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