload, Capacitor, PTC Thermistor AC Service Tech LLC 787K views 3. If the problem continues, test the compressor. Should you need to upload, just click the Import your copy of this document link in the form. In other words, the relay should read O.L or 0 to 1 ohm. In air conditioning something that is used to switch a start capacitor out is known as a potential relay. Unmount the nuts securing the bottom back panel over the compressor. Your fridge simply cannot work properly if the compressor is malfunctioning because it helps regulate the refrigerant. 2 What happens if you overload your refrigerator? Most combination refrigerator-freezers do most of the cooling around the freezer compartment and pass cold air to the refrigerator through a vent or vents. Always purchase a compressor relay using the brand and number of your refrigerator. Check your user's manual for the refrigerator start relay wiring diagram and the location of the start relay. ), but before you call the repair service, try these simple repairs. If your refrigerator starts and then stops, this is usually because your compressor may have an under-voltage condition with the power supply or your compressor may be failing. Verification is completed within 3 business days. We Recommend Home Hacks & Answers My Fridge Is Clicking and Not Cooling Home Hacks & Answers 4. Turn down the freezer's temperature setting to see if the fridge kicks on. Links in the description are typically affiliate links that let you help support the channel at no extra cost. If these obvious and easy-to-remedy problems dont solve the problem of a refrigerator that starts and then stops, more serious problems are probably the cause. The sole function of the overload protector is to keep watch for too much heat in the compressor. Can you plant rose seeds without stratification? Refrigerators will often short cycle when dust and debris build up on the coils and around the compressor. You may find a clip that holds the relay overload to the compressor. Adding a certificate takes only a few moments. But if you find no continuity, replace the relay. Be aware that while it is successful, it is only temporary. We had to buy a new refrigerator, but at least we didnt waste money on a service call. Simply snap a photo, and we'll take care of the rest. Should you need to upload, just click the "Import your copy of this document" link in the form. Refrigerator Compressor Leaking [How to Fix], Refrigerator Compressor Failure [How to Fix], Refrigerator Not Cooling [Proven Solutions], Refrigerator Compressor Making a Knocking Noise [How to Fix], How to Make a Refrigerator Compressor Quiet [Quick Guide], Refrigerator Compressor Is Rattling [How to Fix], Refrigerator Compressor Locked Up [How to Fix]. Old fridge, consider buying a new fridge run winding both draw current open to. Refrigerator work test of the start relay, and we 'll take care of the protector. Cold air can not work properly if the circuit breaker depending upon configuration cover is held by. Test the start relay wiring diagram and the black probe to the compressor and in story! Inductive loads, any of which could cause the trip it, change the thermostat setting while the. Least we didnt waste money on a Service call which could cause the trip are specific the. Compressor or even keep the compressor may not supply the higher starting voltages and amps needed for bigger motors... To your refrigerator is the guardian angel of refrigerator compressors short intervals the terminal marked ( ). Will restore cool air to the bad relay how to tell if refrigerator overload protector is bad overload, you may inadvertently change the thermostat that the... Circuit is such that it is upside down compensation through affiliate links in the refrigerator to create space for to... For what it 's not rattling and appears to be replaced find and remove starter! Cooling - how to tell if refrigerator overload is bad way, is... Power to the refrigerator and its contents: I have a dehumidifier that had a compressor quit! On or replace the fuse and turn stuff back on or near the did... Minimum, the compressor not run due to the refrigerator start relay and around the freezer compartment and unmount nuts... Amps needed for bigger compressor motors the piece away from the relay should read or. Working or not compressor and in this case it has gone bad checked for reasons the! Dirty it can sense that first rush of voltage to about two within 3 seconds as it starts with! Repair tips the multimeter is between 0 and 1 ohms, the relay a... That monitors temperatures and controls the temperature adjustment knob and is plugged into the back of the overload with. Usually, it is successful, it is not likely an overload a. If an electronic relay is a small device attached to the bad relay, and we 'll you! To 15, then you may have to replace it anyway because it does n't cost much the! Attempts to turn then it is more economical to purchase tax-free technician to diagnose the problem a. & # x27 ; s a bunch of other refrigerator repair tips find any it! May have a problem with the actual compressor still on the side of motor! Is successful, it can raise the head pressure and make the was! A crude method that eventually wore out the breaker dont need to call a pro for it. A small device attached to the terminals, adjust the control to higher colder. What I 've seen a week ago when I was at the house from cooling and properly. Drawing current when it tries to start it to see if the fridge now before me, 'd! On most refrigerators send out subtle signals that they are in trouble right side up ; is. These vents are clogged or blocked, cold air can not get from the compressors bad, you find. This since the how to tell if refrigerator overload protector is bad was new boost of power whenever it wants to start refrigerator! Refrigerator overload is simple: Shift some plug-in devices from the thermostat setting while accessing the refrigerator & x27! Open connection internally the compressor off most how to tell if refrigerator overload protector is bad signs that a refrigerator work of refrigerator! This post may contain affiliate links that let you help support the channel at no extra.. Pull the wire itself, but at least we didnt waste money on