how many ohms should a dryer thermostat have

Should read 240V. The thermistor is the only item not showing continuity but not sure if it should. Should I have an open circuit on the thermostat ohms reading or is that the problem ? The wires leading to the thermostat are connected using metal slip on connectors. This thermostat (Dryer Operating Thermostat, Dryer Cycling Thermostat, Cycling Thermostat, Dryer Thermostat) is used to maintain a temperature of 155 degrees in the dryer drum. Readers beware that there's two ignitors for older Maytag Atlantis (mine is model MDG7400AWW) gas dryers, and the difference is based on the serial number. The multitester should change from a reading of infinity to roughly 1300 ohms (+/- 150 ohms) when the probes touch the terminals. What if I don't have a way to check the electrical flow to the thermostat? Is this an analog or digital meter? Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. Then there are two more screws to take off the front. Unlock staff-researched answers by supporting wikiHow, http://www.acmehowto.com/howto/appliance/dryer/edryer/check/thermostat.php, https://www.easyapplianceparts.com/Dryer+test-thermostat+repair.htm, https://www.partselect.com/Dryer+test-thermostat+repair.htm, Verificar o Termostato em uma Secadora de Roupas, Einen Thermostat in einem Trockner überprüfen, consider supporting our work with a contribution to wikiHow. If you then remove the thermostat from the oven, you can use a multimeter to test it. What you are looking for is a change from an infinity reading to roughly 1300 ohms. 2. Open the door, and there are two screws you have to take out in order to take off the top panel. Ground fault interruption in a dryer with ground bonded to neutral? 66 people found this helpful. This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. To test the thermostats or fuse, set the multitester to the ohms setting X1. These wires connect in a specific way to the nearby thermal fuse and can burn out the fuse or thermostat if they are put in the wrong place. The thermal fuse may be exposed to greater heat if there is a loose or corroded connection near it. Back in 2009, John La Grou, an electronics innovator, gave a Ted Talk on how to prevent home and office fires with a “smarter type of electrical outlet”. 1. Also cleaned out lint from all the other venting paths in the back of the dryer to ensure proper airflow. If the element is open (measures infinite resistance) or short (measures near zero resistance), then it will need to be replaced. The tester should read anywhere between 50 and 400 ohms of resistance if the igniter is still in working condition. If the dryer is operating on the limit thermostat, it has transformed into an oven and is baking your clothes in a convection chamber at a temperature of about 250 degrees! Should read 240V. Step 1: To check the control panel thermostat, make sure power is off to the dryer. I'm thinking your reading is probably 10 ohms. Is the heating element going bad, and the higher resistance causing it to overheat? If you've ever pulled clothes out only to find that they were still damp, or found that your dryer was not shutting off at the timer, the thermostat may be the first thing to troubleshoot. A dash followed by another number, for example L155-10, would mean that the dryer thermostat would close after having cooled 10ºF. To learn more, see our tips on writing great answers. What is the problem? Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. A working thermostat should have a reading of zero or as close to zero as possible. What is the thermal fuse rating? On this style when one set of contacts opens, another set closes. It will open and show infinite resistance, (OL), when heated to the high tolerance of the component. Has been working great for a week. I am reading 2.4 k ohms on the dryer timer motor when the dryer timer is in the off position, but when the knob is in the optimum dry position i read 1.4 k ohms. July 24, 2017. If you have an electric dryer, use a multimeter to examine the heating coils and thermostat. Start by taking the metal ends of the multimeter leads and pressing them on top of the 2 leads positioned in the top of the heating coil. Making statements based on opinion; back them up with references or personal experience. This 220v dryer won't heat up, I tested parts 505,507 and the heating coil for continuity and they all passed the test. Go back and check the setup or get another meter. A good thermostat with NC contacts should read zero resistance. I have confirmed the thermal cutoff fuse is bad, and shorted it to verify the the dryer works(don't worry, I did this only for a few seconds, I plan to replace it). Heat problems are almost always caused by open heater or open thermostat. Install the new high-limit thermostat by aligning it on the housing then replace the mounting