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Operating instructions SATAminijet 4400 B RP/HVLP
US
US
Malfunction
Round/flat spray con-
trol cannot be regu-
lated
Spray gun does not
shut-off air
Corrosion on air cap
thread, inside material
passages (cup con-
nection) or on spray
gun body
Black digital display
Material leaks from be-
hind the paint needle
sealing
Spray gun leaks from
the fluid tip ("fluid tip
aperture")
438
438
Cause
Regulation valve dirty
Clogged air piston seat
or worn air piston
Cleaning solution
(water-based) remains
inside/on the spray
gun for too long
Unsuitable cleaning
solutions
Spray gun was im-
mersed in cleaning
solution for too long.
Wrong positioning of
the spray gun inside
the gun washing ma-
chine
Defective or missing
paint needle sealing
Clogged or damaged
paint needle
Contamination be-
tween paint needle tip
and fluid tip
Damaged nozzle set
Corrective action
Remove round/flat
spray control, repair or
replace it, chapter 9.7
Clean air piston seat
and/or replace air pis-
ton, air piston packing,
chapter 9.4
Cleaning, observe
chapter 8, get a re-
placement spray gun
body.
Cleaning, observe
chapter 8, get a re-
placement digital unit.
Replace / insert paint
needle sealing, chap-
ter 9.3
Replace nozzle set,
chapter 9.1; replace
paint needle sealing, if
necessary, chapter 9.3
Clean fluid tip and
paint needle, observe
chapter 8
Replace nozzle set,
chapter 9
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