34
| Nortec AirFog Installation Manual
Troubleshooting
Part
Possible Failure
Symptoms
Solution
Vacuum Valve
Diaphragm Failure
Nozzle sputter.
Low output.
No output.
Replace defective
component.
Pilot Safety Regulator
Diaphragm Ripped
Nozzles sputter.
Air in water line.
Low output.
No Output.
Water drips from bonnet.
Repair regulator using
repair kit.
Valve Seat O-Ring
Pressure water line resulting
in heavy mist.
Could damage main
diaphragm.
No control of output.
Replace o-ring, rebuilt
vacuum valve.
Other O-rings
Vacuum leak, low output, no
output.
Water leaks out.
Replace.
Cracked Housing
Vacuum leak or water dripping
from valve.
Replace damaged
component.
Blockage
Reduced output.
No output.
Clean.
Pilot Air
Regulator
Damaged Diaphragm
Loss in air pressure.
No air pressure.
Uncontrolled air pressure.
Repair.
Stuck Closed Or Open
Unable to adjust pressure.
Disassemble and clean.
Pilot Water
Regulator
Damaged Diaphragm
Loss in water pressure.
No water pressure.
Uncontrolled water pressure.
Repair.
Stuck Closed Or Open
Unable to adjust pressure.
Disassemble and clean.
Solenoid Valve
Burnt Coil
Valve does not activate.
Replace.
Blocked
No pressure leaving the valve.
Clean.
Stuck Closed Or Open
Dirty plunger.
Clean and install
external filters.
Timer
Wrong Timer Settings
System will not come on.
System only stays on for a few
seconds.
Reduce the off cycle.
Increase the on cycle.
Burnt Timer
The timer lights are not on.
Burnt smell from inside the
control panel.
Replace.
Panel
Regulators
Damaged Diaphragm
Loss in air pressure.
No air pressure.
Uncontrolled air pressure.
Repair.
Nortec AFE
Nozzle
Stuck Cleaning Needle
Nozzle does not clean itself.
Lubricate seal and shaft
of needle.
Nozzle Drips
Water on the floor.
Replace damaged
o-ring on end of needle.
