Forum > Dryer Repair
LG gas dryer wont heat
accapp:
Gas valve gets DC power, test voltage with meter set for DC volts. Yes, test between wires on each plug.
berniet:
I tested the coils for resistance 1845 and 1855
the 2 thermostats at the flame funnel tested ok
outlet themostat at the hamster cage assembly tests ok
Flame detect tests continuity
Thermister and moisture sensor test ok
I think that my control board is defective
would there be any way that an appliance repair store be able to check the board itself?
Schematic attached
JWWebster:
these guys cannot be checked with a meter and they ain't but 20 bucks . replace these dudes. send me a pic of the gas valve assembly dude.
RegUS_PatOff:
correction:[/[/b]b]
in some LG dryer manuals, they mention that the Gas Valve Coils use 90v - 120v AC and also mention 90v - 120v DC
LG Gas Valve Coil Assembly Part # 5221EL2002A
JWWebster:
I tryed looking up LG online but I coud not find anything like that or any info either. Iso the dude uses DC voltage to operate the coils? That means the controlpanel must also be a stepdown transformer and the is what powers them coils. Oh Brother! That goes back to either no an open coil on the operator (You Pictured) or no dc voltage coming from the main computer board. What a messy way to make a dryer. I do not know a thang about these new fangled LG products but I am learning. Thanks! :2funny: Let me run this one by you then with the dryer running and the glow bar going when it shuts down if I have my fluke meter on the wires coming from the board I should get 90 vdc or around there and would know if the board is powering the coils right?
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