Question about Bosch Nexxt WTMC3521UC Gas Dryer

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The gas dryer works on timed dry but not any autosense cycles. The sensors were cleaned and 2 seperate service people checked it.

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Your post did not say if you have removed the vent tube and ran the dryer in any of the auto-sense cycles, I would do this first. If it runs normally with the vent disconnected then the vent is restricted. if you have already tried this then the reason it may not be working is that the wires(either blue or green) behind the sensor bars is/are disconnected/broken. There is a diagnostic mode you can enter to test the control's ability to sense the bar contact that is illustrated in the tech sheet which is located within the control panel, when you are in the diagnostic mode touch the two wires of the sensor together and if the light illuminates, it means the wiring to the sensor block and logic of the control is good. If the light doesn't illuminate, then either the control is bad or one of the blue wires is broken or not connected at the control. Hope this helped Tim

Posted on Mar 12, 2011

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Posted on Jan 02, 2017

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I have Samsung gas dryer model DV410. no heat, replaced two thermal fuse and hi low limit. Now it only works with timed cycle mode. the rest mode, it runs only for least the 5 minutes and shut off.


timed cycle mean dryer not on sensor dry mode. check wire connection on moisture sensor bars (i think you forget to put 2 wire connector put together). when you use other cycle dryer use moisture sensor to dry cloths so sensor not working dryer will stop in 5 minutes or so because dryer think there are no wet cloths to dry. hope this help you.

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Igniter Works, but Gas won't fire up on Sensor Dry, Will on Timed Dry


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Now I do STRONGLEY recomend that you have a service technicion come on and service your dryer do to the fact that it is a GAS dryer. if something inside the dryer where to get pinched or broken it could cause a bigger problem....
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Samsung frontload gas dryer DV218AG moisture sensor doesn't work properly. Dryer adds minutes to drying cycle even when cloths are completely dry.


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Belt squeeking


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Jan 12, 2014 | Fisher Paykel Fisher & Paykel AeroSmart...

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Oct 17, 2013 | Maytag Neptune MDG5500AW Gas Dryer

1 Answer

Hello my dryer doesnt work properly it runs


The valve resistance is 1995 ohms and the ignitor is 185.
Inspect the dryer venting from the rear of the dryer to the outside vent hood of the home.
If there's a restriction in the vent--the clothing in the dryer takes longer to dry.
When the dryer is functioning normally---the time required to dry laundry is determined by the *Sensor* located on the drum side of the lint filter housing and by the main control board.
When laundry is near dry--any Time Remaining on the control panel that is *not* needed will be eliminated---except for the last 6 minutes.
The final 6 minutes of any automatic cycle is for cooling down the laundry before the dryer ends the cycle.
If a dryer *counts down* to the last 6 minutes but the laundry is still not dry--the computer will allow the dryer to run until the laundry has dried or defaults (not drying within the additional time allowed).
Dryer vents that are longer than 8 feet with more than (2) 90 degree turns--can affect drying performance.
Setting the DRY LEVEL selector to *Very Dry* will solve most dryability issues. In homes with abnormally long vents--even the longer run time in the *Very Dry* setting is usually not sufficient to dry laundry loads.
Reducing the length of the vent or starting a second cycle becomes necessary to fully dry the clothing.
If a second cycle was started---only the amount of time that is needed to dry laundry will be used before dropping to 6 minutes and then the cycle will end with dry laundry.
*****************************************

LG gas dryers are more sensitive to venting length and air flow resistance. The gas burner can cause a rapid increase in temperature compared to an electric burner.
Rapid temperature rise in a gas dryer leads to premature burner shutdown (longer time required to dry laundry).
The gradual temperature increase of an electric element is more "forgiving" in homes where the dryer venting is less than ideal.
*******************************************

