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Syntus ST150 Ultrasonic Plate Replacement

Introduction

An ultrasonic plate in an essential oil diffuser is an electric component that vibrates at a very fast rate, creates a mist with water and essential oils, and disperses the mist into the air. A typical ultrasonic plate lasts around 5000 hours, but when it is damaged it has to be replaced. This guide will show you how to disassemble and replace the ultrasonic plate of your Syntus Ultrasonic Diffuser model number ST150.

Before beginning the repair, be sure to unplug the power adapter.

What you need

  1. Syntus ST150 Ultrasonic Plate Replacement, Ultrasonic Plate: step 1, image 1 of 1

    • First, make sure the water tank inside the diffuser is completely dry to avoid any water from contacting the internal components.

    • Make sure the diffuser is disconnected from the power source to avoid electrical hazards.

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  2. Syntus ST150 Ultrasonic Plate Replacement: step 2, image 1 of 2 Syntus ST150 Ultrasonic Plate Replacement: step 2, image 2 of 2

    • With a Phillips #1 screwdriver, remove the three 10 mm screws on the bottom of the diffuser.

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  3. Syntus ST150 Ultrasonic Plate Replacement: step 3, image 1 of 3 Syntus ST150 Ultrasonic Plate Replacement: step 3, image 2 of 3 Syntus ST150 Ultrasonic Plate Replacement: step 3, image 3 of 3

    • Lift the water tank while holding the base of the diffuser.

    • Disconnect the three cables form the board.

    • Make sure when reassembling the diffuser to plug in each cable to its assigned port.

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  5. Syntus ST150 Ultrasonic Plate Replacement: step 4, image 1 of 3 Syntus ST150 Ultrasonic Plate Replacement: step 4, image 2 of 3 Syntus ST150 Ultrasonic Plate Replacement: step 4, image 3 of 3

    • To separate the board from the water tank, unscrew the three Phillips #1 10 mm screws securing the board.

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  6. Syntus ST150 Ultrasonic Plate Replacement: step 5, image 1 of 3 Syntus ST150 Ultrasonic Plate Replacement: step 5, image 2 of 3 Syntus ST150 Ultrasonic Plate Replacement: step 5, image 3 of 3

    • With a Phillips #0 screwdriver, remove the three 7 mm screws from the ultrasonic sensor cover.

    • Remove the cover to expose the ultrasonic sensor.

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  7. Syntus ST150 Ultrasonic Plate Replacement: step 6, image 1 of 3 Syntus ST150 Ultrasonic Plate Replacement: step 6, image 2 of 3 Syntus ST150 Ultrasonic Plate Replacement: step 6, image 3 of 3

    • Detach the ultrasonic sensor from the water tank.

    • Detach the ultrasonic sensor connector from the board.

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  8. Syntus ST150 Ultrasonic Plate Replacement: step 7, image 1 of 1

    • Remove the rubber cover from the ultrasonic plate.

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  9. Syntus ST150 Ultrasonic Plate Replacement: step 8, image 1 of 1

    • Now you can replace the ultrasonic plate of your diffuser.

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Conclusion

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

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