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TROUBLESHOOTING GUIDE
Problem Probable Cause Solution
Unit not
operating
Power cable not plugged in Plug in power cable
Power cable not plugged in
properly
Plug in power cable
correctly
Front cover not attached
properly
Reattach the front cover
Loud noise
Filters not unpacked Unpack the lter packaging
(see Filter Replacement
Instructions)
Too much dust on pre-lter Clean the pre-lter
HEPA and Activated Carbon
lters dirty
Replace HEPA and
Activated Carbon lters
Abnormal
noise
Loose parts inside the unit Contact customer service
centre
Motor broken
Indicator
lights not
switched on
Product circuit control failure Contact customer service
centre
UV-C
indicator light
is off
UV-C is switched off Press the UV-C button
UV-C light broken or needs
replacement
Contact customer service
centre
Reduced
airow
Filters are dirty Replace lters
Filters not unpacked Unpack lters
10
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