Author Topic: Samsung Dryer DV337AGG does not dry, flame goes out after 20 sec  (Read 3131 times)

Offline tgoods

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Re: Samsung Dryer DV337AGG does not dry, flame goes out after 20 sec
« Reply #10 on: September 02, 2013, 12:18:49 PM »
I doubt it's the valve coils, then.  My best guess would be the thermistor, DC32-00007A.  It can sometimes test good with a meter but malfunction when the control sends power through it.

Offline Ayezik

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Re: Samsung Dryer DV337AGG does not dry, flame goes out after 20 sec
« Reply #11 on: September 02, 2013, 12:26:06 PM »
ok.   I have not replaced that one.  Just tested.  Can I bypass just to see if it keeps the flame lit ?

Offline tgoods

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Re: Samsung Dryer DV337AGG does not dry, flame goes out after 20 sec
« Reply #12 on: September 02, 2013, 02:21:00 PM »
No, its a variable resistor that changes it's value according to heat.

Offline Ayezik

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Re: Samsung Dryer DV337AGG does not dry, flame goes out after 20 sec
« Reply #13 on: September 02, 2013, 02:25:26 PM »
ok .  Thank you.  Parts have been ordered, thermistor and valve assembly.  I will attack this problem when parts arrive.  Thank you tgoods and ggschomburg for your support.  I will post the resolution.  Hopefully!

Offline ggschomburg

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Re: Samsung Dryer DV337AGG does not dry, flame goes out after 20 sec
« Reply #14 on: September 02, 2013, 08:24:27 PM »
I think you are right tgoods however if he is testing with no load on automatic dry it would be normal for it to drop the cycle time and start to cool down after a minute or two.  I have seen failed thermisters act the same way though.  If you have a meter measure the resistance of the thermister at room temp then take a bic lighter and wave the flame under the thermister for a second or two then measure the resistance again and compare.  If the thermister is good the measurements should be pretty close if they are way off then bad thermister. 

Offline blueman17

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Re: Samsung Dryer DV337AGG does not dry, flame goes out after 20 sec
« Reply #15 on: September 02, 2013, 09:42:24 PM »
I still think the gas valve are at fault replace both valves .

Offline krazytech

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Re: Samsung Dryer DV337AGG does not dry, flame goes out after 20 sec
« Reply #16 on: September 02, 2013, 11:23:36 PM »
I have had bad coils on the gas valve act like this .. once the coil heat up they do not hold the valves open.. to check clamp on 2 voltmeter too each coil.. if you still have voltage to both coils after the flame goes out.. you have bad coils on your valve..
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Offline Ayezik

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Re: Samsung Dryer DV337AGG does not dry, flame goes out after 20 sec
« Reply #17 on: September 07, 2013, 01:48:14 PM »
Hello again.  Here is my status.  I installed new gas valve and coils, installed new thermistor and the flame still goes out after 10 seconds of turning on.  I then checked the moisture sensor and it is ok.  I have so far checked or replaced everything except the computer board.  This may help as a clue.  The only way I got the flame to stay on was to detach the Hi-limit thermostat from the flame housing or duct and leave it hanging off to the side.  I have a new thermostat installed.  Is there a software temp setting that could be set too low for this to trip or is the flame too hot and tripping this thermostat?  Is this a PCB problem or circuit board board?  What else can this problem be?

Offline Ayezik

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Re: Samsung Dryer DV337AGG does not dry, flame goes out after 20 sec
« Reply #18 on: September 07, 2013, 02:45:58 PM »
More information:  In Normal mode, after one failure the ignitor will start up again and after the flame goes out for a second time the timer sets to 1 minute and the "Drying" and "Cooling" indicator lights to come on at the same time.  After 1 minute All indicator lights come on (Drying, Cooling, Wrinkle, Prevent) and digital number display indicates blinking light alternating around a track. Dryer continues to run.

Should my next option to replace the PCB board?

Offline tgoods

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Re: Samsung Dryer DV337AGG does not dry, flame goes out after 20 sec
« Reply #19 on: September 07, 2013, 02:57:33 PM »
Try running it without the vent connected.  You may have a restricted vent.

 

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