Fault description
Cause
Remedy
Nozzle seat soiled.
Nozzle soiled or
defective.
Clean and check the nozzle. If nozzle
is defective, replace it along with the
Spray jet is too thick in the
middle.
Material too viscous.
Change material consistency.
Horn air pressure too
low
Decrease the horn air pressure via the
flat jet control.
Air pressure too low.
Increase the air pressure via the total
air control.
Spray jet is split.
Material too thin.
Change material consistency.
Horn air pressure too
high
Decrease the horn air pressure via the
flat jet control.
Air pressure too high.
Decrease the air pressure via the total
air control.
Spray jet is uneven. The
spray pattern quality is bad.
Nozzle soiled or
defective.
Clean and check the nozzle. If nozzle
is defective, replace it along with the
Cap nut or nozzle is
not properly tight-
ened.
“Cleaning the air cap und nozzle”.
Needle gland worn
out.
“Replacing needle gland seal”.
Faults
12/2016
EcoGun 249 - MSG00014EN
18/40