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Troubleshooting
ProblemProblem
Problem
CauseCause
Cause
SolutionSolution
Solution
Gun is too close to the part being
sprayed.
Gun should be 8–12 in. (200–300
mm) from the part.
Check uid resistivity. See
Check Fluid Resistivity, page 26.
Voltage/current display stays red
(smart guns only).
Dirty gun.
See Clean the Gun Daily, page 29.
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 Smart Module
Replacement, page 51 and
Power Supply Removal and
Replacement, page 43.
363A2494D