Levoit Core 300-RAC Power Board Replacement

はじめに

Your Levoit Core 300-RAC's power board distributes power safely from a wall outlet to the fan and control board. If your device's fan stops spinning or it simply won't power on, then your power board may have failed. This guide will walk you through replacing this critical part.

Before you begin the repair, take a look at the Levoit Core 300-RAC Troubleshooting page. Once you've determined it is the power board that needs to be replaced, make sure to power off the device and unplug it from the outlet before you begin.

必要な工具と部品

手順1 Air Filter

Levoit Core 300-RAC Power Board Replacement, Air Filter: 手順 1、 2の画像 1

Levoit Core 300-RAC Power Board Replacement, Air Filter: 手順 1、 2の画像 2

Make sure your device is turned off and unplugged for safety.
Turn the Levoit Core 300-RAC over so the bottom is facing up.

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手順2

Levoit Core 300-RAC Power Board Replacement: 手順 2、 3の画像 3

Turn the bottom cover counterclockwise and lift it off to remove it.
The cover does not "snap" on or off when turned.

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手順3

Levoit Core 300-RAC Power Board Replacement: 手順 3、 3の画像 3

Lift the filter straight up and out of the device.

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手順4 Power Board

Levoit Core 300-RAC Power Board Replacement, Power Board: 手順 4、 3の画像 1

Levoit Core 300-RAC Power Board Replacement, Power Board: 手順 4、 3の画像 2

Levoit Core 300-RAC Power Board Replacement, Power Board: 手順 4、 3の画像 3

Use a Phillips #2 screwdriver to remove the four screws that secure the gray lid towards the base of the device.
Set the screws aside in a safe place.

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手順5

Levoit Core 300-RAC Power Board Replacement: 手順 5、 3の画像 3

Use a metal spudger or Jimmy to gently pry between the four white tabs and the white housing to release the outer housing.
Gently pulling up on the outer housing can prevent the clips from resetting.

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手順6

Remove the white outer housing and set it to the side.
The power cord is fed through a hole in the side of this housing, so it has to sit right next to the device.

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手順7

Levoit Core 300-RAC Power Board Replacement: 手順 7、 3の画像 3

Grab the cable channel by its base, squeeze, and pull up at the same time to remove it.

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手順8

Remove the four Phillips #2 screws securing the gray face plate.
Set the screws aside in a safe place.

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手順9

Levoit Core 300-RAC Power Board Replacement: 手順 9、 3の画像 3

Insert a Jimmy or spudger between the white tab and the gray faceplate body to release the faceplate.
Lift it out.

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手順10

Turn your device over so it is upright again.

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手順11

Levoit Core 300-RAC Power Board Replacement: 手順 11、 3の画像 3

Insert the Jimmy between the gray grille cover and the top of the device.
Work your way around the grille cover with the Jimmy to release the clips holding it in place.
Take note of the placement of the clips, as they are keyed and need to go back in the exact way they came out.
Remove the grille cover gently as it is connected by a ribbon cable.
Be careful not to put too much strain on the ribbon cable as it may break.

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手順12

Levoit Core 300-RAC Power Board Replacement: 手順 12、 3の画像 3

Squeeze the tab on the connector to release the bundled cable from the control board.
The connector should come out fairly easily, so do not force it. Pulling too hard could damage the connector.

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手順13

Levoit Core 300-RAC Power Board Replacement: 手順 13、 3の画像 3

Insert a spudger or Jimmy into the four tabs to release them from holding the outer white housing to the inner black core.
Remove the white outer housing.

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手順14

Use a Phillips #2 screwdriver to remove the three screws holding the top of the black center section to the middle section.

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手順15

Levoit Core 300-RAC Power Board Replacement: 手順 15、 3の画像 3

Lift and remove the upper portion of the black core.

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手順16

Levoit Core 300-RAC Power Board Replacement: 手順 16、 3の画像 3

Insert a spudger into the slots around the seam to gently pry the upper part off of the assembly.

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手順17

Feed the ribbon connector through the space in the top part of the assembly before removing it.
Carefully pass the connector through the hole so you do not damage it.

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手順18

Levoit Core 300-RAC Power Board Replacement: 手順 18、 3の画像 3

Use your hands to pry apart the two tabs on opposite sides of the power board.
Use one hand to push on the tabs while gently lifting with your other hand to keep them from resetting.
There is a third tab that the board will slide out from under when the other two are released.
After releasing the two tabs shown, the power board will be free. Do not pull hard on the attached cables as that can damage them as well as other parts.