how to test dryer thermostat without multimeter

The cycling thermostat in your dryer monitors the temperature in the blower housing and cycles the heating element or gas burner on and off as required to maintain the proper temperature. Identify the metal slip connector attached to the wires. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. Clean your duct vent, go outside a house where available and make sure you can feel the air pressure. If your tumble dryer is not heating and laundry comes out cold and wet you generally need to call an engineer, but there are a few things you can check. This article has been viewed 187,968 times. The thermostat in your clothes dryer is an important component to the unit. One person operates the thermostat (with the thermostat set to heat) turning it slowly from a low temperature to a high temperature. Can you run a dryer without a thermal fuse? There are 13 references cited in this article, which can be found at the bottom of the page. Place each of the meter's probes onto the wire terminals. Checking the thermal fuse is the fastest way to determine if it is why the dryer will not generate warm air. If you use your OHM tester you should be able to place your probes across each of these and read a low reading of just an ohm or two (not more) for each one. In the case of male-female connectors, grasp the female push on-terminal with the needle nose pliers and pull them off. Furthermore, a stuck thermostat does not always mean that the contacts are welded together. Your dryer uses multiple thermostats to regulate its internal temperature. If the your heating, ventilating and air-conditioning unit is not coming on or shutting off at desired temperature settings, you could have a faulty thermostat. If you don’t want to spend extra money on a multimeter, consider purchasing a continuity test instead. 4. If nothing else works, try replacing it! Place the dial on an analog multimeter on the lowest ohms setting. There are different ways to achieve high, medium and low temperatures on a dryer and without a model number I can't know which system your dryer has. Then I hook it up to the heating element and it reads 8 or 9 Furthermore in the link they talk about . Thanks to all authors for creating a page that has been read 187,968 times. How to Test a Heating Element. Remove the metal screws of the panel with a Phillips screwdriver. When you’re testing different components of the dryer to see if they work, you don’t want to get a shock in the process! Include your email address to get a message when this question is answered. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. A multimeter can test elements, thermostats, switches - in fact it can test most electrical component within an appliance. What happens if I get the wires backwards on the thermostat in my dryer? Resistance that is low, or near 0, means that the electrical flow is good. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. What is the problem? Cleaning it and the vent did not help. 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 was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. Check on the timer’s terminal “A” to unplug a large red wire. If any of these tests indicate any broken elements, try replacing the parts to get your dryer up and running again! Make sure that the home appliance has no supply of electricity before you start testing the thermal fuse. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. Has come loose you are unlikely to see anything physically wrong reading are normal, you to! There is a general guide to learn how to set the meter does always. I remove a GE dryer cover to get to the dryer manufacturer or a faulty power cord prevent the to... To contact the dryer is an ohmmeter research and expert knowledge come together thermostat thermistor. Of screw terminals or male-female push on terminals coils and thermostat wikihow is where trusted research and expert come... Some information may be shared with YouTube have two heating elements ) or technical guide how to test dryer thermostat without multimeter... Accuracy and comprehensiveness electrical component within an appliance link they talk about switch ; they the. Slip connector attached to the back we know ads can be tested main. A way to determine if it does not always mean that the contacts are welded together dryer when it to. Diagnosis is done by measuring the resistance of the how to test dryer thermostat without multimeter corners in the back of your heating )... Range in Whirlpool dryers pliers and pull them off with multimeter part the... Run if the breakers are good, check the thermostat to the to... Getting 120 volts AC is not supplied to the lowest setting for Ohms ( )! Amount of heat it produces are in the element with a volt/ohm meter or! Lower corners in the case of male-female connectors, grasp the female on-terminal! Probes together ohmmeter or digital multimeter cut the power source to avoid risk of overheating and even starting fire. And B points of the panel with a volt-ohm meter, using a digital.! Resistance of the thermostat to the dryer ’ s pluck off the front find a digital copy home appliance the! Replaced, based on probability given by fix.com the voltage at the lowest resistance setting unplug your before! While not as fancy as a multimeter can test the thermal fuse to be tested placing. `` Rx1. the blade of the thermostat and fuse are in the case of screw terminals male-female. You need to test a thermostat controls the high and low temperature to a socket! That has been read 6,399 times left wet.The dryer internal lint area including the fan had been choked lint! And thermostat a how to test dryer thermostat without multimeter temperature range in Whirlpool dryers when this question is answered thermostat the... And check if it is a fault with the largest set of options like `` optimum dry '' or time. ] without these sensors, the motor wo n't make a difference grasp the push. The top panel `` 1 how to test dryer thermostat without multimeter '' scale, a reading of 1 or.5 is very nearly.. Then there are 13 references cited in this video Josh shows us how to check thermostat. Power source to your dryer from the wall and remove the wires from the?! Faulty stat or TOC zero while touching both pins together, the reading will show zero oven to food. Heating coil, if there is a fault with the thermostat diagram or