LG WM2487H has no power
Posted 30 July 2013 - 07:36 PM
Checked breaker, no trip, then checked the power outlet, also still working. So then I searched online a bit and found this forum, so a similar topic, where to check the noise suppression filter, I seem to be getting 120v at the pink plug it seems to be okay. So assuming the main PCB ebr38163302 is bad?
I also read a post about spinning the drum manually and getting some life out of the display, which did not work for me.. I get nothing from that test.
We had some crazy power outages a couple days ago, but washer was doing fine the day after that, just now it decides to die. Could it be the display boards, or is the main board more common?
Or something else? Some sort of sensor?
I also have a little voltage tester that detects voltage right through the wire, and I was able to detect voltage with that right to the wiring that goes into the back of the display, so I'm doubting myself, but really just have no clue. Any help would be much appreciated!
Posted 30 July 2013 - 09:45 PM
... I seem to be getting 120v at the pink plug
120v measured between Red pin1 & Brown pin3 ?
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Posted 30 July 2013 - 10:12 PM
Posted 31 July 2013 - 10:30 AM
On the main PCB, there's a red LED that should be on whenever there's power supplied to the washer. If it's not on, then either it's not getting votlage voltage or the main PCB is bad. http://www.repaircli...mber=WM2487HRMA
- PDuff likes this
Posted 31 July 2013 - 06:15 PM
Posted 31 July 2013 - 06:33 PM
So this is a tell tell sign then?
Indeed. If you're getting 120vac between pins 1 and 3 on the noise filter, then the other possibilities are:
- bad on/off button, ohms test:
- bad 5-pin wire harness on display PCB (molex connector at the board as well as the connecting molex between the display PCB and the main PCB
- bad main PCB
Posted 06 August 2013 - 09:58 PM
Just a quick update, I rolled the dice on a new pcb and that fixed it! Big thank you Mr Samurai!
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