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TROUBLESHOOTING GUIDE
Clean Air Delivery Rate
From air cleaner to air cleaner, compare the CADR numbers. First look at suggested room size. Then refer
to the Clean Air Delivery Rate (CADR) numbers. The higher the number, the faster the unit filters the air.
What is CADR?
CADR stands for “Clean Air Delivery Rate,” which indicates the volume of filtered air delivered by
an air purifier. CADR ratings show the effectiveness of how efficient the air purifier is at capturing
fine particles from things like tobacco smoke and plant pollens from the room.
Refer to website for individual model CADR numbers.
Check that the unit is plugged in.
Check that filter is in place.
Confirm that filter is Genuine Replacement Filter
Call Customer Service.
PROBLEM
Unit does not operate.
SOLUTION
Unit shuts off unexpectedly. Check that unit is plugged into a working electrical outlet.
Check that filter is firmly in place.
Check that the Rear Cover is latched firmly in place.
Call Customer Service.
No air circulating from unit.
Unplug unit. Check Pre-/Carbon and filters.
Clean Pre-/Carbon Filter if necessary.
Replace filter if necessary.
Increase in noise level.
Power light is red and flashing.
Blue UV-C light is flashing. Replace Bulb and reset.
Make sure the filters are clean. Replace if necessary.
Replace filter and reset system.
TWIST BULB 1/4 TURN
TO REMOVE BULB
INSTALLING & REMOVING UV-C BULB
1. Remove the Rear Cover of the unit by pushing
Lock & Release Button.
2. After removing the Rear Cover from the unit,
remove the Combination Filter.
3. After removing the Combination
Filter, use a Philips head screw-
driver to remove two (2) screws
and detach the UV-C Metal Shield.
4. The UV-C Bulb is removed by
carefully grasping the bulb with a
clean cloth or tissue and pulling
the bulb straight out of the unit.
5. The UV-C Bulb is reinstalled by sliding it,
horizontally, back into the slots at the top of the unit.
6. Push and hold UV Control Button for 5 seconds
to reset UV Bulb Change Indicator.
3.After removing the Combination
Filter, use a Philips head screw-
driver to remove four (4) screws
and detach the UV-C Metal Shield.
4. The UV-C Bulb is removed by
carefully grasping the bulb with a
clean cloth or tissue and twisting
the bulb 1/4 turn. Remove from unit.
5. The UV-C Bulb is reinstalled by reversing the
process in Step 4.
6. Push and hold UV Control Button for 5 seconds
to reset UV Bulb Change Indicator.
Bulb is NOT visible until
the UV-C METAL SHIELD
has been removed.
PULL UV-C BULB
STRAIGHT OUT
OF UNIT
CHANGE BULB INDICATOR
The blue light on the front of air cleaner will begin to flash continuously when it is time to replace
the UV-C bulb. Replace the bulb according to the directions then press the UV control button and
hold for 5 seconds to restart the system. The light should remain a constant blue.
REPLACE BULB
AC4825 SERIES
Bulb is NOT visible until the
UV-C METAL SHIELD has
been removed.
AC5000 SERIES
IMPORTANT: The UV-C Bulb should be replaced every 10 - 12 months depending on use.
Continue reading below for remaining
instructions on how to Install & Remove
the UV-C Bulb for the AC4825 Series and
the AC5000 Series.
E-8
E-9
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