For those using the Large Aroma Diffuser, please note that you need to press and hold the power button for about 2 seconds before the device will switch on. This is a deliberate design feature to prevent accidental activation. On the other hand, the Small Aroma Diffuser operates more simply, requiring just a single press of the power button to turn it on.
If you continue to experience difficulties with your diffuser despite following these instructions, your product might be eligible for a replacement under our Electronics warranty policy. We encourage you to review the warranty terms to understand the coverage and conditions that apply.
To proceed with a replacement or any warranty claim, please make sure you have both your original purchase receipt and the warranty card available. You can then visit your nearest MUJI store where our staff will assist you with the available options and guide you through the process.
If your diffuser was purchased through our online store, the process is slightly different. Instead of visiting a physical store, please submit an enquiry using the Contact Us form on our website. Our customer service team will respond promptly to help resolve your issue and provide further instructions.