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Author Topic: Samsung Dryer DV337AGG does not dry, flame goes out after 20 sec  (Read 15008 times)

Offline Ayezik

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Samsung Dryer DV337AGG does not dry, flame goes out after 20 sec
« on: September 01, 2013, 01:50:12 PM »

Help! I having a problem with the flame not staying on.  I did some troubleshooting.  I have replaced the ignitor and hi-limit thermostat on the assy duct (even through they tested ok).  I thought it was the Hi-limit thermostat because when I moved it away from the duct the flame would stay on longer (1.5 min) but eventually did shut off.  Both thermostat 1 and thermistor on vent duct  resistance tested ok and also Radiant sensor.  What am I missing?  A while after flame goes out the the timer goes to 1 minute and the "Drying" and "Cooling" lights are illuminated simultaneously on the front panel display.  Could t be the gas valve?  if so, why the difference in time after moving the thermostat?  Could it be the PCB module?  its driving me crazy!  Please help.

Offline ggschomburg

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Re: Samsung Dryer DV337AGG does not dry, flame goes out after 20 sec
« Reply #1 on: September 01, 2013, 07:24:34 PM »
Does the flame curl up in the burner cone or does it look like it is pulled straight back?

Offline Ayezik

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Re: Samsung Dryer DV337AGG does not dry, flame goes out after 20 sec
« Reply #2 on: September 01, 2013, 09:13:24 PM »
Thanks for the reply.  The flame pulls straight back.

Offline ggschomburg

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Re: Samsung Dryer DV337AGG does not dry, flame goes out after 20 sec
« Reply #3 on: September 01, 2013, 09:53:07 PM »
Are you using timed dry or the automatic cycle? 

Offline Ayezik

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Re: Samsung Dryer DV337AGG does not dry, flame goes out after 20 sec
« Reply #4 on: September 01, 2013, 11:33:53 PM »
I used both timed dry and auto and get the same problem

Offline ggschomburg

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Re: Samsung Dryer DV337AGG does not dry, flame goes out after 20 sec
« Reply #5 on: September 02, 2013, 08:39:59 AM »
Sounds bad valve coils

Offline Ayezik

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Re: Samsung Dryer DV337AGG does not dry, flame goes out after 20 sec
« Reply #6 on: September 02, 2013, 11:03:46 AM »
Ok . Is there any way to check it or just replace the whole gas valve assembly and coils?

Offline Ayezik

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Re: Samsung Dryer DV337AGG does not dry, flame goes out after 20 sec
« Reply #7 on: September 02, 2013, 11:10:19 AM »
Also does this need to be replaced by an experienced technician and need specialized tools?  or can I order and replace my self?  Obviously I am not specialized.   

Offline tgoods

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Re: Samsung Dryer DV337AGG does not dry, flame goes out after 20 sec
« Reply #8 on: September 02, 2013, 11:27:59 AM »
What happens after the flame goes out? Does it try to relight?

Offline Ayezik

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Re: Samsung Dryer DV337AGG does not dry, flame goes out after 20 sec
« Reply #9 on: September 02, 2013, 11:48:32 AM »
No.  After flame goes out it keeps running with cool air and then the the timer goes from 40 min to 1 minute and the "Drying" and "Cooling" lights are illuminated simultaneously on the front panel display.  The Dryer stops.

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.