Problem
1. No display or operation.
2. Keypad does not work.
3. Erratic Display or opera-
tion.
4. HEPAtech® Filter and/or
Pre-filter Indicator is
Flashing.
5. HEPAtech® Filter and/or
Carbon Pre-Filter Life
Counter is flashing 0%.
6. Unit has reduced air flow
or increased noise.
Technical Support
If you have any additional questions or problems with your Hunter air purifier, please call
1-888-830-1326 from 7:00AM to 7:00PM Central Time Monday thru Friday and 8:00AM to
5PM Central Time on Saturday, or contact us over the Internet at www.hunterfan.com.
All manuals and user guides at all-guides.com
Solutions
• Confirm that the unit is plugged in.
• Check the installation of the front grill.
• Reset the air purifier. (See Resetting the Air Purifier on
pg. 10.)
• Key pad has been locked to prevent accidental changes
to the programs. (See Keypad Lock on pg. 9 to unlock
the key pad.)
• Reset the air purifier. (See Resetting the Air Purifier on
pg. 10.)
• The HEPAtech® Filter and/or Pre-Filter Life Counters
have reached the estimated usage times. Check and
replace or filters if needed. (Refer to Changing the
Pre-Filter on pg. 11, and Changing the HEPAtech® Main
Filter on pg. 12.)
• The HEPAtech® Filter and/or Pre-Filter Life Counters
have greatly exceeded the estimated usage times.
Replace the corresponding filters.
• The filters are clogged and should be cleaned.(Refer to
Changing the Pre-Filter on pg. 11, and Changing the
HEPAtech® Main Filter on pg. 12.)
15
Troubleshooting
43007-01