Digital Airflow Gauge / Operating Lights
x
The digital readout indicates the airflow volume in cubic feet per minute (CFM).
x
Optimal airflow with clean filters should be over 3000 CFM.
x
As the filters trap particles, the CFM will drop.
x
The green light indicates that the machine is on and is in good working order.
x
The yellow light indicates that the filters are dirty and need cleaning or
replacing.
x
The Duster 3000 will automatically shut down when the yellow light comes on
to prevent permanent damage to the motor.
x
The yellow light has been factory preset to go off around 2300 CFM or lower.