Question about Whirlpool Dryers
I have a whirlpool WED7800XWO that is maybe two years old and it stopped heating. I have ordered a new element, but does anyone have any experience on how to change this on one of the newer Whirlpools? I have read a few places that these are changed in the front, but there is not a lower plate on this model as described?
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Posted on Jan 02, 2017
I think on your machine the lower thermostat connected to one terminal of the element, you have a wire coming from the thermal cut off down to the top terminal of the lower thermostat, a wire from the lower thermostat to the timer, and a wire going to the other terminal of the element.
You probably have the wire from the cut-off correct as it won't reach the other terminals. You have crossed the other 2 wires. This caused 240V to short across the lower thermostat and burned it out.
You will need a new Hi-limit thermostat, which will include the upper cut-off as well. They come as a set part# 279816. This will be a little different because the new hi-limit will not connect directly to the element. There will be all the wire ends and instructions with it that you need to get it hooked up correctly.
There should be a wiring diagram inside the console of the dryer that shows which wires go where, but I am sure you have crossed the 2 wires below the hi-limit switch.
Post back if you need any help.
Posted on Dec 02, 2007
Posted on Mar 06, 2008
SOURCE: Dryer Stopped Heating
Use a multimeter to check the heating element. You can't always go by looks. Check continuity and if there is none, the element is defective. Another thing to check is the thermal fuse. It is about an inch long and is usually attached to the exhaust duct. Use the meter to check it as well and if defective, replace it. Sure hope this helped and best wishes.
Posted on Jul 28, 2009
It may not be the heating element causing your problem. There are other components that can fail that will cause the same symptoms. The following link explains how to troubleshoot a dryer no heat problem:
First, begin by unplugging the dryer and verifying the voltage at the wall receptacle. You should read 220-240VAC across the two Hot terminals (left and right slots). If the voltage is incorrect, check to make sure you don't have a breaker tripped. Some homes use 2 separate 120VAC breakers to provide power to the receptacle vice using one 240VAC breaker.
If the voltage IS correct, leave the dryer unplugged and remove the cover plate on the terminal block in the back of the dryer (this is where the power cord is installed). Plug the dryer back in and take a voltage reading across the two hot (RED and BLACK) wires at the terminal block. You should read 220-240VAC. If the voltage is good, you have an internal heating problem. If the voltage is bad at the terminal block, but good at the receptacle, you have a bad power cord.
The reason a dryer will still run if the input voltage is incorrect, is because the drive motor only uses a portion of the 220 service. The motor runs off 110-120VAC, while the heating circuits require 220-240VAC. So, if you are missing 1/2 your input voltage due to a tripped breaker or bad power cord, your dryer will exhibit these symptoms.
If you determine the problem to be internal, the heating circuits will either be located in the rear of the washer on the right hand, or under the dryer drum on the right hand side. Usually, an easy way to determine is by the location of the lint screen filter. If the filter is on top of the dryer, the heating circuits are in the back of the dryer. If the lint screen is in the door, the heating circuits are located under the dryer drum. All dryers are not constructed the the same. Regardles of location, the Heating Element is located inside the heater box. The Thermal Cut-Out (TCO) will be located on the outside of the heater box on the end opposite the heating element terminals. The Hi-Limit Thermostat will be located adjacent to the heating element terminals. If either the TCO or Hi-Limit Thermostat are determined to be bad, replace both components at the same time. That is why these components are commonly sold as a set. Failure to do so may result in premature failure of any parts you replace. All these parts can be found at appliancepartspros.com, searspartsdirect.com, pcappliancerepair.com, or repairclinic.com. The average cost of these components varies, so shop around for the best price.
If you have any questions, please let me know. Please inlcude your complete model number (located on a nameplate around the door opening) when asking questions. I hope you find this information helpful.
Posted on Sep 07, 2009
Hi and welcome to FixYa. You should check the dryer vent ducting inside and outside the dryer for restrictions / clogs to include the vent flapper. Poor air flow through the dryer will cause hot spots. If the blower is slipping on the motor shaft this too can cause poor air flow.
When you change the heating element AGAIN... break out the crevice tool and de-lint everything you can access. Also pull out the lint filter and wash it with white vinegar and water then soap and water. Fabric softener sheets material builds up on lint filters. It looks clean but air will not pass through the lint filter.
I think once you get it all ceaned up including all of the ducting to and through the outside wall it will work normally with no problems. I do not think at this time that you have an electrical problem with the outlet supply.
There is one more thing to check and that is the high limit thermostat. It could be STUCK. It will most likely be labeled L180 or L190. That thermostat is suposed to open at either 180 deg or 190 Deg depending on which one is installed. If it does not open then you will keep cooking your elements. We test them with a match and an Ohm Meter. Match under the removed thermostat CLICK. Thermostat opens (no resistance)
Wish ya the best.
Thanks for using FixYa.
If anything in the future crops up with this same issue.
Posted on Apr 10, 2010
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