Author Topic: WM2032HW Manual Inducing Shuts off Breaker  (Read 469 times)

Offline Vitautoff

  • VIP Member
  • Member Since: May 2014
  • Posts: 1
WM2032HW Manual Inducing Shuts off Breaker
« on: May 08, 2014, 03:12:48 AM »
I have Lg wm2032hw. Sometimes it used to stop the motor in the middle of the cycle. A light tap with my hand on the control board cover solved this issue many times.
Then suddenly the washer shut off and smoked. So it blew IPM, and one of the board prints near the fuse exploded. I replaced IPM, and fixed the print.

Now the washer doesn't turn on by the power button.
When the washer is NOT plugged into power, manual inducing of the tub turns on the washer just fine. The wheel and knobs work.
If I plug it into power outlet and turn the tub, the breaker shuts off. I assume there is a short circuit.

How do I test the board?

Thank you.

Offline click50

  • Technician
  • Member Since: Mar 2014
  • Posts: 5
Re: WM2032HW Manual Inducing Shuts off Breaker
« Reply #1 on: May 22, 2014, 09:14:06 PM »
Test the motor.   Pull plug off of motor, test bertween 1&2, 2&3 and 1&3.   Each should be 5-15 ohms.

Test the hall sensor...

Voltage Testing Hall Sensor from the Main PCB Assembly

1.Unplug power cord.
2.Remove rear panel.
3.Remove Washer Top.
4.Remove Main PCB Assembly cover.
5.Locate the white Hall Sensor 4 wire connector using wiring diagram wire colors as your guide.
6.Plug in power cord, close door, and press power button. DO NOT PRESS START!
7.Place meter leads on White & Gray wires. You should read 10 to 15 Vdc output from the Main PCB Assembly to the Hall sensor. If no 10 to 15 Vdc is measured the control board is defective.
8.Place meters leads on Blue to Gray. Turn motor rotor slowly by hand. You should measure a pulsing 10 Vdc. Place meter leads on Red to Gray. Turn motor rotor slowly by hand. You should measure a pulsing 10 Vdc. If both tests measure a pulsing 10 Vdc, hall sensor and harness OK. If either or both tests measures 9 to 10 volts, but does not pulse or change, Hall sensor has failed and must be replaced. IF zero (0) voltage is measured on either test, check red & blue wires for continuity. Repair or replace harness as needed.
 


 
 

 

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