Problem:
The dryer has an auto dry feature which never fully dries the clothes so we wind up manually setting the dry time to an hour
Solution:
LG gas dryers are VERY temperamental in long vent set-ups. If fabric softener sheets are used in the dryer--clean the two stainless steel strips of metal on the lint filter housing with a SCOTCHBRITE PAD--scrub back & forth several times to remove the waxy residue from the fabric softener sheets. Most,if not all manufacturers do *not* recommend using sheets in dryers that have a moisture sensor (electrodes).
However--using a SCOTCHBRITE pad keeps the wax off those sensors which can be seen if looking *into* the dryer drum and at the lint filter housing.
If only *liquid* fabric softener is used in the washer--clean the dryer sensors once a month. Liquid softener also contains wax which can slowly accumulate on the dryer sensors from the laundry washed in the washer.

LG dryer manual

Dec 13, 2010 | LG D2526 Gas Dryer

1 Answer

I have an lg dryer model DLG5966W and the check filter light is on. It takes two cycles to completly dry my clothes. I cleaned the lint filter and still doesnt dry on one cycle. I then removed the filter...


Check your vent. Inspect the dryer venting from the rear of the dryer to the outside vent hood of the home.
If there's a restriction in the vent--the clothing in the dryer takes longer to dry.
When an LG dryer is functioning normally---the time required to dry laundry is determined by the *Sensor* located on the drum side of the lint filter housing and by the main control board.
When laundry is near dry--any Time Remaining on the control panel that is *not* needed will be eliminated---except for the last 6 minutes.
The final 6 minutes of any LG automatic cycle is for cooling down the laundry before the dryer ends the cycle.
If a dryer *counts down* to the last 6 minutes but the laundry is still not dry--the computer will allow the dryer to run until the laundry has dried or defaults (not drying within the additional time allowed).
Dryer vents that are longer than 8 feet with more than (2) 90 degree turns--can affect drying performance.
Setting the DRY LEVEL selector to *Very Dry* will solve most dryability issues. In homes with abnormally long vents--even the longer run time in the *Very Dry* setting is usually not sufficient to dry laundry loads.
Reducing the length of the vent or starting a second cycle becomes necessary to fully dry the clothing.
If a second cycle was started---only the amount of time that is needed to dry laundry will be used before dropping to 6 minutes and then the cycle will end with dry laundry. Bonus:
LG DRYER

Problem:
The dryer has an auto dry feature which never fully dries the clothes so we wind up manually setting the dry time to an hour.
Solution:
LG gas dryers are VERY temperamental in long vent set-ups. If fabric softener sheets are used in the dryer--clean the two stainless steel strips of metal on the lint filter housing with a SCOTCHBRITE PAD--scrub back & forth several times to remove the waxy residue from the fabric softener sheets. Most,if not all manufacturers do *not* recommend using sheets in dryers that have a moisture sensor (electrodes).
However--using a SCOTCHBRITE pad keeps the wax off those sensors which can be seen if looking *into* the dryer drum and at the lint filter housing.
If only *liquid* fabric softener is used in the washer--clean the dryer sensors once a month. Liquid softener also contains wax which can slowly accumulate on the dryer sensors from the laundry washed in the washer.

Jun 17, 2010 | LG DLG7188 Gas Dryer

2 Answers

Not enough heat


You may need to adjust the air flow on your dryer vent.
When an LG dryer is functioning normally---the time required to dry laundry is determined by the *Sensor* located on the drum side of the lint filter housing and by the main control board.
When laundry is near dry--any Time Remaining on the control panel that is *not* needed will be eliminated---except for the last 6 minutes.
The final 6 minutes of any LG automatic cycle is for cooling down the laundry before the dryer ends the cycle.
If a dryer *counts down* to the last 6 minutes but the laundry is still not dry--the computer will allow the dryer to run until the laundry has dried or defaults (not drying within the additional time allowed).
Dryer vents that are longer than 8 feet with more than (2) 90 degree turns--can affect drying performance.
Setting the DRY LEVEL selector to *Very Dry* will solve most dryability issues. In homes with abnormally long vents--even the longer run time in the *Very Dry* setting is usually not sufficient to dry laundry loads.
Reducing the length of the vent or starting a second cycle becomes necessary to fully dry the clothing.
If a second cycle was started---only the amount of time that is needed to dry laundry will be used before dropping to 6 minutes and then the cycle will end with dry laundry.
*****************************************

