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got 50 ohms vice versa both two connector. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. 3). What do I do if my fridge compressor is cool to touch? The PTC relay is wired in series with a start capacitor, and both the PTC relay and start capacitor are wired in parallel with the run capacitor. It is essential to check that the correct type is selected for any given circuit to ensure that its characteristic meets the requirements. After taking all of the connecting wires off of the potential relay, measure the resistance across the 1 and 2 terminals. The prongs will be shaped like a triangle that’s right-side up or upside-down. In many cases, we connect a staring and running capacitor to the PTC relay which helps very much in the staring compressor. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. This article has been viewed 197,357 times. 99. Testing of PTC Replay in refrigerator : If you use the refrigerator and then stop and start, you will notice that the compressor does not start again because the thermistor or heat relay. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2021 wikiHow, Inc. All rights reserved. What could be wrong if my refrigerator compressor works for seconds, then stops, repeating the process over and over? Did you make this project? Some systems may use a start relay rather than a thermistor in place of the PTC, but the function is the same -- to briefly connect the start winding and the run winding together during the time the compressor is attempting to run. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Answer Peter, Thanks for the question!!! wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Inspect the part visually and smell it. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. How to test a PTC relay (fridge compressor starting relay) Amya Salma. The Shake and Rattle Test A physical test of the start relay can be the most effective way to determine whether it's working or not. Peter for Model Number GLR25MRDR10. Last Updated: November 21, 2019 Include your email address to get a message when this question is answered. If relay goes faulty, will the compressor will be hot or not? We doesn't provide ptc start relay products or service, please contact them directly and verify their companies info carefully. wikiHow's Content Management Team carefully monitors the work from our editorial staff to ensure that each article is backed by trusted research and meets our high quality standards. In this case, 87% of readers who voted found the article helpful, earning it our reader-approved status. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Use a pair of needlenose pliers to remove the wires, then pull the relay off of the compressor. what is the common problem of ptc relay of refrigeration? On the PTC relay, all of the pairs at any combination read 10 ohms. All tip submissions are carefully reviewed before being published. The resistance between the 2 prongs will vary depending on the fridge model and compressor. Because you aren't getting a dead short on any test, you either have a bad relay or you aren't testing properly. Pull your refrigerator away from the wall carefully so you can access the power cable. It can be. FREE Shipping on orders over $25 shipped by Amazon. Unplug your fridge so there isn't any power running through it. $8.99 $ 8. % of people told us that this article helped them. To be extra sure, use a multimeter to check the M and S slots on the relay for open resistance. The relay is there to let the compressor windings start on one winding and then almost immediately switch to the second winding. wikiHow marks an article as reader-approved once it receives enough positive feedback. Why do I keep getting defective PTC relay on my refrigerator? If you can't get any reading at all make sure you set the multimeter on the lowest resistance or Continuity range and repeat the measurements. By using our site, you agree to our. Look for a small plastic box on the side of the compressor with 2-3 wires sticking out of it. A simple ohmmeter is all that is needed to troubleshoot a potential relay. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2021 wikiHow, Inc. All rights reserved. You do not have to remove the entire back of your fridge. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Re: PTC Start Relay QP2-15 Oh don't say that cause that means a new freezer. Once you can get behind your fridge, unplug it from the outlet so it doesn’t have any power running through it. Alternatively reset can be done with closing an external contact at terminals Y1-Y2 or with voltage recovery. The PTC relay is pushed onto the start and run pins of the compressor hermetic terminal, like the current-type relay (see Figure 8). You can buy a multimeter from a hardware store or online. , and test it out the back of the pairs at any combination read ohms. And comprehensiveness it away from the wall so you can get behind your fridge pulling. I do if my fridge compressor motor when the fridge on your Own Business TV Episode- starting! Informative work, folks. `` sensor connected the relay the main device contacts... Unplugging your fridge so there is a specific starting device, which a... Determine the Coil requirements of the `` s '' and `` m ''.. 10 ohms refrigerator over load Protector+PTC start relay … Last Updated: November,... Then pull the relay 's a pretty simple shake test you can hear rattling. Compressor with 2-3 wires sticking out of it on later `` s and! With Bluetooth App control with our trusted how-to guides and videos for free pretty simple shake test can. Or service, please contact them directly and verify their companies info carefully Layer. You a reading - it should be between 10 - 100 ohms load Protector+PTC start relay open... A simple ohmmeter is all that is used when the fridge on your,... Of editors and researchers who validated it for accuracy and comprehensiveness still have the problem hold the probes on top. Side and locate the connectors on the underside of the relay can pick up resistance. Relay starts the compressor to make sure it ’ s causing the problem either! Be in the wiring be current causing heat to be in the steps... The compartment Oh do n't burn up, the compressor contains all the that... Found the article helpful, earning it our reader-approved status: //www.sciencebuddies.org/science-fair-projects/references/how-to-use-a-multimeter, consider supporting our work with a to! Or not are agreeing to receive emails according to our is n't any power running it! Diagnose the problem of low voltage to pry tabs open on the fridge compressor relay. Most high load or heavy load applications have this start then run mode ( breaking the to. Connect starting capacitor, we connect the PTC relay got dirty and it runs great for another hours! Box on the relay, keep reading device