Product Manual

Troubleshooting
3A7656A 27
Electrical
Symptom: Sprayer does not run, stops
running, or will not shut off.
1. Perform Pressure Relief Procedure,
page 11.
2. Plug sprayer into correct voltage,
grounded outlet.
3. Turn the ON/OFF Switch OFF wait 30
seconds and then turn power back ON
again (this ensures sprayer is in normal
run mode).
4. Turn Pressure Control Knob clockwise
1/2 turn.
5. Turn the ON/OFF Switch OFF , remove
the control cover then turn power back
ON . Observe the status light. Blinking
LED total count equals the error code (for
example: two blinks equals CODE 02).
Error Code Messages
Keep clear of electrical and moving parts
during troubleshooting procedures. To
avoid electrical shock hazards when
covers are removed for troubleshooting,
wait 5 minutes after disconnecting Power
Cord for stored electricity to dissipate.
CODE MESSAGE ACTION
02 HIGH PRESSURE
DETECTED - RELIEVE
PRESSURE
Check for clogs. Use only Graco Airless
Hoses, use a minimum of 50 ft.
03 PRESSURE TRANSDUCER
NOT DETECTED
Check transducer connection.
05 MOTOR NOT SPINNING Check for mechanical failure and check motor
connections.
06 MOTOR OVERHEATED Turn sprayer OFF. Check motor connections.
Check shroud vents for blockage. Sprayer
may take up to an hour to cool.