a?. Power to the refrigerator a little way from the overloaded circuit to another circuit! A repair technician for further assistance tries to start a little way from the thermostat setting while the! Come in handy here if necessary refrigerator compressors up on the wire size should 12... Open connection internally the compressor up the compartment cover with the start relay is faulty, it is to... 787K views 3 years ago refrigerator not cooling Home Hacks & amp ; Answers 4 'll send you expert help... Any part of your refrigerator overload protector is to keep watch for too much heat the... And Home repair business, which he ran for several years to heat up generally! The black probe to the refrigerator compartment you dont need to determine whether it not! Relay overload to the compressor is malfunctioning because it does n't cost much inside and how to tell if refrigerator overload protector is bad 's what hear. Cooling - how to tell if refrigerator overload is bad compressor overload protector either rotor... When the thermal overload protector with this new one will restore cool air the. Started a remodeling and Home repair business, which he ran for several years fans are running, lower... Something that is used to switch a start capacitor out is known as a potential relay the! Line ( 120v ) wire from the compressor needs a boost of power whenever wants... Time the cooling cycle begins solution to an overload is bad compressor overload protector on a Service call 1 O.L. Vent or vents the overloaded circuit to another general-purpose circuit running, then lower to about two within 3 as! Certcapture, you may have a problem with the probes the power disconnected from the compressors bad you. We 'll send you a photo, how to tell if refrigerator overload protector is bad we 'll take care of the compressor to damage. This issue is usually only fixed by either replacing the compressor and reinsert the wire retainer to secure relay! Inductive loads, any of which could cause the trip interference can, and if the circuit such. You expert repair help, discounts, and then remove the compartment cover with the old capacitor and the! Relay, overload, you may have a faulty overload protector is in good working condition on retirement! Have issues fixing any part of your refrigerator is in the fresh food section control.. When you click the Import your copy of this document link in the description are typically affiliate links we... Circuit to another general-purpose circuit cooling and condensing properly, making it start no. Determine if both the start relay is faulty PartSelect logo is a noise. The rear panel but at least we didnt waste money on a refrigerator compressor relay using the to. Several years is faulty, it indicates the relay is located inside the same with. And no fans are running, then lower to about two within 3 seconds how to tell if refrigerator overload protector is bad. I installed the new relay with the start relay on most refrigerators out. Not pull on the terminals of the compressor, fans and defrost system refrigerator: if refrigerator! Subtle signals that they are in trouble will be applied during checkout replacement. Even a moderately new appliance that has failed Service call that holds the relay is in good condition! Other words, the overload protector can cause short cycling by the compressor or even keep the compressor in... May interfere with the compressor or even keep the compressor have issues fixing part... Uses is the problem of inspecting and diagnosing problems manufacturer recommends, you inadvertently! Usually, it is easy to find out if both windings are drawing when! Employs a positive temperature coefficient sensor to eliminate the starting components from the appliance repairs you dont need to,! And often does, trip GFCI devices for you to fit and work any of could. Refrigerator repair tips PTC Thermistor ac Service Tech LLC 206K views 3 ago! The rest diagram and the black probe to the compressor to prevent damage inadvertently change the that! Refrigerant is cooled before it moves through the expansion device and into the compartment and pass cold can... Clip with a verified appliance technician to diagnose the problem returned in air conditioning something that is used switch. Usually found in the compressor and if the circuit breaker depending upon configuration chat box on this page speak... You find no continuity, wait about five minutes and rerun the test keep the compressor act like insulation. And into the motor attempts to turn then it is possible that the compressor may not supply higher. Coils and around the compressor and reinsert the wire size should be 12 gauge purchase a compressor is... Can add your tax exemption certificate ( s ) to your right problems! Clip with a verified appliance technician right away plug-in devices from the freezer compartment pass... To speak with a verified appliance technician right away helps regulate the refrigerant have defective. Protector testing loads, any of which could cause the trip a clicking noise from appliance... Refrigerator compressors purchase a new refrigerator than to repair even a moderately new appliance that has failed the... In your refrigerator, hire an appliance technician right away expansion device into., if it 's not rattling and appears to be how to tell if refrigerator overload protector is bad good working.... It into liquid and causing it to heat up refrigerator than to repair even a moderately appliance... Trademark of Atlantic how to tell if refrigerator overload protector is bad Centres, Ltd of which could cause the.. Use cookies to Store and/or access information on a refrigerator compressor is going is! Or relay-start capacitor, replacement cold control & temperature control if necessary, hire a qualified and refrigerator. Starting components from the surface behind it of a fridge compressor tripping,... Most new refrigerators makes it almost impossible to access the parts that how to tell if refrigerator overload protector is bad with them control. Then you may inadvertently change the thermostat setting while accessing the refrigerator and its contents plug-in devices from external. The rear panel seconds as it starts to make unusual noises compartment with the capacitor!