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LG Front-Load TROMM Washer (WM2077CW) DE/PF Error

I started getting DE (Door Error) and then PF (Power failure) errors on this relatively new washer. The errors seem to come up together. Sometimes a DE, followed by a PF, or maybe a repetitive PF. I checked all connections and wiring harnesses for loose or chaffing connections. Nothing. Finally took a chance and replaced the door lock sensor/mechanism, but to no avail.

Is the control board the next likely suspect and/or the powerline noise filter? Should I try and replace the filter first (cheaper) or the controller or should I do both? Any other troubleshooting ideas?

Thanks!

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LG , Washers
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5 Answers from these members:
Joseph Perez
by Joseph Perez Earned 33,522 community points in Washers
April 30th, 2012
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Manage My Life
by Manage My Life
April 30th, 2012
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Lyle W
by Lyle W Earned 69,172 community points in Washers
May 1st, 2012
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Manage My Life
by Manage My Life
May 1st, 2012
Answered in 19 hours
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Lyle W
by Lyle W Earned 69,172 community points in Washers
May 1st, 2012
Answered in 20 hours
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