Question about Whirlpool Dryers

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I have a WHIRLPOOL LE7000XSW0 dryer. I recently replaced the thermal cutoff because it quit heating. Now it heats but is taking 3 cycles to dry a load. I tested all the elect. components , the heating coil is not grounding. My multimeter reads 3-4 on the ohms setting when I test my thermostat. Does it sound like that may be the problem?

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If the heater is heating, probably the thermostat is ok. What does the ohmmeter read when you just short the two test leads together? Suspect low air flow through the machine--clean all passages including the outside vent of lint. Remove the lint screen and clean it of fabric softener deposits by washing it in hot water and detergent. Hope this helps!

Posted on Dec 28, 2010

  • momisme2 Dec 28, 2010

    It reads infinity, ie the needle swings all the way to the right. it reads this when I test the themal cutoff, the high-lo thermostat, and the heating coil. The only part that reads at this 3-4 on the scale is the thermostat itself. I did try cleaning all the vents, I cleaned the chute out with a long radiator brush. I also dismantled the vent right where the blower fan blows into it and cleaned it out good. It was dirty but after reassembling it, it still doesn't dry in one cycle like it used to.

  • drallim Dec 28, 2010

    On an analog type ohmmeter, when the test leads are shorted together, the meter should read zero ohms (and adjusted there with the zero-adjust control. If it won't adjust there, replace the battery in the meter). All closed thermostats should read zero ohms and the heating element should read somewhere around 5 ohms cold. If any thermal switch reads any resistance above zero, it will promptly open due to the heat generated by the (relatively) high resistance of the contacts in the device when current flows through the switch. The thermostat probably should be replaced. The other possibility is if the heating element opens when it gets hot. (replace it if it does). You didn't mention if you cleaned the lint filter or not. Good luck!

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