Troubleshooting - Levoit LV-H128 User Manual

T R O U B L E S H O OT I N G
Problem
Air purifier will not turn
on or respond to button
controls.
Airflow is significantly
reduced.
Air purifier makes an
unusual noise while the
fan is on.
Poor air purification
quality.
Possible Solution
Plug in the air purifier.
Plug the air purifier into a different outlet.
Disconnect the AC power adapter from the air purifier and
reconnect it.
Check to see if the AC power adapter is damaged. If so, stop using
the air purifier and contact Customer Support (see page 14).
The air purifier may be malfunctioning. Contact Customer Support
(see page 14).
Make sure the filters are removed from their packaging and
properly in place (see Getting Started, page 5).
Press the Control Button to increase fan speed.
Leave at least 15 in / 38 cm of clearance on all sides of the air
purifier.
The Pre-Filters may be clogged by large particles, such as hair
or lint, blocking airflow. Clean the Pre-Filters (see Cleaning the
Filters, page 8).
Replace the filters (see Replacing the Filters, page 10).
Make sure the filters are properly in place with plastic packaging
removed (see Getting Started, page 5).
Make sure the air purifier is operating on a hard, flat, level surface.
Replace the filters (see Replacing the Filters, page 10).
The air purifier may be damaged, or a foreign object may be inside.
Stop using the air purifier and contact Customer Support (see
page 14). Do not try to repair the air purifier.
Press the Control Button to increase fan speed.
Make sure no objects are blocking the sides or top of the air
purifier (the outlet or inlets).
Make sure the filters are removed from its packaging and properly
in place (see Getting Started, page 5).
Close doors and windows while using the air purifier.
Make sure the room is smaller than 161 ft² / 15 m². The air purifier
may not be as effective in larger rooms.
Replace the filters (see Replacing the Filters, page 10).
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