10SERVICE INDICATIONSERVICE INDICATIONSERVICE INDICATIONSERVICE INDICATIONSERVICE INDICATION SERVICE CHECKSSERVICE CHECKSSERVICE CHECKSSERVICE CHECKSSERVICE CHECKSON/OFF switch “ON” Unit functioning NormallyUnit functioning NormallyUnit functioning NormallyUnit functioning NormallyUnit functioning NormallyBlower ONOperating Light ONON/OFF switch “ON” 1.1.1.1.1. Power is not being supplied to air cleaner.Power is not being supplied to air cleaner.Power is not being supplied to air cleaner.Power is not being supplied to air cleaner.Power is not being supplied to air cleaner.Blower ON A. Check fuse or circuit breaker.Operating Light OFF B. Ensure power pack is properly installed and latched.2.2.2.2.2. Collecting cell shorted - Turn power Off - Remove power pack - RemoveCollecting cell shorted - Turn power Off - Remove power pack - RemoveCollecting cell shorted - Turn power Off - Remove power pack - RemoveCollecting cell shorted - Turn power Off - Remove power pack - RemoveCollecting cell shorted - Turn power Off - Remove power pack - Removecollecting cells - Replace power pack - Restore power (ensure blower iscollecting cells - Replace power pack - Restore power (ensure blower iscollecting cells - Replace power pack - Restore power (ensure blower iscollecting cells - Replace power pack - Restore power (ensure blower iscollecting cells - Replace power pack - Restore power (ensure blower isoperating).operating).operating).operating).operating).A. If Operating Light comes ON check cells for bent plates, loose ionizingwire(s) or cracked insulator(s).B. If Operating Light remains OFF, malfunction is in the power pack. (Seepower supply Checkout Procedure).ON/OFF Switch “ON” 1.1.1.1.1. Air flow sensor contaminated/misalignedAir flow sensor contaminated/misalignedAir flow sensor contaminated/misalignedAir flow sensor contaminated/misalignedAir flow sensor contaminated/misalignedBlower OFF A. Remove power pack and clear contamination inside black bushing aroundOperating Light ON the small sensor element.B. Ensure small sensor element is centered in bushing.2.2.2.2.2. Air sensor left in bypassed condition after servicing.**Air sensor left in bypassed condition after servicing.**Air sensor left in bypassed condition after servicing.**Air sensor left in bypassed condition after servicing.**Air sensor left in bypassed condition after servicing.**3.3.3.3.3. Faulty air flow sensor panel.Faulty air flow sensor panel.Faulty air flow sensor panel.Faulty air flow sensor panel.Faulty air flow sensor panel.Excessive arcing during 1.1.1.1.1. Wet collecting cell.Wet collecting cell.Wet collecting cell.Wet collecting cell.Wet collecting cell.normal operation - A. Allow cell(s) to dry after cleaning before applying power.Operating Light may blink 2.2.2.2.2. Damaged collecting cell(s).Damaged collecting cell(s).Damaged collecting cell(s).Damaged collecting cell(s).Damaged collecting cell(s).A. Remove cell(s) and inspect for bent plates, loose ionizing wire(s), crackedinsulator(s), etc.3.3.3.3.3. Collecting cells dirty.Collecting cells dirty.Collecting cells dirty.Collecting cells dirty.Collecting cells dirty.A. Clean cells as instructed in this manual.4.4.4.4.4. Faulty power supply (see power supply checkout procedure)Faulty power supply (see power supply checkout procedure)Faulty power supply (see power supply checkout procedure)Faulty power supply (see power supply checkout procedure)Faulty power supply (see power supply checkout procedure)**NO**NO**NO**NO**NOTE:TE:TE:TE:TE: Your air cleaner is equipped with an air flow sensor (switch) which turns the unit ON and OFF inresponse to the system blower. It may have been “wired out” during a service check and inadvertently left in thisconditionBASIC SST SERVICE GUIDEBASIC SST SERVICE GUIDEBASIC SST SERVICE GUIDEBASIC SST SERVICE GUIDEBASIC SST SERVICE GUIDEThis guide will cover most homeowner complaints. If, after checking the items listed, the unit still fails to operateproperly, contact the nearest Authorized Service Center.