10. The high limit thermostat can be found in gas and electric dryers and serves as a safety feature that helps to prevent the dryer from becoming too hot when it’s running. This thermostat controls the internal drying temperature. If the exhaust vent on your dryer is kinked or blocked, the hot air will be confined in the dryer and the high limit thermostat attached to the heating chamber will trip and stop the electricity from flowing to the gas valve or heating element. WPW10116735 Maytag Dryer High Limit Thermostat. Use our step-by-step dryer repair guide to learn how to test your thermostat. If no problems are found with the Thermal Limiter, check exhaust vent system for air blockages. If you can figure out how to disassemble your dryer, you can access these parts. Set your multimeter to the R X 1 setting. Once you have the new Hi-Limit Thermostat in hand the replacement is really easy to accomplish. Your appliance may differ depending on the manufacturer and model. We have received your CertCapture request form for . We also have installation guides, diagrams and manuals to help you along the way! Check the element is not shorted to ground. The dryer's thermal cut-off is similar to the thermal fuse and the high limit thermostat. The hi-limit thermostat is a fairly reliable dryer component and is rarely the cause of dryer heating problems. Step by step instructions on how to replace a High Limit Thermostat #WP661566 for Dishwasher made by Whirlpool, KitchenAid, Roper, Kenmore, Maytag, Magic Chef, Jenn-Air, Estate. Dryer worked like a charm! So there are three temperature sensors in … Dryer Thermostat. Thermostats open and close an internal switch when subjected to the temperature of their environment. Start the dryer on a timed cycle with high heat. It is located on your dryer’s heating element. We also have installation guides, diagrams and manuals to help you along the way! It will shut off the heating element if it reads a certain temperature, hence the name. If the thermostat has tripped, the dryer will not heat. The blue wire on high limit thermo was burned and cracked. When the dryer cools to a certain temperature, another thermostat closes the connection and kicks the heat back up. Get it as soon as Fri, Oct 2. Take each of your meter's probes and touch one to each terminal. The thermal cut-off needs to be replaced as a set. After locating the high limit thermostat, carefully remove it from the dryer in order to test it. Day 1 My LG DLE3777W Dryer stopped heating the other day. It spins and thinks it's operating normally, but no heat. I bought a confusing digitial multimeter and put it on Ohms 20K. My dryer wouldn't heat (even though it would turn on and spin). Therefore, your dryer will not heat up properly if this device is broken. It will break electrical contact to the dryer's burner or heating element if it senses that the dryer is reaching an unsafe temperature. 97 ($2.74/Count) 5% coupon applied at checkout Save 5% with coupon. It doesn’t cover every dryer part (yet), but ... High Limit Thermostat Replacement. I bought a confusing digitial multimeter and put it on Ohms 20K. The high limit safety thermostat should open before the thermal cut-off opens. My dryer will not dry on high, only medium heat. It is located on your dryer’s heating element. 4.7 out of 5 stars 119. If the heater element is good, check the resistance of the high limit thermostat (Key #15) and the thermal cut-off (Key #21) on the side of the heater box (NOTE: All resistance checks should be conducted with the dryer unplugged and wires removed from the component leads). I'm not 100% certain how to use the meter. Chat (offline) Sears Parts Direct. Help - LG Dryer keeps blowing high limit thermostat. Day 2 I took it apart and found that one of the high limit thermostats had no continuity, bingo I thought. Hello. The hi-limit thermostat will remain unaffected through all of these cycles, since the temperature inside of the dryer will stay lower than what is required to activate the hi-limit sensors (generally 250-degrees Fahrenheit, though the exact … If the safety thermostat fails in the open position, the dryer won't heat. Hold times are long. 3977393 Dryer Thermal Fuse & 3392519 Thermal Fuse & 3977767 Dryer High Limit Thermostat & 3387134 Dryer Cycling Thermostat - Replacement Part for Whirlpool Kenmore Dryer. With Avalara CertCapture, you can add your tax exemption certificates to your PartSelect account to purchase tax-free! Dryer only heats up on auto sense drying low heat and intermittent or no heat on auto sense drying high heat/timed dry high heat. A cycling thermostat can be found somewhere in the path of air that is leaving the drum. The PartSelect logo is a Registered Trademark of Atlantic Laundry Centres, Ltd. Regardless. How to Replace Igniter . That would indicate no problem with the heating element, so next you will need to do the same test for the high-limit thermostat. LG is a South Korean made Dryer so they may name them different and consider the cut-off thermostat another high limit thermostat, that's why there's two on yours. Verification is completed within 3 business days. Dryer worked like a charm! Already ordered? 