PTS Ep. 37 - Aromatherapy Diffuser Repair

Updated for 2021:
Who knew this would be such a popular video for a now known common problem. If your diffuser doesn't mist or operate at all please follow directions in this video.
The short synopsis is the controller board may have some corrosion on it which may be cleaned off and the unit may function again. Also, please read the comments below as I may have already helped others with similar issues. From the same comments it seems like this method works most of the time but not always.
Beyond the advice given here, I'm not able to diagnose individual units as there are too many models and varying issues. Basically, unless I have it right in front of me, I'm not of much use.

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