Hamilton Beach 04150 Use And Care - Page 6

840115800 ENv00.qxd 6/6/03 9:02 AM Page 10 Replacing the HEPA Filter The HEPA filter will normally last about 12 months before it must be replaced, or approximately every fourth time the carbon pre-filter is replaced. If the filter check gauge indicates that the filter requires replacement, it is recommended that you first replace the carbon pre-filter and then use the filter check gauge to check the filter again. If the colored cylinder still does not float up the gauge, the HEPA filter must also be replaced. 1 Turn off and unplug air purifier. Remove the used HEPA filter by gripping the sides and pulling outward, as shown. Discard the used filter. It cannot be cleaned. 2 Obtain a replacement HEPA filter. Insert the unwrapped HEPA filter, hook fastener side out, into the air purifier. NOTE: Improper filter installation will result in poor air filtration. Troubleshooting Guide The following section provides the solutions to many common problems and questions. If your air purifier is not working correctly, review these solutions first. If your problem is still not solved after reviewing this guide, call our toll-free customer service number, listed on the front cover of this manual, for assistance. The Air Purifier Will Not Turn On • Are the intake grille and the outlet grille installed and locked into place? • Is the fan speed knob turned on? • Is the air purifier plugged into a powered outlet? Reduced Air Flow or Poor Filtering • The intake or outlet grille • The carbon pre-filter or may be blocked. Make the HEPA filter may be sure nothing is in front of clogged. Check the filters or on top of the air purifier. with the filter gauge and replace them, if necessary. 10 11