2.0 out of 5 stars 1. These components should be closed (measure near zero resistance). Today I came home and the dryer would not heat. Label these wires before you remove them so that you are able to correctly reconnect them later. Day 1 My LG DLE3777W Dryer stopped heating the other day. LG Dryer . Drove to Sears, got a replacement and installed it. How to Replace Thermal Cut-off Kit. 2. The thermostat is designed to shut off power to the dryer’s heater when the dryer vent is blocked or clogged. Disconnect the power source to your dryer before you conduct this or any other test. When I go into diagnostic test mode and push start button the flame comes on and it seems to operate fine, when I am in normal mode and turn it on using any setting the dryer turns on but no heat, the flame might come on for a minute then shuts off and doesn't come back on. If you placed an order on ApplianceHelp.com the order is still valid and you can check on its status and make changes here on PartSelect.com. The thermostat is designed to shut off power to the dryer’s heater when the dryer vent is blocked or clogged. Most dryers have a cycling thermostat that’s designed to automatically turn off the heating element at high temperatures. Therefore, your dryer will not heat up properly if this device is broken. I have replaced the following parts: Moisture sensor, thermistor assembly, the thermostat on the blower, high limit thermostat and the burner tube thermostat in that order on 4 different times. The only difference in these thermostats is their opening and closing temperatures. The wires leading to the thermostat are connected using metal slip on connectors. Remove one wire and measure the resistance through the high limit thermostat. Join Repair Clinic's VIP email list for 10% off, plus other discounts and tips! If the vent system stays blocked the high limit thermostat will eventually fail and, the dryer won’t heat up anymore. Okay, the manual-reset thermostat tripped in a pot of water at about 207F. Start doing it yourself with the confidence that comes with 100+ years of experience. Follow This Link To Get a Part To determine if the Hi-Limit Thermostat you can test it with a multimeter to check for an open condition. The dryer should continue to cycle between about 130 to 150 degrees. Rather it will either be the thermal fuse next to it. And of course the heater itself. Sometimes, a thermostat will not function at all and the result will be a cold dryer, or one thermostat may stay on regardless of the temperature. Check the high-limit thermostat. At room temperature, testing the thermostat should produce a reading of zero. The safety thermostat resets when the dryer cools. Dryer Igniter Test. Either unplug the unit from the wall outlet, remove the appropriate fuse from the fuse box, or flip the appropriate breaker in the circuit breaker panel. The burner glows about 5 minutes later but there is no flame and will not heat up again. I have replaced the high limit thermostat 3 times already and it just went out again. It depends on the brand and model number of your dryer. If the high limit thermostat is bad, remember to correct the cause of the air flow restriction before you change the part. You will be taken through a CertCapture request form. Enter your model number and our Instant Repairman will help diagnose and fix your appliance. If the Hi-Limit Thermostat fails it will not allow the heating element to turn on and there will be no heat to force into the dryer to dry your clothes. I checked the Thermal fuse and Cycling Thermostat with an ohmmeter - these existing parts were good. Test the high limit thermostat. I am hoping someone on this forum can help me determine why I keep blowing high limit switch on LG Electric Dryer Model DLEX7177RM. FREE Shipping on your first order shipped by Amazon. The high-limit thermostat is a commonly replaced part for a dryer not heating. We will notify you via If you need to replace the thermostat you can contact Maytag. Quick, easy fix. I cannot see any cracks in the heater coil (have replaced that 2X in last3 years). All dryers have a high limit safety thermostat that cuts power to the element at a lower temperature than the thermal fuse burnout temperature. help. Can I bypass the high limit thermostat to test if that is my problem? Whirlpool. $36.21 Special Order. Source(s): https://shrink.im/a9lji. If this component is broken or malfunctioning, the clothes dryer may produce excessive heat. The element should then cycle back on. For more information about dryer thermostats: The thermal cut-off is a set of two thermostats, one of which will not reset once cool. Also, you will want to check the Internal-Bias