17
Troubleshooting
Motor hums but no
paint is sprayed or
paint is sprayed
irregularly
Pick up pipe not in the
right position
Blocked pick up pipe
Blocked nozzle
Blocked filter
Output control requires
adjustment
Not enough paint in the
container, air is sucked
in
Re-adjust pick up pipe
Clean with thinner
Clean nozzle
Clean with thinner
Adjust output control
Refill container with
paint
Atomisation is not
good
Output adjustment is not
correct
Paint is too thick
Adjust the amount of
paint via output control
Check the viscosity of
the paint
Over painting
Spray gun is not clean
or not lubricated, piston
is stuck in cylinder
Too much paint
Viscosity is too low
Disassemble spray gun
and clean the parts with
a thinner
Adjust the output control
clockwise to reduce
spraying; two thin coats
are better than one thick
coat
Check viscosity
Motor louder than
normal
Spray gun is not clean
or not lubricated, piston
is stuck in cylinder
Disassemble spray gun
and clean the parts with
a thinner
No sound, no spray
No electricity
Check power supply
