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Maytag Bravos XL Not Drying Clothes Completely
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Model: MGDB880BW0 Brand: Maytag Age: 1 - 5 years
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Lery  
#11 Posted : Sunday, September 11, 2016 6:13:46 AM(UTC)
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I used an instant read thermometer. It registered 120 degrees while the flame was on. With the flame off, it was about 90-100 degrees. I will wait on your reply before proceeding.
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brobriffin  
#12 Posted : Monday, September 12, 2016 1:33:54 PM(UTC)
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Alright I don't know how your thermometer works but lets imagine its accurate.
1. Now this was a temp test with the transition hose disconnected from the machine, true?
2. And when you ran the test you felt adequate air flow?
If so when you ran this test did you notice if the clean vent line indicator came on? It should not have with the transition hose off...
So if the temp reading only registered as high as 120 then there must be a leak somewhere that the air is not being pulled from the drum or the drum air is not pulling completely from the burner funnel.
You see all of the air being pulled from the machine by the fan should be from the drum and its air intake should be completely from the heater can / burner funnel. The exhaust air should be well above 120 with the temp control set to high.
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Lery  
#13 Posted : Monday, September 12, 2016 5:02:52 PM(UTC)
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To answer your questions:

1) No the temperature was taken by poking a hole in the flexible vent that comes from the dryer connection and goes into the solid vent duct. I thought that is what you asked me to do.

2) I did take the entire backing off the dryer off to make sure there was no buildup or clog. There was not. While it was off, I ran the dryer to get a feel for the air flow. It was very strong. I did not take the temperature coming out from there. I did not check to see if the check vent indicator light came on. It wouldn't come using the timed dryer (high heat) setting. It would only do that if I ran a sensor cycle. I could try it set on towels.

I will wait to hear you feedback and guidance.
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brobriffin  
#14 Posted : Tuesday, September 13, 2016 3:58:18 AM(UTC)
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Sorry I am one step ahead of myself.
Yes please remove the transition hose from the wall so that it free flows air right in the laundry room. Then with your thermometer inserted in the hose, try a setting that will allow high heat, along with air flow sensing for the check vent indicator light. Run that for at least 10 minutes and lets check the results.
1. What temps did you get now, high and low?
2. Did the check vent indicator light come on with the hose disconnected?
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Lery  
#15 Posted : Thursday, September 15, 2016 1:47:20 PM(UTC)
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Ok here are some results. First, this dryer has either sensor cycles or none censor cycles. The none censor cycles do not have the feature to detect the vent status and show you either good or check vent.

Non-Sensor Cycle Flexible Vent hose disconnected from dyer.

Cycle: Time Dry High Heat

Temperature was at 165 degrees when flame was going. Went down to about 130 degrees when flame was off.

The vent indicator light is not possible to be on during this cycle.

Cycle: Sensor Cycle = Towels (high temperature)

Temperature was at 165 degrees when flame was going. Went down to about 130 degrees when flame was off.

The vent indicator light went from detecting to off. This happens when it can't detect anything. This only happens when the flexible vent hose is disconnected.

Additional test:

I had some wet towels so I put them in the dryer.

Flexible vent hose disconnected

Cycle = Sensor Cycle: Towels

The vent light would go from detecting to off. It would now light up either good or check vent.

The temperature coming from the back of the dryer was low, with wet towels in there. Only about 40-50 degrees coming out.

Hope this is the information you were looking for. Let me know what else to check or what you think might be the problem.
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brobriffin  
#16 Posted : Saturday, September 17, 2016 9:10:06 AM(UTC)
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Ok based on the results and coupled with your previous statement that while connected to the vent hose and the reading was only 120. I tend to believe there is still a blockage or occlusion in the vent ducting or exhaust cap.
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Lery  
#17 Posted : Saturday, September 17, 2016 6:14:54 PM(UTC)
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Brobriffin, I'm going to really take it all apart next weekend or as soon as possible and see if I can't find the blockage. I would be surprised, because I use one of those long extension brushes attached to my drill to clean the entire vent run. I will let you know and thanks for all of the troubleshooting so far.
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Lery  
#18 Posted : Friday, August 4, 2017 12:40:24 PM(UTC)
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Originally Posted by: brobriffin Go to Quoted Post
Ok based on the results and coupled with your previous statement that while connected to the vent hose and the reading was only 120. I tend to believe there is still a blockage or occlusion in the vent ducting or exhaust cap.



Well I'm back again on this topic. It's almost been a year now. The same problem has been happening. It just now seems to be getting worse and I can't figure this one out.

The last time we left this issue, user brobriffin was kind enough to lend some suggestions. He believed there to be a blockage. I completely took the entire duct work apart and cleaned out the entire run. I'm positive there is no blockage. Let me ask, how dangerous if at all, is it to run a wet clothes cycle through the dryer without the ventilation connected. It would be venting into my basement which is finished.

Any other thoughts on what this could be? I'm about ready to throw this dryer out the door.
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brobriffin  
#19 Posted : Friday, August 4, 2017 2:35:53 PM(UTC)
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You will just be dumping moisture and heat into the basement but if the clothes dry normally that will tell you about a blockage in the vent system somewhere
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Lery  
#20 Posted : Friday, August 4, 2017 6:19:38 PM(UTC)
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Originally Posted by: brobriffin Go to Quoted Post
You will just be dumping moisture and heat into the basement but if the clothes dry normally that will tell you about a blockage in the vent system somewhere


Ok I might give this a shot. Again, I literally took apart the entire vent system, cleaned it with a big scrub brush, resealed it all, and the dryer still has the problem. I don't get it.
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