Question about LG Refrigerators

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My electricity was disrupted due to an auto accident knocking out a power pole. When it came back on line a few hours later, the refrigerator cooling or freezing does not work. All panel lights, fan

Model number LMX25981ST. Rest on main board does not fix problem.

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  • LG Master
  • 744 Answers

Hello Charles;

My name is Peter. I am a retired field service refrigeration technician.

In your owners manual, it is recommended that you have a surge protector on your unit. In fact, any appliance including your television, home computer requires a surge protector.

At your local Home Depot, Ect. you can purchase individual wall socket surge protectors for about $20.00. They are a well worth investment.

Your board reset button is not going to work. The power shut down and restarting surge blew out both your control board and control board capacitor.

As a field service refrigeration technician, I carried no less than 3 LG control boards in my truck. 65% of my service calls were LG & Samsung. The fewest service calls I had were Amanda & Kitchen Aid, follower by GE and Kenmore.

Anyway, You need to replace both the control board (Part Number LMX25981ST - $122.00) and your control board capacitor (Part Number OCZJB20146 - $27.00).

You can get a lower price searching on the internet.

You have already accessed your control board.
My electricity was disrupted due to an auto accide - 25295852-woc4ugcs3z1jzdp4nx0pn5hc-5-0.jpg
So, lets replace the control board and capacitor.

1.) Un plug your unit.

2.) First ground yourself, static electricity will nock out your board. Rub your hands across something that is steel. Do not wear wool clothing.

3.) Your new control board will come in a anti-static silver bag.

4.) The control board is held in by several white pins. On the two sides of these pins are clips you must squeeze in to pull the board out.

5.) Systematically, remove one connector from the old board to the new board. The connectors have a locking tab at the top, squeeze the tab to remove. When inserting on the new board make sure these clips are locked in.

6.) replace the capacitor next to the board.

7.) Reattach the control board cover plate. Plug your unit back in. Allow 24 hours or less for the unit to balance the high pressure (160 PSI) liquid and the low side (65 PSI) vapor side.









Posted on Nov 25, 2014

Testimonial: "Peter, thank you for your response and I will be following your instructions. You sent me the Model number rather than the part number for the board. Do you have the part number for the control board?"

  • Peter Goodwin
    Peter Goodwin Nov 27, 2014

    Sorry, the control board part number is EBR41956401

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