Alarm: Low Base Pressure

Base pressure dropped below the calibrated base pressure by more than the low base pressure alarm setting.

Possible Cause

Resolution

Regulated system fluid pressure too low

Reset the system pressure to the calibrated pressure and recalibrate the spray gun. Make sure the product quality is acceptable at the new pressure.

Blockage in fluid supply upstream from spray gun

Clean or replace the fluid filter screens. Clean the heater and flush the fluid lines.

Air in fluid system

Purge air from the fluid system.

Fixed orifice in fluid system worn or wrong size

Replace the fixed orifice with one of the proper size.

Leak in fluid system

Fix all leaks in the fluid system.

Pump output too low

Increase the pump output. Check the fluid supply to the pump.