Frequently Asked Questions for Whynter Air Purifiers (models AFR-300-BL AFR-300-BU AFR-300-PK AFR-300-PL AFR-425-PW AFR-425-SW)
Question: Why are odor and smoke not eliminated?
Possible reasons and solutions:
The filters may be dirty. Clean or replace the filters.
Ensure the unit is installed in a place where air can circulate effectively. Provide enough clearance around the unit for proper airflow.
Question: Why does air not flow from the unit?
Possible solutions:
Ensure the air inlets are not obstructed.
Make sure that the air outlet vents are clean and not blocked.
Question: Why does my unit not start?
Possible reasons and troubleshooting steps:
There might be a power supply failure. Ensure that the air purifier is plugged in, and the power outlet has power.
If the front cover is not properly installed, it can prevent the unit from starting. Install the front cover properly. Gently hit or press down the cover to ensure it makes the connection.
Check if the 2-in-1 Activated Carbon and HEPA Filter are properly installed. Incorrect installation may hinder the unit from starting. Install the filter properly.
Question: Why does the filter replacement indicator remain on after replacement?
Possible solution:
Restart the unit by unplugging it.
Press and hold the Sleep icon for 5 seconds to reset the Air Quality Filter indicator after replacing the filter.
Question: Why does the remote control not work?
Possible solution:
The remote control may have no power. Replace the battery in the remote control.
Question: Why does the unit always run in the highest speeds in Automatic mode?
Possible solution:
The Air Quality Sensor may have dust on it and needs cleaning. Clean the Air Quality Sensor.
Question: Why is the air purifier noisy and vibrating?
Possible solution:
Ensure the unit sits on a hard and level surface. Do not place the unit on carpet.