Troubleshooting - Graco Project Series Owner's Manual

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
3A4749D
Cause
Diagnostic Light blinks two times
when Trigger is pulled. Indicates
incorrect voltage.
Diagnostic Light blinks three times
when Trigger is pulled. Indicates
Battery temperature is too hot or
cold.
Diagnostic Light blinks four times
when Trigger is pulled. Indicates
locked rotor condition.
Diagnostic Light does not blink when
Trigger is pulled. Indicates Battery is
not installed or is damaged.
Troubleshooting
844-241-9499
Solution
Replace Battery with a charged
Battery.
Battery has reached end of life.
Replace the Battery.
Allow Battery to cool down or
warm up to room temperature.
Replace pump and/or motor
assembly.
Install Battery or replace Battery.
Replace Smartcontrol.
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