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Dryer Repair / Re: Samsung dv338aew/xaa dead no power
« Last post by domain on October 21, 2014, 10:53:48 PM »
No way you have correct line voltage at hookup and no drum light
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Dryer Repair / Re: Samsung dv338aew/xaa dead no power
« Last post by 76comet on October 21, 2014, 10:43:48 PM »
I also would think that I should have at least some kind of lights on even with the door open
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Dryer Repair / Re: Samsung dv338aew/xaa dead no power
« Last post by domain on October 21, 2014, 10:36:28 PM »
Not too interject but if you have 240 with correct polarity@hookup it's going to be a pcb issue. No reason to check door switch and thermistor as that should not interrupt powering on ;)
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Low charge equals leak. Find and repair. Partial blockage is not operating properly. Someone correct me if wrong but low charge and block exhibit the exact same symptoms. Without actually tapping low and high side. Even then it's tricky
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I forgot to attach the pages so here they are.
76
Thanks for your responses.  I can get my hands on a clamp on amp meter.  The question I have is what wire do I clamp it on.  I have attached 2 pages out of the repair manual for this model frig which has a schematic and a diagram of the compressor and the wires.  The next thing is what current should I expect to see?

If it is just low on charge why does that happen?  If it is low on charge is it easy to recharge?  I am assuming that I have to have a technician who can get their hands on the R134a material.

 If there is a blockage then how does the system keep running properly.  I would assume that the R134a needs to get back to the compressor.

If it is low on charge is that clear to be able to diagnose over it being a blockage or is it a hit and miss?  I don't want to have someone come out to charge it with R134a and then find out it is a blockage.

I have no idea what it would cost to have someone come out and give it a charge.  but my guess is well over $100 and maybe more in line with several $100.  I live in northern NJ so tech visits can be expensive.

At the end of the day if it makes more sense for me to just go and purchase a new frig then I will do it.  I don't want to end up spending and spending money on this only finding out after spending it all that I need a new system.

Thanks for your help and guidance on this.
Rob
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Dryer Repair / Re: Samsung dv338aew/xaa dead no power
« Last post by rockinrobin on October 21, 2014, 10:13:59 PM »
Thanks that helps! I just wish they would tell me what the power should be going to the Sub pcb.
You should be getting 120 AC Voltage on CN1 (Brown & White Wires and/or Brown & Yellow Wires) of Main PCB which sends power to Sub PCB (see page 4 of Tech Sheet): You may need to press the power button to test/verify voltage on either set of wires.
Unplug dryer and verify Ohm's on Thermistor CN2 (Blue & Red Wires) of Main PCB: Must set Multimeter to 20k Ohm's and remove CN2 wire harness from Main PCB to verify ohm's.
Unplug dryer then remove wires from Door Switch to verify continuity/ohm's between COM & NO and COM & NC (if no continuity on either set of terminal pin's then press door switch to check again - see page 5 of Tech Sheet): Must set meter to lowest Ohm setting to test terminal pin's on Door Switch.
Also, see if your getting power to the Door Switch on either COM & NC or COM & NO (power shuts off when door is open on one set of wires).
Look for any burnt marks on both Boards (either near the connector or on the wire harness).
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Dryer Repair / Re: Samsung dv338aew/xaa dead no power
« Last post by 76comet on October 21, 2014, 06:59:15 PM »
I just ordered both boards I'll try the main pcb first and check the power coming out of it, then post my findings on here for everyone else.  if I remember to that is. Boards will be here in a week or two
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Dishwasher Repair / Re: LG Dishwasher not so hot
« Last post by Diyeng on October 21, 2014, 06:32:05 PM »
Parts ordered, plus a few of the upper tray rollers. So these newer parts are now turbo charged (exaggerated) and should see an improvement on cleaning? Other half often complains of dishes not being spotless, so I hope this upgrade will be worth it. Have read about techs showing up and asking "why did you buy an LG?". Good deal back then but time will tell...
Thanks again, will update once installed.
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Dryer Repair / Re: Samsung dv338aew/xaa dead no power
« Last post by 76comet on October 21, 2014, 06:25:51 PM »
Thanks that helps! I just wish they would tell me what the power should be going to the Sub pcb.
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