3 Maintenance and InspectionsFS100 3.2 Cooling Fan Inspections3-33.2 Cooling Fan InspectionsInspect the cooling fans as required. A defective fan can cause the FS100to malfunction because of excessive high temperatures inside.The interior circulation fan and cooling fan normally operate while thepower is turned ON. Check if the fans are operating correctly by visualinspection and by feeling air moving into the air inlet and from the outlet.Air intakeAir intake Air intakeAir outletAir outletAir outletAir outletAir outlet(Backside View)Cooling fan installing direction(Top View)Cooling wind direction