Graco HVLP Series Operation, Parts page 32

Troubleshooting
Problem
Poor atomization
Circuit breaker trips
TurboControl LED Indicator
blinks (ProContractor and
ProComp models only)
Sprayer shutoff while
spraying
Sprayer does not
automatically shut-off while
in AutoStart setting
(ProContractor and
ProComp models only)
32
Cause
Dirty gun
Dirty air filters
Extension cord too long
Air hose too long
Leaking air hose connections
Dirty air filters
Incorrect power supply voltage
High ambient temperature
Excessive current draw
Dirty air filters
Circuit breaker
Dirty air filters (Blinking
TurboControl LED Indicator -
ProContractor and ProComp
models only)
AutoStart active (ProContractor
and ProComp models only)
Leaking air hose connections
Gun leaking air
What to Do
Clean gun. See Cleaning HVLP
Edge II Gun, page 29.
Clean turbine and motor air filters.
Replace as necessary. See
Cleaning Filters, page 24.
Extension cord must be a 3-wire, 12
2
AWG (2.5mm ) minimum, 50 ft (15
m) maximum length.
Replace with shorter hose, no shorter
than 20 ft (6,1 m)
Disconnect and securely connect all
hose connections.
Clean turbine and motor air filters.
Replace as necessary. See
Cleaning Filters, page 24.
Verify power supply voltage is correct
for sprayer model.
Move sprayer to cooler area.
Return to authorized service center.
Clean turbine and motor air filters.
Replace as necessary. See
Cleaning Filters, page 24.
See "Circuit breaker trips" section
above.
Clean turbine and motor air filters.
Replace as necessary. See
Cleaning Filters, page 24.
Release gun trigger and re-trigger
gun. Turn switch to ON position if
AutoStart is not desired.
Verify air hose and attached
components are those shipped with
the sprayer.
Disconnect air hoses. Verify o-ring is
present inside connection fitting at
turbine end of hose. If using a whip
hose, verify gasket is present inside
connection fitting. Securely connect
all hose connections.
Replace with manufacturer approved
HVLP accessories, if necessary.
Verify use of Edge II Plus gun.
If AutoStart functions when air valve
at end of hose is closed, clean gun.
See Cleaning HVLP Edge II Gun,
page 29. See separate HVLP Edge II
Gun manual.
3A5085C