Thermostat Part Number WP8318268. For more information about dryer thermostats: All brand logos are trademarks of their respective owners. The high-limit safety thermostat shuts off the heat when the dryer overheats because either the operating thermostat fails or the heating element has a short circuit. In addition, the dryer may have a thermometer and temperature control or a simple thermostat. If you want your oven to cook food evenly, it’s critical that the thermostat is working correctly. The cycle selected determines which thermostat is used. Record the minimum and maximum temperatures of three cycles, then add those figures together, divide the result by six and you have the oven's average temperature. I took back panel off and saw that the high-limit thermostat was burned out (one of the terminals was burnt off). Note: This video is intended to give you the general idea of the part replacement procedure. To test the thermostat, you’ll first need to remove it, then use a multimeter to test it. How to replace the igniter in a Whirlpool brand dryer. Bypassing a thermostat or high limit switch should only be done as a troubleshooting measure if you don’t have a voltmeter. If you have good airflow through the dryer the cycling thermostat should open first cutting power to the element. Access the dryer's rear panel. Symptoms are usually a very short heating cycle with a low drum temperature, or no heat at all. Here is a Repair Clinic.com video that show how to test … The thermal cut-off that sits next to the high limit safety thermostat is rated at a higher temperature than the safety thermostat. i already replaced the dryer cycling thermostat, dryer high limit thermostat, and the thermostat above the heater (came with the thermal cut off kit). is open, check for evidence of high temperature event and any resulting damage. Shipping all 7 days! It will break electrical contact to the dryer's burner or heating element if it senses that the dryer is reaching an unsafe temperature. It should read near zero ohms. If the test you conduct with your thermostat does not produce these results, then you should replace the component. Under normal conditions, the dryer's primary operating thermostat will cycle the heater on and off to prevent temperatures from rising too high within the dryer. Please enter one or more characters . Pull the dryer from the wall and locate the rear access panel. The high-limit thermostat cuts off power to the dryer if it overheats. 4.5 out of 5 stars 344. We'll send you expert repair help, discounts, and more! Dryer thermostats are usually oval shaped and about an inch and a half in length. Let's begin adding your tax exemption certificate(s) to your PartSelect account. Should you need to upload, just click the “Import your copy of this document” link in the form. When the dryer's heat gets too high, it has one thermostat that breaks the circuit and allows it to cool down. High Limit Temp: 250°F / 121°C Thermal Fuse Temp: 309°F / 154°C Can handle loads up to 25 amps at 240VAC Thermostat L250-80 Degrees Fahrenheit High limit fuse 309 Degrees Fahrenheit. If the test you conduct with your thermostat does not produce these results, then you should replace the component. The dryer should heat up to about 150 degrees. This may take a while. $7.10 $ 7. The dryer's thermal cut-off is similar to the thermal fuse and the high limit thermostat. The cycling thermostat will not be your problem if the dryer is not heating at all. High-limit thermostat; Operating thermostat; Thermal cut-off fuse; Timer ; Check the power cord. These mechanisms rely on two other types of thermostats. This page was created to show you how to test and replace the parts on your dryer. $15.87 In-Stock. Drove to Sears, got a replacement and installed it. One is a high-limit thermostat that disrupts the electrical connection if the dryer gets too hot. Adding a certificate takes only a few moments. We strongly recommend that you test your thermostat at room temperature. Adjusting the thermostat: Test the oven temperature by placing the tester in the oven's center and leaving it for 30 minutes at 350 degrees. From what I have read online, if a part is good, the numbers on the meter will go down until they hit zero. The high-limit thermostat is found on the upper right-hand side of the heater housing, and it cuts off power to the dryer motor if the temperature reaches an unsafe level. Find Your Part Number. +1-888-873-3829. To determine if the thermostat is defective, use a multimeter to test it for continuity. Dryer isn’t heating or takes too long to dry? I'm an amatuer and attempting to repair my dryer. I have replaced the high limit switch 3 times, and on the last replacement, I also replaced the thermostat mounted on the heating element housing. You can also test the High Limit Thermostat, PartSelect Number PS267900. It doesn’t cover every dryer part (yet), but it will give you the knowledge to test and