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Hi everyone. I have a Frigidaire drier that has accumulated some residue on the heating duct. I'm not sure what

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Old 06-16-2012, 12:17 PM
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Default Residue on Frigidaire Heating Duct
Model Number: FRQG7000LW0   Brand: Frigidaire   Age: 1 - 5 years   

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Hi everyone. I have a Frigidaire drier that has accumulated some residue on the heating duct. I'm not sure what it's from, but it's a really sticky substance that sometimes will catch dryer sheets and it occasionally finds its way onto clothes which creates a sticky mess.

Has anyone encountered this problem? I was going to just buy a new duct, but realized this part is over $100 and part of a larger assembly. Any cleaning recommendations would be great.

Thank you.




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  #2 (permalink)  
Old 06-17-2012, 09:07 AM
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Anyone have an idea? Thanks.
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Old 06-18-2012, 11:39 AM
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Default Residue

This actually can be from the detergent and/or softener you use. Also, if any clothes have gotten caught on the back vent when drying and have melted somewhat on the vent/duct area. Have you noticed any damaged clothing? Softener has a tendency to turn almost black when it is burnt. This can happen when left over softener on clothes is mixed with too high of heating temps and cause that. You also might want to quit using fabric softener sheets. They will melt a residue unto the unit in various areas as well.
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Old 06-18-2012, 12:18 PM
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Quote:
Originally Posted by Chris_Polk View Post
This actually can be from the detergent and/or softener you use. Also, if any clothes have gotten caught on the back vent when drying and have melted somewhat on the vent/duct area. Have you noticed any damaged clothing? Softener has a tendency to turn almost black when it is burnt. This can happen when left over softener on clothes is mixed with too high of heating temps and cause that. You also might want to quit using fabric softener sheets. They will melt a residue unto the unit in various areas as well.
The first time I noticed it was from a dryer sheet getting stuck on the duct. We have not had any damaged clothing, but sometimes the residue will get onto clothing or cause smaller items like a sock to stick.

I have been looking into alternatives to the dryer sheets, but any idea how to get the residue off? I was thinking of getting the dryer hot and using a wire brush.
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Old 06-19-2012, 08:37 AM
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Default Residue

That is one way, or you can simply use a hair dryer on the vent and see if it will help loosen, by melting, the area. You may also use a household remedy I suggest all the time, on just about everything, baking soda and lime juice. It will bubble and help eat through grease and grime. See if that helps you and let me know the outcome. Also too, with dryers reaching up to 150F it can burn the coating on the vent and cause discoloration too. You may find out that it is burnt coating and not any residue so to speak. Let me know!
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Old 01-27-2013, 07:13 PM
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I realize this post is over 6 months old, but I am having the exact same problem. My heat grate looks identical. I have tried to clean the grate, but nothing worked until I used a wire brush in a drill to grind it off. It reappears in a day or two. Many clothes have been ruined already. My dryer is a Frigidaire model FAQG7011KW0. It is almost 2 years old. We noticed clothes being damaged about 6 months ago. Before then I can't say for sure whether the black residue was there, but I don't think so. Certainly no clothes were ruined for the first year or so. Any ideas or solutions that have worked would be really great. The dryer vent is not plugged.
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Old 02-10-2014, 06:15 PM
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Had the same problem with mine, went ahead and replaced the vent! Upon replacing I noticed the old one was a solid vent or intake, the replacement has vent holes on the back to let more fresh air into the intake, they might have fixed the problem! One can only hope! We shall see!! Did not notice the problem with burning, until we converted to propane, but the scorched vent was there with natural gas, way worse with propane! Our dryer is 4 years old, this was done in-conjunction with motor being replaced!

Last edited by Bamahvac : 02-10-2014 at 06:20 PM.
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Old 02-11-2014, 01:44 AM
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Thanks for all.
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Old 02-11-2014, 06:36 AM
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Default Solution to my problem found

After searching for solutions on-line and trying a number of variations the solution is so simple.

First off, I tried cleaning the grate and it would work for a short time but come back.

I also tried eliminating the fabric softener dryer sheets. Didn't work.

Finally, I took a good look at the dryer screen. I had previously done this, but what I didn't notice the first time was that it looked clean but was plugged with very fine residue - not lint, more of a paste. The screen is very fine. When I tried to blow through it I could not. At least 50% of the screen was clogged. I cleaned it really well with soap and water. After doing this I have not had an issue for over a year (with periodic cleaning). The clogged screen caused the grate to overheat because there was not enough air flow.

Wish I would have though about it sooner. My old dryer had a much coarser screen so it didn't clog like this one. And we didn't have the problem until this dryer was almost 2 years old - enough time for the screen to become clogged.
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