TROUBLESHOOTING
PROBLEM
Unit will not operate
Reduced airflow
Reduced odor removal
Excessive noise
Replace filter light remains
lit after filter replacement
Display lights are off
POSSIBLE CAUSE
• Unit is not plugged in
• Power button is not pressed
• No power to unit
• True HEPA filter is not installed
correctly
• Grille cover is not installed
correctly
• The back grille may be blocked
• Pre-filter needs to be
vacuumed
• The True HEPA filter needs to
be replaced
• The True HEPA filter needs to
be replaced
• The unit is not level
• The replace filter indicator
needs to be reset
• Nightlight setting
1 2
SOLUTION
• Plug unit in
• Press the power button to turn the
power on
• Check circuits, fuses, try a
different outlet
• Reinstall the True HEPA filter
• Reinstall the grille cover
• Check to make sure nothing is
blocking the back grille and air
outlet
• Vacuum the pre-filter with the
brush attachment of your vacuum
cleaner
• Replace the True HEPA filter
• Replace the True HEPA filter
• Place the unit on a flat, level
surface
• Press and hold the ionizer button
for 3 seconds until the replace
filter light turns off
• Press the nightlight button until
the desired lights are on/off