replace parts that aren’t even listed below.. Hope this helps! Find Your Part Number. Error occurred, please verify your email and try again. High-limit thermostat, 2 wire, 250 degree limit, 60 degree cool down before reset. This dryer thermal cut-off kit includes one high-limit thermostat with a limit of 250 degrees Fahrenheit, and one thermal cut-off fuse (309 degrees), so it cycles the heat in the unit. 9 years ago. Two screws to put new thermostat in, dryer works fine now! All of the those fuses and heater can be checked with a simple continuity check with the meter. I have a Samsung dryer. Appliance: Whirlpool Residential Dryer LE5700XSW0 My Repair & Advice. Function of the Limit Switch . WP3977767 Whirlpool Dryer High Limit Thermostat. $18.45 In-Stock. The operating thermostats are often found on the fan housing on Maytag, Whirlpool and Kenmore dryers. You’ll need to unplug the dryer and use a multi-meter to check the high limit thermostat for continuity. Remove the wires by pulling on the connectors, and not the wires themselves. My dryer is a Kenmore Elite HE4 Model#110.95866400, the flame comes on for about a minute then shuts off. I have tested the operating thermostat and it has continuity as do the two on the high right side. To determine if the Hi-Limit Thermostat you can test it with a multimeter to check for an open condition. I'm an amatuer and attempting to repair my dryer. I changed the lower high limit thermostat and the operating thermostat on the blower housing. Clip one of the test leads from your DMM to each terminal on the thermostat. Get it as soon as Sat, Oct 10. The hi-limit thermostat will cycle the dryer's burner or heater off if the ducting has become clogged blocking proper airflow. FREE Shipping on your first order shipped by Amazon. $10.97 $ 10. The high-limit thermostat cuts off power to the dryer if it overheats. Verification is completed within 3 business days. The high-limit thermostat is a commonly replaced part for a dryer not heating. Hope this helps! The high-limit thermostat is found on the upper right-hand side of the heater housing, and it cuts off power to the dryer motor if the temperature reaches an unsafe level. This dryer thermal cut-off kit includes one high-limit thermostat with a limit of 250 degrees Fahrenheit, and one thermal cut-off fuse (309 degrees), so it cycles the heat in the unit. When the dryer's heat gets too high, it has one thermostat that breaks the circuit and allows it to cool down. If the vent system stays blocked the high limit thermostat will eventually fail and, the dryer won’t heat up anymore. Under normal conditions, the dryer's primary operating thermostat will cycle the heater on and off to prevent temperatures from rising too high within the dryer. An oven thermostat reads and regulates the temperature inside of your oven. My dryer heats up normally for about a minute then cools down. Your dryer uses multiple thermostats to regulate its internal temperature. The safety thermostat resets when the dryer cools. Also, there should be two wires leading to each thermostat. A dryer's thermostat is a complex component of the control system. The first 2 times I thought was a result of duct blockage (we just moved into a different house 6 weeks ago), and realized that since we werent familiar with the new setup that maybe we missed something. Copyright © 1999-2020, Eldis Group Partnership. High-limit thermostat, 2 wire, 250 degree limit, 60 degree cool down before reset. Initially, the air above the heat exchanger—in the supply plenum—is not warm enough to blow into the house, so the limit switch keeps the blower off. This thermostat has an internal heater L155-25F. LGR8648PWO. I hooked it back up but did *not* mount it back on the funnel so that I could do the timed-dry/high-heat test. Depending on the information that you enter, you may be able to add your tax exemption certificate immediately and Get shopping advice from experts, friends and the community! It will shut off the heating element if it reads a certain temperature, hence the name. Other options New from $6.96. WE4X600 GE Dryer Thermostat. Day 2 I took it apart and found that one of the high limit thermostats had no continuity, bingo I thought. I test ran the clothes dryer with the air duct connected, back cover off and checked the ampere draw (21 amps at the heater), and the voltage (240 vac). But if a thermostat is tested when it is heated to its limit, a reading of infinity should be produced. 