LG gas dryers are more sensitive to venting length and air flow resistance. The gas burner can cause a rapid increase in temperature compared to an electric burner.
Rapid temperature rise in a gas dryer leads to premature burner shutdown (longer time required to dry laundry).
The gradual temperature increase of an electric element is more "forgiving" in homes where the dryer venting is less than ideal.
*******************************************

Problem:
The dryer has an auto dry feature which never fully dries the clothes so we wind up manually setting the dry time to an hour
Solution:
LG gas dryers are VERY temperamental in long vent set-ups. If fabric softener sheets are used in the dryer--clean the two stainless steel strips of metal on the lint filter housing with a SCOTCHBRITE PAD--scrub back & forth several times to remove the waxy residue from the fabric softener sheets. Most,if not all manufacturers do *not* recommend using sheets in dryers that have a moisture sensor (electrodes).
However--using a SCOTCHBRITE pad keeps the wax off those sensors which can be seen if looking *into* the dryer drum and at the lint filter housing.
If only *liquid* fabric softener is used in the washer--clean the dryer sensors once a month. Liquid softener also contains wax which can slowly accumulate on the dryer sensors from the laundry washed in the washer.

LG DRYER SERVICE MANUAL


LG PARTS

May 11, 2010 | LG DLG5988 Stainless Steel Gas Dryer

1 Answer

Dryer is slow dryng takes two cycles compared to regular dryer


As the model number you provided indicates this is a gas dryer, you need to open up the access panel, above the washer compartment, to clean out the dryer compartment.

It is likely that either the gas burner components have been covered in lint and dust and are getting shut off sooner than they should because of overheating of the thermocouple safety device, etc.

First, make sure that the power is turned off to the washer/dryer unit and turn off the gas supply valve, so you don't have any issues with getting a electric shock or getting a gas leak/build up.

Once you've done that, you can remove the two (2) access screws that will let you get into the lower dryer compartment where the gas burner and control devices are located (this is the panel just above the washer lid, the angled section).

Now vaccum out all the lint and dust buildup you can see and check that everything is free of dust and lint inside this area. Pay special attention to the gas burner and gas inlet orifices, as anything in there can and will cause the dryer to shut off and thus, not operate properly in getting your clothes dry in a normal drying cycle.

Also, check to see that the dryness sensors inside the dryer drum (silver bars up near the top left or right of the dryer drum) are clean and don't have any residue or buildup on them. This can also cause the dryer to register erraticly when using the automatic drying cycles versus the timed drying cycle. Use a good glass cleaner and wipe these sensors with a clean cloth rubbing them briskly to remove any residue or contaminent that might be deposited on the sensors.

Now completely clean out the exhaust vent all the way from the dryer to the outside location of the vent. Having any blockage of the vent can and will cause the thermal overload protective device to function and turn off the gas burner that provides the heat to dry your clothes. So be absolutely certain that the entire vent exhaust is clean and free of any lint buildup from the dryer all the way to the outside vent (yes I mean't to repeat that!) You'll have to remove the outside vent grate/cover to check for any buildup/obstructions there.

Now you can run a load to see if you've gotten the problem solved, if not, it could be a control module, but 80% of the time, it is nothing more than a "housekeeping" issue that causes loads not to completely dry on the first cycle. So please do some cleaning and checking and you should be back getting your clothes dry on the first cycle!

Hope you find this Very Helpful and best regards!

Oct 20, 2009 | Whirlpool WGT3300SQ Dryer

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