Hi Guys, I have a 10 year old LG WM3431HS.  I got a dHE code. Researched a bit on the internet and found that cleaning the lint out of the duct usually fixes the problem.  Sure enough the duct was caked full of lint.  I cleaned it all out, put it all together and still get the dHE code. I followed the service manual diagnostics.  Fuse is good, Thermistors are good, Thermostat is good.  Heater is good.  I'm not getting 120VAC at the heater, which the service manual says is the main boar