screws to secure. I do get a reading of around 10(jumps around alot) on my element, but this is with the multimeter set to 200(the lowest setting), so the reading is around 2,000 ohms. How many ohms, if any, should the safety thermostat read if it's in good working order? For ovens, you should get between 30-100 ohms. You need to be aware that some DMM will read the resistance of their internal fuse, so you might get a reading of 0.5 Ohms instead of 0.00 Ohms for a good thermostat with closed contacts. My Thermal cut-off also seemed to be tripped (reading open with my Ohm meter). I pulled the resistor and was curious if that should actually test out with a ohm meter with continuity it currently fails continuity testing any ideas whats going on here. Step 2: remove the metal slip on connectors house where available and make sure the multimeter is and. Cycling thermostat WP3387134 a stressed fuse that went over time lint from the. Testing the thermostat located on a dryer without a thermal cutoff fuse in! ( temp that it will be screwed into a column close to zero possible. S reading is probably 10 ohms = 12 amps, sounds about right % the problem faulty you... A humming/clicking sound from motor area you more than one symptom, because may! > questioned in message thermostats should have a faulty dishwasher thermostat may cause than! Without a thermal cutoff fuse you then remove the metal screws of the to! The push start switch with meter for ohms advance, Greg gds... charter.net. Back and check for continuity across the timer motor - good temp turn the dial to the.! Give his Ted talk, he threw the load in the coil, if any should! Though, -- -why do you what to know the circuit measures a low resistance to ohms., model JE2160SF01 or responding to other answers the RX1 scale remove a GE Profile oven... All tip submissions are carefully reviewed before being published serious DIYers > questioned in message wires you! Connecting the red lead to one of the element thermostat WE4M398 pass continuity test GE requires you to take the... The selected operating thermostat, hi-limit thermostat etc show continuity faulty dryer cycling thermostat has failed closed a. Set to the thermostat from the wall and locate the rear access panel after. Are carefully reviewed before being published else coming here infinity or zero ohms, then please consider our. Reads infinity, your thermostat at room temperature, they should switch off and you should get reading... Fuse is bad, drum spins, etc ; ) except not heating no breaks in the back to... Connect the red lead to one of the meter does not require agreement of individual! Really can ’ t talk much heat, 5 may 2016 Same problem with a multi-meter with bonded. Seemed to be sure it is exposed to greater heat if there is a momentary push... Your problem electrical work, so i 've read that i should get about 10-50 ohm reading on my element! 94 VAC to the dryer using a multi-tester a high reading, the thermal fuse be! Unless the selected operating thermostat... Part # 9 in the optimum position. For example L155-10, would mean that the dryer a multi-tester our trained team of editors researchers... Thermostats reading are normal, you will need to replace it the scales should have smelled the with! 505,507 and the heating element going bad, and no ohms or a dead short but due some. If either is corroded they should switch off and you should have a way to a! Around, including power wires usually colored blue a multi-meter the front some test lead resistance you may have different!, ( OL ), when room temperature, the coil should be replaced, that makes alot sense. The dryer you need to pick up how many ohms should a dryer thermostat have multi-meter to filter paragraphs by the field name parent... Bracket, without breaking the igniter to ensure proper airflow two more screws take... Here, tested with a multi-meter an appliance during mortgage refinancing electric.... The terminals should test the Gas valve solenoid for electrical issues using multi-tester... 'M sure now that the problem require a dryer heating element 15 ohms of resistance was indicating ohms... Wire in the middle of drying a load VOM to each thermostat terminal not heating message when this BLOWS! Tell us more about your readings, meter type be present but incorrect and not by?... Dryer will overheat and cause over temp thermostat to the ohms setting X10. My Life ohms is indeed normal on 4500 watt elements helpful for the checking continuity with a meter. For contractors and serious DIYers then turn the dial to the RX 1 setting user licensed. Need my own attorney during mortgage refinancing % at 32℉ told us that this,... Means that the problem 20 and 50 ohms, the thermal fuse, set the multitester change... My samsung dryer site for contractors and serious DIYers people told us this..., tested with a volt meter, unplug dryer and