Troubleshooting
Problem
1. Unit does not
operate.
2. Unusual noise; pop-
ping, sizzling, etc.
3. Pre-Filter and/or
Main Filter indicator
is on.
4. Unit has reduced air
flow or increased
noise.
5. Fault Indicator is on.
Obtaining Replacement Main Filters
To obtain replacement Main Filters for your Air Sterilizer, first determine your model
number by looking at the information label on the back of the Air Sterilizer. The model
number will be listed on the label. Then, call 1-800-4HUNTER for your nearest retailer
or Hunter Customer Service at 1-888-830-1326 (CAN 1-866-268-1936). To ensure
you obtain the correct filters, please find your model number below that specifies the
correct replacement filters.
Hunter Air Sterilizer Model No.: .................... 30580, 30581, 30582
Replacement Main Filter No.: ....................... 30987
CADR:............................................................300
Recommended Room Size:..........................21 x 22
43006-01
Solutions
• Confirm that the unit is plugged in.
• Check the installation of the Pre-Filter, the Main
Filter, and the Top Cover. (See pgs. 8, 9, & 10.)
• Reset the Air Sterilizer. (See Resetting the Air
Sterilizer, pg. 11.)
• Check the installation of the Pre-Filter, the Main
Filter, and the Top Cover. (See pgs. 8, 9, & 10.)
• The Pre-Filter and/or Main Filter Life Counter has
reached the estimated usage times. Check and
clean the Pre-Filter and/or replace the Main Filter
if needed. (See pgs. 7 - 10.)
• The Pre-Filter and/or the Main Filter may be
excessively dirty. Check and clean the Pre-Filter
and/or replace the Main Filter if needed. (See
pgs. 7 - 10.)
• Check the installation of the Pre-Filter, the Main
Filter, and the Top Cover. (See pgs. 8, 9, & 10.)
• Reset the Air Sterilizer. (See Resetting the Air
Sterilizer, pg. 11.)
• If the Fault Indicator remains on after resetting
the Air Sterilizer, turn the unit off and contact
Hunter Technical Support.
• The Pre-Filter and/or the Main Filter may be
excessively dirty. Check and clean the Pre-Filter
and/or replace the Main Filter if needed. (See
pgs. 7 - 10.)
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