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Troubleshooting
22 309291P
Electrical Troubleshooting
* ES indicator light is off when the gun is triggered.
Problem Cause Solution
Poor wrap. ES ON/OFF valve OFF (0).* Turn ON (I).
Gun air pressure too low. Check air pressure to gun; minimum
40 psi (0.28 MPa, 2.8 bar) needed at
gun for full voltage.
Atomizing air pressure too high. Decrease.
Fluid pressure too high. Decrease.
Incorrect distance from gun to part. Should be 8-12 in. (200-300 mm).
Poorly grounded parts. Resistance must be 1 megohm or
less. Clean workpiece hangers.
Faulty gun resistance. See Test Gun Resistance on page
17.
Low fluid resistivity. Check fluid resistivity, page 13.
Fluid leaks from the packing (26d)
and causes a short.
Clean the packing rod cavity.
Replace the packing rod. See page
28.
Faulty turbine alternator. Be sure the plug is in place on the
back of the turbine alternator hous-
ing. Remove and test the turbine
alternator. See page 31.
ES indicator or voltage/current dis-
play is not lit.
ES ON/OFF valve OFF (0).* Turn ON (I).
No power. Replace power supply. See page 30.
Operator gets mild shock. Operator not grounded or is near
ungrounded object.
See Grounding on page 11.
Gun not grounded. See Check Electrical Grounding on
page 12 and Test Gun Resistance
on page 17.
Operator gets shock from workpiece. Workpiece not grounded. Resistance must be 1 megohm or
less. Clean workpiece hangers.