3387134 Dryer High Limit Thermostat Replacement Parts for Whirlpool Kenmore Maytag Dryer Replaces 306910, 3387134, 3387135, 3387139, WP3387134VP. It’s easy to forget and assume nothing is wrong with the power, but that’s an important check at the beginning of your electric dryer troubleshooting process. There are two different thermostats in your dryer, the operating thermostat(s) and the high limit ( safety ) thermostat(s). My dryer is a Kenmore Elite HE4 Model#110.95866400, the flame comes on for about a minute then shuts off. When I go into diagnostic test mode and push start button the flame comes on and it seems to operate fine, when I am in normal mode and turn it on using any setting the dryer turns on but no heat, the flame might come on for a minute then shuts off and doesn't come back on. To determine if the thermostat is defective, use a multimeter to test it for continuity. Touch one of the multimeter probes to the left terminal and the other probe to the right terminal at room temperature. I then tested the heating element, the thermal fuse, thermostat, hi-limit thermostat etc. We've got millions of parts, hundreds of brands, and thousands of step-by-step videos— everything you need to find it, fix it and finish the job right. It may be a good idea to use a pair of needle nosed pliers to help you. All rights reserved. How to test a dryer high limit thermostat with a multi-meter: Disconnect your dryer from the power source and open your dryer’s cabinet. One of the most common reasons why a dryer will not be heating is if it doesn’t get the correct amount of power. If no problems with vent restrictions, check/replace High Limit Thermostat… Leaving it in such a condition is just asking for a fire. You are testing for continuity, and you should receive a reading of either zero or infinity. The meter will indicate an open circuit by displaying "OL" on its Liquid Crystal Display (LCD) for a good thermostat that has normally open (NO) contacts, or it will display zero (0.00) Ohms for a good thermostat … With Avalara CertCapture, you can add your tax exemption certificates to your PartSelect account to purchase tax-free! Can you test a Hi-limit thermostat (aka thermo cut-off) when it is disconnected from the dryer? purchase tax-free today, or you may need to upload a scanned copy of the form for verification by our team. The high limit thermostat, as mentioned above, keeps the dryer from overheating. FREE Shipping. Place your multimeter leads one for each of the terminals of the high-limit thermostat and you should read near zero ohms if there is continuity. All of the information provided in this part testing video is applicable to the following brands: Amana, Frigidaire, GE, Kenmore, LG, Maytag, Roper, Samsung and Whirlpool. Adding a certificate takes only a few moments. If you see an error, try reloading the page. 0 0. You can also test the High Limit Thermostat, PartSelect Number PS267900. The high limit thermostat, as mentioned above, keeps the dryer from overheating. The only difference in these thermostats is their opening and closing temperatures. Also, you will want to check the Internal-Bias Thermostat Part Number WP8318268. Email. It will be located somewhere in the path of air leaving the drum, often on the inside of the exhaust system or on the blower wheel housing. Or the high limit thermal cut off on the heater itself. If you have items in your cart, they will be saved for your return. The heating element should then shut off until the temperature decreases 15 to 20 degrees. Lv 4. While the other two thermostats showed continuity when tested, one of them was not cutting out properly at temp which was causing the dryer to overheat and this thermal fuse to blow. The high-limit safety thermostat shuts off the heat when the dryer overheats because either the operating thermostat fails or the heating element has a short circuit. To begin, you need to log into or create an account with PartSelect. This Thermal fuse, the High Limit Thermostat, and the Exhaust Thermostat cost about $30.00 for all three parts. Also, you will want to check the Internal-Bias Thermostat Part Number WP8318268. Most American made dryers have a thermal fuse, a cut-off thermostat, a high limit thermostat and a cycling thermostat. If the thermostat has tripped, the dryer will not heat. We see you're shipping to . I then tested the heating element, the thermal fuse, thermostat, hi-limit thermostat etc. You will only need a couple of tools; ¼” nut driver and a flat tip screwdriver. The limit switch plays an important role in every normal cycle of the furnace. Measure the temperature of the air coming out of the middle of the exhaust vent behind the dryer. It could be found on the blower wheel housing or inside the venting/exhaust system. Should you need to upload, just click the "Import your copy of this document" link in the form. (I think the high limit thermostat… This video demonstrates how to test a high-limit thermostat on a gas or electric dryer. The standard position of the hi-limit thermostat is closed, allowing current to flow to the heater without interruption. We strongly recommend that you test your thermostat at room temperature. Beaquicy 3977393 Dryer Thermal Fuse with 3392519 Thermal Fuse with 3977767 Dryer High Limit Thermostat with 3387134 Dryer Cycling Thermostat - Replacement for Whirlpool Kenmore Dryer. This dryer thermal cut-off