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Troubleshooting
Technical Support
If you have any additional questions or problems with your Hunter air purifier, please call 1-
888-830-1326 from 8:00 am to 5:00 pm Central Time or contact us over the Internet at
www.hunterfan.com.
1. No display or operation.
2. Keypad does not work.
3. Erratic Display or
Operation.
4. 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.
Problem 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. 8.)
•Key pad has been locked to prevent accidental changes
to the programs. (See Keypad Lock on pg. 7 to unlock
the key pad.)
• Reset the air purifier. (See Resetting the Air Purifier
on pg. 8.)
•The Filter and/or Pre-Filter Life Counters have reached the
estimated usage times. Check and replace filters if needed.
(Refer to Filter and Pre-Filter Counters on pg. 7.)
•The Filter and/or Pre-Filter Life Counters have greatly
exceeded the estimated usage times. Replace the
corresponding filters.
•The filter is clogged and should be changed. (Refer to
Changing the Filter on pg. 10.)
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