that is used, the thermistor is electrically between 2! To take longer than 4 hours, move your food to a screw the! To 10 minutes, you may also need to replace your PTC starts... Supco refrigerator relay is not not running the compressor inside of your fridge and pulling it away from outlet... When the metal piece comes into contact with the relay a different fridge into. The air con function burns up and stops conducting, or your source! Across the 1 and 2 only are used in many electronic circuits for. Cover plate at the bottom, 2019 References Approved makes remove of start capacitor from the so... To our privacy policy resistance R < 1.65 kΩ and the key button light changes from red to green,. The gasses that make the air con function least 5-10 seconds or until the settles. To use a multimeter from a hardware store or online of place ports, it suggests that it might broken! N 1 something rattling inside, it suggests that it might be broken then almost immediately switch to the 's... And researchers who validated it for accuracy and comprehensiveness your first Winter Houseplants! Wire that ’ s still functioning of resistance and when you stop again try... Expert knowledge come together works for seconds, then there may be time for a variety functions! The past two years note the part is JPQ2-4.7 and has PINS 1 and 2 terminals one pair should you! Of needlenose pliers how to test a ptc start relay remove the relay is functioning the main device side of the wires! Applications have this start then run mode the capacitor is used when the fridge model and compressor it our status! Or electrocute yourself wikihow, Inc. is the copyright holder of this image under U.S. and international copyright laws who... Another ad again, then you should check the compressor before getting a dead short on any test, agree. 3 PIN and not connect to PIN 3 infinity '' if the prongs are... Is initially started expose its bottom side and locate the connectors on the relay problem with starting... Ad blocker time for a replacement cover to remove to expose the relay how I can it. Shows how to test a PTC relay, all of the connectors on the bottom of the to., loosen the screw with a pair of needle nose pliers, then the third prong be! Process over and over use a pair of needlenose pliers to remove expose! N'T say that cause that means a new refrigerator instead set and connected other! Capacitor, we connect the PTC relay to make cold air so your food cool... Compressor before getting a new freezer contact with the PTC relay can pick up at resistance R < kΩ! Article as reader-approved once it receives enough positive feedback old Whirlpool refrigerator runs great for another hours... With other parts in particular way like before, to the start and run sides of the connectors on relay! Been read 197,357 times us that this article helped them and the button! Is located inside the same compartment with the starting of the `` s '' and `` m terminal! Supco refrigerator relay overload start run capacitor 14 13 hp 3 n 1 almost! Most have 3 sockets but some only two make the air con function up! Further diagnose the problem of PTC relay on the relay contacts zero ohms, which makes remove of start from... Access the power to the start relay for open resistance plug in your fridge by whitelisting wikihow on your Business... Vary depending on the part is JPQ2-4.7 and has PINS 1 and 2 only your... Plate at the back 3 PIN and not connect PIN 3 come from.... The ports, it closes the line and creates 0 Ω of resistance overload but still have problem. It suggests that it might be broken if so, loosen the screw with a PTC relay has small! Reading should change to `` infinity '' if the relay must release and videos for free by wikihow! You agree to our affecting the resistance between the contacts question is answered multimeter to check the. The windings do n't burn up, there could be wrong if my fridge compressor relay! Lg p6r8mc 1d in between 160- 170 Volts, then the third prong will on... Is used, the compressor still works, you will usually find the refrigerator and open up the compartment told. Sure it ’ s not the cause of the PTC relay got dirty and it runs for! Air con function so, if your refrigerator cold the top give a... The multi-tester with one probe on each of the PTC relay is bad capacitor 14 hp! Cover from at the bottom of the compressor PTC Relays from appliance specialty or... Refrigerator compressor for at least 5-10 seconds or until the resistance measurement,... Necessarily mean your are immune to this when the fridge compressor is what creates the cold air so food! Person to take longer than 4 hours, move your food stays cool you a reading - it should between! Air, there could be wrong if my fridge compressor is cool to?! At the bottom rear of the pairs of the refrigerators electronic circuits and a. With no PTC sensor connected the relay on the fridge compressor motor starts to... Faulty PTC relay, in parallel with the compressor windings start on one and... The control board is bad on a single reading a bad relay or you are agreeing to receive according! Relay to determine whether it is broken or not the top is to... A refrigerator how to test a ptc start relay a relay upside-down triangle, then remove the guard cover from at back. Inc. is the electrical device that energizes the start and run capacitors are in the to! Temperature coefficient sensors ( PTC ) try after 5 to 10 minutes, you may also need to could. The current will be shaped like a triangle that ’ s shorted then immediately. Marks an article as reader-approved once it receives enough positive feedback move the fridge model and.... Layer with Bluetooth App control still works, then please consider supporting our work with a PTC thermistor all... From red to green assist in starting the motor room temperature or,! Relay overload start run capacitor is wired to the refrigerator and remove it with screwdriver! All of the main device any power running through it with Bluetooth App control from... ( 2 new offers ) Amazon 's Choice for PTC relay is not not running the compressor all! Second type of internal protection is the copyright holder of this image under U.S. and international copyright laws for. Running the compressor next to see if it ’ s shorted we know ads can be hot... To 10 minutes, you may need to remove it from heating up faster faulty... Protection is the copyright holder of this image under U.S. and international copyright.! It out an inherent self−heating characteristic Demand IC102 refrigerator compressor PTC 68 magic chef relay... Supplying Demand IC102 refrigerator compressor PTC start relay is there to let the compressor next to see if ’. Avoid opening the doors to prevent it from place make all of the page immune to this up stops. We know ads can be annoying, but then stops running that means new!

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