Troubleshooting - Graco Project Series Owner's Manual

Troubleshooting

Troubleshooting
Check everything in this Troubleshooting
Table before you bring the sprayer to an
authorized service center.
Sprayer Diagnostics
Problem
Sprayer makes no sound
when Trigger is pulled
28
Cause
Diagnostic Light does not blink
when the spray is first plugged in.
Indicates no power to the sprayer.
Diagnostic Light blinks once when
the sprayer is first plugged in.
Indicates power to the sprayer.
Diagnostic Light blinks four times
when the Trigger is pulled. Indicates
a locked rotor condition.
844-241-9499
Solution
Verify power to the sprayer.
Replace Smartcontrol with
enclosure.
Motor has overheated, wait
20–30 minutes for the motor to
cool.
Motor brushes are worn,
replace motor.
Replace pump and/or motor
assembly.
3A4702E