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LG Front Load Washing Machine Main Board Replacement

はじめに

Use this guide to replace the main board in your LG front load washing machine.

This is the main circuit board for the washer. It doesn't contain any buttons or dials—if your washer buttons or dials are broken, you'll need to replace the control panel instead.

This guide will work for most LG front load washing machines. This guide is written with a model WM3050CW washer. If you have a different model, you may encounter some minor disassembly differences, but the overall repair process will be the same.

必要な工具と部品

  1. LG Front Load Washing Machine Main Board Replacement, Safety Precautions: 手順 1、 2の画像 1 LG Front Load Washing Machine Main Board Replacement, Safety Precautions: 手順 1、 2の画像 2

    • Before you begin your repair, perform the following:

    • Turn off the main water supply

    • Unplug your washer

    • Disconnect all water connections at the rear of your washer

    編集

  2. LG Front Load Washing Machine Main Board Replacement, Unfasten the top panel: 手順 2、 3の画像 1 LG Front Load Washing Machine Main Board Replacement, Unfasten the top panel: 手順 2、 3の画像 2 LG Front Load Washing Machine Main Board Replacement, Unfasten the top panel: 手順 2、 3の画像 3

    • Remove the screw(s) securing the top panel brackets to the back panel.

    • You don't need to remove the screws securing the brackets to the top panel.

    編集

  3. LG Front Load Washing Machine Main Board Replacement, Remove the top panel: 手順 3、 2の画像 1 LG Front Load Washing Machine Main Board Replacement, Remove the top panel: 手順 3、 2の画像 2

    • Slide the top panel towards the rear of the device to disconnect its clips.

    編集

  4. LG Front Load Washing Machine Main Board Replacement: 手順 4、 2の画像 1 LG Front Load Washing Machine Main Board Replacement: 手順 4、 2の画像 2

    • Tilt the top panel upward to completely disconnect it from the chassis.

    • Remove the top panel.

    編集

  5. LG Front Load Washing Machine Main Board Replacement, Disconnect the pressure sensor: 手順 5、 2の画像 1 LG Front Load Washing Machine Main Board Replacement, Disconnect the pressure sensor: 手順 5、 2の画像 2

    • Depending on your device, your pressure sensor might have a wire harness. If so, disconnect each wire on the harness.

    • Disconnect the connector from the pressure sensor.

    • Always grip cables by their connectors and not the wires themselves.

    編集

  7. LG Front Load Washing Machine Main Board Replacement: 手順 6、 2の画像 1 LG Front Load Washing Machine Main Board Replacement: 手順 6、 2の画像 2

    • Disconnect the hose from the pressure sensor.

    編集

  8. LG Front Load Washing Machine Main Board Replacement, Unfasten the pressure sensor: 手順 7、 1の画像 1

    • Remove the screw(s) securing the pressure sensor.

    編集

  9. LG Front Load Washing Machine Main Board Replacement, Remove the pressure sensor: 手順 8、 3の画像 1 LG Front Load Washing Machine Main Board Replacement, Remove the pressure sensor: 手順 8、 3の画像 2 LG Front Load Washing Machine Main Board Replacement, Remove the pressure sensor: 手順 8、 3の画像 3

    • Unclip the pressure sensor from the chassis or other components.

    編集

  10. LG Front Load Washing Machine Main Board Replacement: 手順 9、 2の画像 1 LG Front Load Washing Machine Main Board Replacement: 手順 9、 2の画像 2

    • Lift the pressure sensor away chassis and remove it.

    編集

  11. LG Front Load Washing Machine Main Board Replacement, Disconnect the control panel cover: 手順 10、 3の画像 1 LG Front Load Washing Machine Main Board Replacement, Disconnect the control panel cover: 手順 10、 3の画像 2 LG Front Load Washing Machine Main Board Replacement, Disconnect the control panel cover: 手順 10、 3の画像 3

    • Disconnect any cables or fasteners secured to the control panel cover.

    • Repeat this procedure for any bundled cables that keep the cover from opening.

    編集

  12. LG Front Load Washing Machine Main Board Replacement, Remove the main board cover: 手順 11、 3の画像 1 LG Front Load Washing Machine Main Board Replacement, Remove the main board cover: 手順 11、 3の画像 2 LG Front Load Washing Machine Main Board Replacement, Remove the main board cover: 手順 11、 3の画像 3

    • Use a flathead screwdriver or a prying tool, to unclip the main board cover.

    • Remove the main board cover.

    編集

  13. LG Front Load Washing Machine Main Board Replacement, Unfasten the main board: 手順 12、 2の画像 1 LG Front Load Washing Machine Main Board Replacement, Unfasten the main board: 手順 12、 2の画像 2

    • Remove the screw(s) securing the main board to the back side of the washer.

    編集

  14. LG Front Load Washing Machine Main Board Replacement, Separate the main board from the chassis: 手順 13、 3の画像 1 LG Front Load Washing Machine Main Board Replacement, Separate the main board from the chassis: 手順 13、 3の画像 2 LG Front Load Washing Machine Main Board Replacement, Separate the main board from the chassis: 手順 13、 3の画像 3

    • Slide the main board out of its slot in the chassis.

    編集

  15. LG Front Load Washing Machine Main Board Replacement, Remove the main board: 手順 14、 3の画像 1 LG Front Load Washing Machine Main Board Replacement, Remove the main board: 手順 14、 3の画像 2 LG Front Load Washing Machine Main Board Replacement, Remove the main board: 手順 14、 3の画像 3

    • Label each connector and its spot on the main board. During reassembly, reattach each connector to its proper spot.

    • Lift the main board out of the chassis to access each of the connectors.

    • Disconnect each connector from the main board.

    • Remove the main board.

    編集
終わりに

To reassemble your device, follow these instructions in reverse order.

Take your e-waste to an R2 or e-Stewards certified recycler.

Repair didn’t go as planned? Ask our Answers community for help.

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Bill Gilbert

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1件のガイドコメント

Thank you for the instructions. Can power to the front control panel be tested without connecting the pressure sensor and water lines.

albert - 返信 共有

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