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Problem Possible Cause Solution
Unit will not operate • Unit is not plugged in
• No power to unit
• Plug unit in
• Press the POWER
button to turn the
power on
• Check circuits, fuses,
try a different outlet
Reduced airflow or
poor filtering
• The front grill may be
blocked
• HEPA filter may be
clogged
• Check to make sure
nothing is blocking
the front grill and air
outlet
• Check and clean filter
• Replace the filter
Excessive noise • The unit is not level • Place the unit on a
flat, even surface
Troubleshooting