Graco Pro Xp 60 WB Instructions Manual page 47

Problem
Problem Problem
Operator gets mild shock.
Operator gets shock from
workpiece.
Voltage/current display stays red
(smart guns only).
ES or Hz indicator is amber.
ES or Hz indicator is red.
Error display appears and Hz
indicator is red (Smart guns only).
3A7504A
Cause
Cause Cause
Operator not grounded or is near
ungrounded object.
Gun not grounded.
Workpiece not grounded.
Gun is too close to the part being
sprayed.
Dirty gun.
Alternator speed is too low.
Alternator speed is too high.
Smart module has lost
communication with the power
supply.
Troubleshooting
Solution
Solution Solution
See Grounding, page 18.
See Check Gun Electrical
Grounding, page 32, and
Test Gun Resistance, page
Resistance must be 1 megohm or
less. Clean workpiece hangers.
Gun should be 8–12 in. (200–300
mm) from the part.
See Clean the Gun Daily, page
Increase air pressure until
indicator is green. To avoid
over-atomization, use the
atomizing air restrictor valve to
reduce the atomizing air to the air
cap.
Decrease air pressure until
indicator is green.
Check for good connections be-
tween the Smart Module and the
power supply. See Smart Module
Replacement, page 62
Power Supply Removal and
Replacement, page 56.
39.
36.
and
47