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Protect purifier is stuck on the high-speed level / Display light is orange or red.
To resolve you will need to clean the sensors on the Protect purifier. See the instructions below:
1. The sensors on the Protect are on the left side of the unit and look like diagonal equal signs.
2. Clean out the sensors by using a can of compressed air to spray 3-4 second bursts into the holes.
1. The sensors on the Protect are on the left side of the unit and look like diagonal equal signs.
2. Clean out the sensors by using a can of compressed air to spray 3-4 second bursts into the holes.