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41791-01 14
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. HEPA 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. 9.)
•Key pad has been locked to prevent accidental changes
to the programs. (See Keypad Lock on pg. 8 to unlock
the key pad.)
• Reset the air purifier. (See Resetting the Air Purifier
on pg. 9.)
•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. 8.)
•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. 11.)
41791-01_rev 08.02.05.pmd 8/2/05, 3:29 PM14