
Fault description
Cause
Remedy
Reduce spraying air pressure (A).
Material too thin.
Change material consistency.
Horn air pressure too
high
Raise horn air pressure using the horn air
control (F).
Cone-shaped spray
jet
Bores in air cap are
soiled.
Nozzle soiled or defec-
tive.
“Cleaning”. If nozzle is defective, replace it
Sickle-shaped spray
jet
Bores in air cap are
soiled.
Nozzle soiled or defec-
tive.
“Cleaning”. If nozzle is defective, replace it
Cap nut or nozzle is
not properly tightened.
Tighten cap nut and nozzle.
Uneven spray jet
Nozzle soiled or defec-
tive.
“Cleaning”. If nozzle is defective, replace it
Material pressure too
low.
Increase material pressure.
Feed line pinched or
broken.
Check the feed line.
Needle does not close
correctly.
Check control air.
Check operation of needle. Replace
needle, if defective, together with the
Cap nut or nozzle is
not properly tightened.
Tighten cap nut and nozzle.
Faults
06/2018
EcoGun AS AUTO - MSG00019EN
19/40