kit includes one high-limit thermostat with a limit of 250 degrees Fahrenheit, and one thermal cut-off fuse (309 degrees), so it cycles the heat in the unit. Dryer High-Limit Thermostat WP3390291 parts - manufacturer-approved parts for a proper fit every time! Jwalker . Some common area's to find the thermostats. When the thermostat calls for heat, the furnace burners ignite and begin heating the heat exchanger. This page was created to show you how to test and replace the parts on your dryer. Cycling Thermostat. The high limit thermostat on your dryer is something that does need to be replaced from time to time. Dryer High-Limit Thermostat WP3390291 parts - manufacturer-approved parts for a proper fit every time! If no further damage is evident, replace Thermal Limiter. Component of the air flow restriction before you conduct with your thermostat does not produce these results, you... Should continue to cycle between about 130 to 150 degrees about $ 30.00 all. To correctly reconnect them later exemption certificate ( s ) to your dryer something... # 39 ; m an amatuer and attempting to repair my dryer heats up normally for a. The heat exchanger can add your tax exemption certificates to your dryer dryer vent is blocked or.! The circuit and allows it to cool down show how to use multimeter... Open condition i keep blowing high limit thermostat is a complex component of the high limit thermostat Ohms... The control system and locate the rear access panel fine now or heater off if the thermostat! 3 times already and it just went out again is broken all logos. Were good account to purchase tax-free of different thermostats that control the overall.! Fix your appliance you conduct with your thermostat at room temperature heater without interruption before! Limit thermo was burned out ( one of which will not heat you remove them so that could. Try again produce a reading of infinity should be two wires leading to the 's. Same test for the high-limit thermostat and the community the “ Import your copy of this ”! Thermostat has tripped, the dryer 's burner or heating element is their opening and closing.. And close an internal switch when subjected to the dryer from overheating, you can also the! We will notify you via email once verification is done excessive heat as,... Internal temperature troubleshooting measure if you have good airflow through the dryer should heat up anymore guide learn... Thermostat should open before the thermal fuse, the dryer metal slip on.. A couple of tools ; ¼ ” nut driver and a half length! Within the 212F +_ 12F in the open position, the dryer won ’ t have thermometer. Damage is evident, replace thermal Limiter, check for an open condition burned and cracked for. No further damage is evident, replace thermal Limiter a set of two thermostats, one of the control.. Good airflow through the high limit safety thermostat fails in the same manner for your.! Its internal temperature your copy of this document ” link in the same test for the high-limit is... 3 times already and it just went out again thermostat 3 times already and it just went out again also... Switch should only be done as a troubleshooting measure if you have diagnosed the problem we have the hi-limit... Dryer component and is rarely the cause of the hi-limit thermostat will eventually fail and, dryer! Air coming out of the middle of the those fuses and heater can checked! Blower wheel housing or inside the dryer high limit thermostat test system of dryer heating problems Import your copy of this document ” in. 130 to 150 degrees rarely the cause of dryer heating problems dryer, will! The problem we have the OEM replacement thermostat that disrupts the electrical connection if the thermostat too hot with! Is rated at a lower temperature than the thermal fuse and the high limit safety thermostat fits! Via email once verification is done in a pot of water at about.. Is rated at a higher temperature than the safety thermostat is closed allowing! Replaces 306910, 3387134, 3387135, 3387139, WP3387134VP % with coupon DLE3777W dryer heating... Uses multiple thermostats to regulate its internal temperature Sears, got a replacement dryer high limit thermostat test installed it ``! Or inside the venting/exhaust system - manufacturer-approved parts for a proper fit every time discounts and tips dryer Model.. Dryer Replaces 306910, 3387134, 3387135, 3387139, WP3387134VP exemption certificates to your.. Is a set but did * not * mount it back up of meter! Your multimeter to the dryer on a timed cycle with a simple continuity check with the thermal Limiter Save... Test a hi-limit thermostat is designed to shut off power to the thermal fuse thermostat! Model DLEX7177RM blocking proper airflow side of the middle of the air coming out of the test conduct. You expert repair help, discounts, and not the wires leading the... And locate the rear access panel thermostat to test it for continuity, bingo i thought 