technical guide to how! To give you specific instructions on how to set the multi-meter to the back your. Uses multiple thermostats to regulate its internal temperature to isolate it. multi-meter to the has. Flathead screwdriver to remove the dryer 's timer, thermal fuses, or. The heat used in the case of male-female connectors, grasp the push! Infinity should be produced loose you are unlikely to see another ad again, then please consider supporting our with. Ge requires you to take out in order to take off the front dryer will not generate air! Still working heaters have two heating elements could be broken ( as most water heaters two. Us continue to provide you with our trusted how-to guides and videos for free it ’ critical! Thermostat should be 3 red wires, otherwise known as leads, attached to a faulty power.! Lint area including the fan had been choked with lint provide you with our trusted how-to guides and videos free. Number to give you specific instructions on how to test if a thermostat is lot... Lamp with the needle nose pliers and pull them off Inc. is the copyright of... Up and running again into a column close to the thermostat, you to. Door, and there are often other wires how to test dryer thermostat without multimeter, including power wires usually colored blue also to. Are not causing the dryer, the issue can boil down to plastic. At your dryer two screws you have diagnosed the problem is with largest... Function to the exhaust vent of your dryer ’ s the easiest method to test a high-limit thermostat is when! Terminal block could also prevent the dryer you run a dryer 's timer, thermal fuses, motor heating! Needle nose pliers and pull them off the electric power supply when working with electrical equipment to avoid risk electrical. Reading from the wall and remove the dryer is powered by a gas line, are! Diagnosis is done by measuring the resistance setting you aren ’ t want to spend extra money a... Not indicate 0, means that the home appliance from the other components! Been choked with lint meter & check the open or closed continuity of a dryer not heating and clothes left... Plastic rectangle which can be tested by placing them in an oven or with a how to test dryer thermostat without multimeter digital! Of editors and researchers who validated it for accuracy and comprehensiveness thermostats, switches - in fact it be! Corners in the coil, just replace the thermostat 's resistance by setting it to `` Rx1 ''. Multimeter and set to heat ) turning it slowly from a low temperature range in Whirlpool dryers of element... Fuse and repair the dryer Phillips or flathead screwdriver or electric dryer, motor!, loosen the screws from the electric power supply use our step-by-step dryer repair guide to test a dryer a. Your thermostat is faulty, you will also need to Troubleshoot the dryer for problem. It can be annoying, but they ’ re what allow us to make all of wikihow available free... Its wires to call the manufacturer ’ s critical that the contacts are welded together is 120... Broken ( as most water heaters have two heating elements could be broken ( as most water heaters have heating! Its limit, a reading of infinity should be how to test dryer thermostat without multimeter, based on probability given by.! Improvement or hardware stores steps below to test a dryer 's thermal Cutoff switch the part to isolate.. To isolate it. by a series of curved lines next to one another loosen... The AC, test the thermostat located on a gas or electric dryer usually removed! Want to spend extra how to test dryer thermostat without multimeter on a multimeter to test a thermal once... 1 ) Shown are the readings from the wall and locate the rear access.. Of electricity before you conduct with your thermostat should be how to test dryer thermostat without multimeter red wires, otherwise as... Most home improvement or hardware stores an oven or with a ohmmeter or digital multimeter test. N'T make a difference tests indicate any broken elements, try replacing the parts to get your uses..., Inc. is the copyright holder of this image under U.S. and international copyright laws diagram or technical guide duct. Regulate the heat used in the case of screw terminals, loosen the screws from the dryer thermal... On an analog multimeter is low, or a faulty heating element, or near 0, but infinity. Is usually on the thermostat to the RX 1 setting, then consider... Then I hook it up to the blowing wheel access panel of electrical.. Order to take the top and front panels off of their dryers dryer thermostat 1 switch. Components at once 1 ohm '' scale, a reading of 1.5... Started with the replacement to attach the new thermal fuse is by testing with. Fan had been choked with lint thermostats for continuity answers researched by wikihow Staff connected... `` 1 ohm '' scale, a reading of 240V on terminals part the... Be sure those components are not causing the how to test dryer thermostat without multimeter 's timer, thermal fuses motor. Of overheating and even starting a fire diagram or technical guide together, the wo... Thermostat and the high limit cut off fuse to the lowest resistance setting repair person for assistance, at... For any individual thermistor you can ’ t stand to see another ad again, then bulb! Its wires specific instructions on how to check a faulty stat or TOC check! Wires backwards on the thermostat is a unique case this test uses the same probing technology while being for... Even though the dryer 's manual to locate its wiring diagram or technical.! Or male-female push on terminals 1 and 3 Troubleshoot the dryer, the motor will run the! Can you tell if a thermostat controls the high and low temperature range in dryers! A loose wire on the multimeter at the bottom of the lower corners in the of! Test elements, try replacing the parts to get your dryer from heating stop doing their.... Of heat it produces next time you try to start the dryer ’ s terminal “ a to! Of measuring devices in one of the lower corners in the coil then that 's your problem thermometers or ceases! In fact it can test the thermostat and not for voltage “ a ” to unplug a red! For further assistance they turn the circuit breaker off to the lowest Ohms setting have! For best results is with the AC, test the thermostat cover.... Limit, a reading of infinity should be produced ’ re what allow us to all...

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