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Re: Whirlpool Electric dryer model lfe7800 heats up
ALWAYS UNPLUG YOUR DRYER BEFORE ATTEMPTING TO DO ANY WORK ON IT.
Sounds like your problem may be a broken belt, or the belt may have slipped off of the motor pulley, or idler arm pulley. If you have to replace your drum belt and if you have a front loading machine. Remove the electrical console that holds the timer switch, start switch, etc. from the top of the dryer. Be real careful not to knock any of the wires off of the timer switch. Then remove the top of the dryer. Remove the front of the machine, this will expose the belt and drum, remove the drum and belt and this will expose the drum rollers, idler arm bracket with pulley, and motor with pulley. Pay attention to the route of the belt, this will come in handy when you go to reinstall the belt and drum. Sometimes the belt will slip off of the idler arm or motor causing the drum not to turn. While you have the drum out, I would recommend that you lubricate the drum rollers at the shaft of the roller with a good grade of machine oil like 3 in One oil. This will save you a problem later with the rollers getting noisy, also check your drum rollers for flat spots, if they have flat spots on them this will cause a noise like a thumping type noise. You will need to replace the drum rollers if they have flat spots on them. I will include these two websites for parts and further help: http://www.partselect.com/ http://www.appliancepartspros.com/index.aspx Both also have chat assistance 24/7.
Good luck, I hope this helps Please do not forget to rate me Thank you
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Determine if access to motor is from front or rear. Remove securing screws, remove panel and observe motor. Is the pulley spinning? If not, the start/run capapcitor may have failed- it looks like a small shiney can (about the size of a pack of cigarettes) and generally has two white wires going to it. Replace. With unit UNPLUGGED, grasp the pulley of the motor and turn it. Does it turn freely? if not, bearings are frozen and you may have to replace motor. If motor shaft is turning, then check belt. Is it broken or slipping? if so replace, if not, check tub and see if it moves freely on it's felt bearings. If not, check two support rollers toward back of unit. Are they intact and moving freely? If not replace.
Hi Judy, Yes, it is most likely caused by a belt which has either broken, stretched or simply come off. Have somebody open your drier to determine what the actual problem is. Also make sure that the motor which drives the drum is still spinning. Best wishes, Graemevm
if the dryer heats the motor should be good. if it hums its either runing or the hum is a stall noise . if belt is in tact then if motor were going so would the drum . so i think the motor isn't going just humming and the heat sw in the motor is stuck closed with lint and you need to replace the motor .. take the belt off and turn motor if it turns free . the blow it out good and reinstall belt and try again ..mm
if you are hearing loud buzzing or loud humming when start switch is engaged,u have 2 possibilities:1. a bad motor. 2.something hindering the motor's ability to turn.most likely cause of this is usually something caught in the blower housing,preventing motor from turning
So,. basically your drum doesnt turn. SO your getting heat still even though the drum isnt turning. Is this right? Sounds strange??? Do you hear any humming noise when you push the start button? I need to know a little more about the problem because im kinda confused as how you decribed the problem. Iv never seen a dryer heat but the drum not spinning. especially your model dryer. Its electric heat right? because if the drum doesnt spin, maybe your motor is bad. and if your motor is bad, then your heating element wont heat up because the centrifical switch in the motor is not switching to complete the circuit to the heating element. So this is why im confused when you said" Dryer heats when knob turned but when "push button" pressed, drum doesnt run." Because your belt wraps around the motor pully and the motor is what makes the drum turn. Like i said, i never seen this model dryer heat with out the motor operating. So if you can give me some more info, ill do my best to help you out....Thanks!!!!
Since you stated that the heating element is heating up I believe it rules out the thermal switches. When you push the start button does it make the motor make any noise? Maybe hear the motor humming? Two things to check for are Broken Belt or Bad Motor: This requires common sense and since you are going to be bypassing the safety features you need be CAREFUL.
First, with door open, manually press in door switch to by-pass door safety, then press "start", try to manually start the dryer by spinning the drum by hand, If you hear the motor humming but it does not start spinning on it's own; most likely it is a broken belt which can be changed without much difficulty for less than $15 bucks. NOW if it then continues to spin on it's own GET YOUR HAND OUT OF THERE and close the door; you have a bad motor and even though it started it needs to be replaced. A motor for that is available for just under $100 bucks and is not to bad to replace, I would recommend replacing the belt at the same time since you will be in there. Good Luck!