Dryer hose is not clogged and neither is dryer itself air is streaming out outside of vent at very high rate but is cool not hot in other words when i put setting on high heat nothing happens but cool air....my question is there a heating element that can be replaced as in water heaaters or is it more trouble than its worth...
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Re: dryer is working but not heating
There is a heating element which can be replaced but first check the home's electrical fuse panel or reset the breaker even if it doesn't look like it tripped. If you have 240V going to the dryer and still no heat it could be either the element, thermostats, timer or wiring. Whether it's worth the trouble depends on the age of the dryer and your investment of time and money. None of those parts would take longer than an hour to replace. If you want to tackle it let me know and I could try to guide you through it.
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The lint trap is a metal screen with a plastic handle that is located either near the corner at the top of your dryer, or inside the dryer door. In most cases, the lint trap is clearly marked. If your clothes are not drying properly, this is the first place to look because it is the easiest problem to solve. Remove the lint from your lint trap, and then see if your clothes get dry. If they do not, move to the next troubleshooting problem. Vent Hose
To work properly, a dryer needs to be able to vent warm air. If the vent hose is clogged, bent or has a hole in it, your dryer will not work properly. Examine the vent hose to see if it is installed completely over the dryer exhaust vent, and to make sure it does not have a hole in it. Remove the vent hose to see if it is clogged. There are vent hose brushes you can purchase to clean the vent hose properly. Also check the exhaust vent on the dryer and the outside vent to make sure they are not clogged.
If you have been running your dryer with a clogged vent hose for a while, you may burn out the thermal fuse. A burnt thermal fuse will allow the dryer drum to rotate, but the unit will not heat up. Your owner's manual will show you where the thermal fuse is and provide the part number you need to buy to replace it. Thermal fuses are available at most hardware stores and are easy to replace. Heating Element
The heating element is the long, coiled wire in the dryer that heats up the air. Over time, the heating element can burn out or become defective. In some models, the heating element can be repaired; in other models, the heating element should be replaced. Refer to your user's manual to see where your heating element is and whether you can repair it or need to replace it.
Not sure about the hh limit or the element, but make absolute certain that there is good flow of air. Check to see if the vent is clogged. Remove the hose from the back of the dryer and see if air is flowing very hard. Use a vacuum cleaner or a wire or something if it is clogged. Similarly, check the hose itself. If the hose collapses when you attach a vacuum to it, it is clogged. Dryers require heat AND air flow to dry properly. :)
your vent line from the wall to the outside of the house can be clogged or your you high heat coil is burned out and just the low heat coil is working, when you switch to high, both coils work. or you have a one coil system and the heat selector maybe defective
ALWAYS UNPLUG YOUR DRYER BEFORE ATTEMPTING TO DO ANY WORK ON IT. Check to make sure you heating problem is not a lint build up in the discharge hose or the dryer,as this condition can cause heater/thermistor problems such as overheating of the heating coil leading to failure of the coil and burnout of the thermostat/thermistor due to overheat. Remove the back/or front just under the door of the machine and try to locate the air duct going from the blower to the drum. Normally inside/outside the air duct you will find the heating coil and the thermostats/thermistors.
Right after replacing a dryer element, always run the dryer on 'air fluff' / 'no heat', and go outside to verify there's plenty of air coming out your vent system. If the vent's clogged, that new element can burn out very quickly. For video and pictures on how to replace the element go to the following website: davesrepair.com/DIYhelp/DIYreplacingWPLdryels.htm
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Make sure the dryer heats up and that the proper cycle is selected. If the dryer doesn't heat, the cause will need to be determined. This can be an ignitor issue, the timer, or a gas supply problem.
If it's heating, check the vent line from the dryer to the outside of the dwelling for lint clogging. Also check the diverter (flapper valve) at the dryer vent outlet to be sure it opens all the way and that the air stream is pretty strong. Lint clogging is one of the most the most common causes of dryers not drying very well or taking an extended drying time period.
If the vent line is longer than 20 feet and has multiple bends, backpressure in the line can cause additional clogging.
The vast majority of dryers that blow high limit fuses have the same problem: Lack of airflow. If anywhere in the venting system for your dryer is restricted your dryer will heat up too hot. The excessive lint in the filter, a clogged dryer vent hose, the vent within the house, even within the dryer itself all are places where a restriction could occur. Check all of these for being restricted. Also make sure if you have a flexible hose between the dryer itself and your dryer vent on your home, make sure it is not crushed when the dryer is in place. This will cause your limiting fuse to blow very quickly.
When you remove the hose from the back of the dryer you can check that the dryer itself has decent airflow by starting the dryer on the fluff/no heat setting. This will give you an idea whether it is restricted inside the dryer or not. If you even have a hint that it is not putting out the air it should, have it cleaned (or if you are mechanically inclined do it yourself just make sure the dryer is unplugged).
Then have the dryer vent system cleaned. Replace your high limit fuse and you should be back in business.
you could have restricted airflow from the lint screen not being cleaned, a bad blower wheel, or a bad thermostat. take the vent hose off the back and check to see if the air flows out the dryer with good force, if so your vent is probably clogged or not open in the wall. the vent hose may also be picned off from puching the dryer back to far.
If heats for a few minutes then cuts off (heat) , then the 2 coils on the burner valve are probably bad . OR check the vent hose to the outside for good air flow . Sometimes , a dryer is pushed too far back , and it kinks the vent hose . If coils are bad , when dryer cools down , then restarting , cool coils will heat again for a few minutes , then stop heating till they cool off again .
A clogged or partially clogged vent . Especially if vents up thru the wall . If it vents straight out , make sure you have good air flow to the outside . Make sure the vent hose has no sharp kinks also . Try drying a load with the vent hose disconnected from the dryer . If clothes dry fine , that tells you the problem is elsewhere . Normally , a dryer either heats or doesn't heat . A heat for a few minutes then stops heating but continues to run complaint ,would be bad coils on the gas valve .
you may have a clogged vent. Make sure the exhaust vent is clear and full air flow is coming out on the outside wall (should be a fast stream of air). if not ...you will need to clean it out.
If this still does not work then you may have a thermal fuse blown on the heater duct. This will require a repair call for a local Service man.