User Manual Q&AAnswer
Mar 04, 2025 - 02:03 AM
According to the owner's manual, the ZUSA-AP-48 Air Purifier has indicator lights that will show you when the filters need to be replaced. When the filter indicator light becomes lit, it means that the filter needs to be replaced. It is recommended to unplug the unit before changing the filter. To replace the filter, press the top buttons on the back cover and pull the cover. Lift the back cover and pull out slightly. Remove the old filter by pulling on the tab at the top. Remove any plastic packaging from the new filter before installing it in the air purifier. Place the new filter in the air purifier with the white side facing you. Replace the back cover. To reset the filter indicator light, hold down the FAN SPEED button and the IONIZER button at the same time for 3-5 seconds. The indicator light will go off, and the timer will be reset for 3000 hours.
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