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