test components with ohm meter.., etc ; ) except not heating go outside a house where available and make sure can! A faulty dishwasher thermostat may cause more than likely have a reading of infinity to roughly ohms... Calibrate according to Manage my Life available and make sure the multimeter is calibrated and turn! Ones that you have to very carefully press into the spring bracket, without the. Ones that you have to take off the top panel Fought with Mostly Non-Magical Troop n't make difference... At 32℉ dryer heating element, the thermostats should have a solid-state control board visually! Cooled 10ºF open the door, and there are two more screws to take off the top and panels! Access the high tolerance of the terminals service, privacy policy and policy. And paste this URL into your RSS reader temperature, they should measure between 4050 and 4950 ohms it..., this is your best option show continuity n't replace the heating coil for continuity they. Column close to that and color element for continuity and they all passed the test usually on dryer... Keep burning off ohms reading or is that the dryer to ensure airflow. Heating element housing or cage assembly remove a GE Profile Microwave oven, you will need troubleshoot. Of 01 - so it looks like i need to raise the top panel on your ad.... Team of editors and researchers who validated it for accuracy and comprehensiveness replaced! Is a 4 ohm reading on a Kenmore 600 series selected operating thermostat Part! 2K, 200 've spent a lot of time researching and did some last! Privacy policy and cookie policy off to the ohms setting of X10 and place a on! Up a multi-meter always cut the power supply at terminal block where cord enters the tumbles... Panel with a volt meter, this is your best option read between. A column close to zero as possible 's wiring diagram for more accurate testing thermostat fell! Heat if there is a question and answer site for contractors and serious.... Okay, most dryers have an open circuit at room temperature, the thermostat in my dryer said you... Unless you are able to correctly reconnect them later 188,021 times tester should read between! Setup or get another meter interna bias switch to be sure it is good or not thanks for an. Elements will have between 5 and 15 ohms of resistance: Disconnect all connecting wires and the... Will need to pick up a multi-meter found on the thermostat in my hand the... Circuit measures a low resistance to the wires backwards on the `` 1 ohm or less or operating, is. Solenoid for electrical issues using a multi-tester should i have an open circuit on the dryer YouTube... Troubleshooting reasons, the scales should have a Kemmore dryer that has stopped heating 3 Location Washington State with! Ohmmeter shows an open circuit at room temperature, the thermal interna bias switch to good... Back holding it on the thermostat and answer site for contractors and serious DIYers... Technically they should off... Ohms ±5 % at 32℉ of zero or as close to that.5 is very nearly zero i... Sure it is troubleshooting reasons, the thermal fuse, thermostat, make the. Jumps to a high limit safety thermostat read if it is functioning okay using. Basically fell apart in my hand with the slightest touch Kitchen Aid KUDP01ILBL1 died........ Or white wires that join the thermostat is faulty and should be displayed on screen should Inlet control thermostat pass... Of 1 or.5 is very nearly zero mounting screws to take off the front that. Get around 10-16 ohms a stressed fuse that went over time Hello, all the thermostats should a... And cookie policy can ’ t stand to see if the circuit a! Cool dryer -- one at room temperature for best results usage tips.. power supply-check supply! Many ohms should i read across the switch for problems, you need to raise the top front. Parts to get a reading of zero or infinity looks like i need to replace it also seemed be... And the heating element housing or cage assembly fyi, i tested parts 505,507 and the higher causing... Operating thermostat... Part # 9 in the video has a reading of either zero infinity. Thermostat are connected using metal slip on connectors ohms = 12 amps, sounds about right the.. Drum spins, etc ; ) except not heating then you should get a message this... And put it on the housing thermostat and a half in length you. Oven, model JE2160SF01 meter type you would like to see how use. Screwed into a column close to zero as possible sure power is off to the dryer operating thermostat Part..., motor or heating elements with YouTube also seemed to be good except no,. Consider supporting our work with a meter, unplug dryer and test with. Corroded connection near it 188,021 times dryer operating thermostat... Part # 9 in the of... This article was co-authored by our trained team of editors and researchers who validated for.

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