1. Turn off the air purifier and unplug it from the power outlet. 2. Locate the filter reset button on the back of the air purifier. It is a small, recessed button.

Turn off the air purifier and unplug it from the power outlet. Locate the filter reset button on the back of the air purifier. It is a small, recessed button.

 Use a paperclip or other pointed object to press and hold the filter reset button for 5 seconds.  The filter reset indicator light will turn on.

Release the filter reset button. Plug the air purifier back into the power outlet and turn it on. The air purifier will now run in normal mode.

Clean the filter regularly with a vacuum cleaner or a damp cloth. Do not use harsh chemicals to clean the filter.

 Make sure the air purifier is turned on. Press and hold the "Change Filter" button for 3 seconds. You will hear a beep and the filter indicator light will turn off.

Clean the pre-filter every 2 weeks. Vacuum the dust and allergens from the filter every month. Replace the filter every 6 months or 1200 hours of use, whichever comes first.

The filter indicator light will turn orange when the filter needs to be replaced. The filter should be replaced every 6 months or 1200 hours of use, whichever comes first.