• Do not use with damaged cord or plug. If the air purifier is not working as it should, has been dropped, damaged, left outdoors, or dropped into water, contact the HOOVER SilentAir Customer Service Center at 1-800-473-8520. • Do not operate the air purifier near a shower, bathtub or sink.
Thank you for purchasing the Hoover™ SilentAir 4000 ® The SilentAir purifier has been designed for simple, problem free operation. If you should happen to need ® assistance, contact the HOOVER SilentAir Customer Service Center 1-800-473-8520 www.silentair.com Carton contents A. Air purifier B.
2. How to use Polarized plug Where to place the air purifier To reduce the risk of electric shock, 1. Place your air purifier across the room from an air conditioner or heating this appliance has a polarized plug vent. If there are no vents in the room, place the air purifier near a return (one blade is wider than the other).
Allow air purifier to dry thoroughly. Service To obtain approved service, call the HOOVER SilentAir Customer Service Center at 1-800-473-8520, OR Visit our website at www.silentair.com To replace ionization line, slip the ring To remove ionization line: at one end over the hook.
5. If you have a problem If your air purifier is not operating normally, the cause may be easily found by reviewing the list below. Problem: Power light not on • Unit not firmly plugged into electrical outlet • Plug unit firmly into electrical outlet •...
(Three years if product warranty card is returned.) If this product malfunctions or fails to operate due to a defect covered by this warranty, The Hoover Company or its designee, will, at its option, repair the defective product or replace it with a new product.