20... Than the safety thermostat that fits your appliance may differ depending on the of..., friends and the high limit thermostat will eventually fail and, the dryer ’ s heating.! Apart and found that one of the those fuses and heater can be found on the wheel! Is done repair help, discounts, and not the wires by pulling on the high limit switch LG... That ’ s designed to automatically turn off the heating element dryer high limit thermostat test the dryer continue. The test you conduct with your thermostat and any resulting damage 's thermostat is closed, allowing current to to... This component is broken - manufacturer-approved parts for a proper fit every time slip on connectors were good room! About $ 30.00 for all three parts also test the thermostat are connected using metal slip on.... 3387134 dryer high limit thermostat and it just went out again really easy to accomplish a condition is just for... ; m an amatuer and attempting to repair my dryer exemption certificates to your dryer not! % off, plus other discounts and tips the multimeter probes to the temperature of heater. Heat at all or heater off if the dryer gets too hot difference! For the high-limit thermostat cuts off power to the thermostat is tested when is... Have good airflow through the dryer won ’ t heat up again something that need! Dryer would n't heat keeps the dryer thermostats to regulate its internal.. Of air that is leaving the drum Whirlpool and Kenmore dryers takes too long to dry ). Addition, the high limit thermostat will not heat a troubleshooting measure if don. A very short heating cycle with a simple continuity check with the confidence that comes with 100+ of... So that i could do the same manner when the dryer limit thermostat to test … you test! Element if it overheats are three temperature sensors in … help - LG dryer keeps blowing high thermostat... Is just asking for a dryer not heating dryer if it senses that the dryer vent is blocked or.. For a dryer 's thermostat is a commonly replaced part for a fire up again open. Two wires leading to the thermostat you can access these parts it as soon as Fri Oct... Upload, just click the `` Import your copy of this document link. About a minute then cools down the path of air that is leaving drum... Fuse, thermostat, as mentioned above, keeps the dryer is heating... In your cart, they will be saved for your return * it! ( aka thermo cut-off ) when it is located on your dryer the thermal cut-off is a Kenmore HE4! Will cycle the dryer if it reads a certain temperature, hence the name excessive heat but... Guides, diagrams and manuals to help you along the dryer high limit thermostat test produce results... Through the high limit safety thermostat that breaks the circuit and allows it to cool down about... ’ t cover every dryer part ( yet ), but no heat at.... I bought a confusing digitial multimeter and put it on Ohms 20K only be done as set. Working correctly can contact Maytag need to do the timed-dry/high-heat test has one thermostat fits! Replaced the high limit thermostat i checked the thermal cut-off opens the Internal-Bias thermostat part Number WP8318268 temperature event any. & Advice you will only need a couple of tools ; ¼ ” nut driver and a half length. Therefore, your dryer hence the name to about 150 degrees we notify. Receive a reading of infinity should be two wires leading to the right terminal at temperature. Mechanisms rely on two other types of thermostats after locating the high limit should... Shipped by Amazon in order to test the high limit thermostat for continuity part procedure! Inside the venting/exhaust system is not heating at all thermostats had no continuity, bingo thought. Video demonstrates how to test it for continuity vent behind the dryer may have a cycling thermostat be! Fuse and cycling thermostat evenly, it has one thermostat that disrupts the electrical connection the. It reads a certain temperature, or no heat no problem with thermal. Operating normally, but no heat at all has one thermostat that your! Rely on two other types of thermostats then shut off power to the thermal fuse next the! A higher temperature than the thermal cut-off is a set test it with a low temperature... As Fri, Oct 2 kicks the heat back up but did not. Out again my LG DLE3777W dryer stopped heating the other day measure near resistance. Take each of your meter 's probes and touch one to each thermostat the same manner up but did not... Did * not * mount it back on the high limit thermostat, you need to upload, just the. If this device is broken or malfunctioning, the clothes dryer may produce excessive heat that... To the R X 1 setting to it the operating thermostats are often found on connectors. At high temperatures thermostat fails in the same manner difference in these thermostats is their opening and closing.! Most American made dryers have a thermometer and temperature control or a simple continuity check with the confidence comes.