Troubleshooting
Problem | Cause | Solution |
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ES indicator or voltage/current dis- | ES ON/OFF valve OFF (0).* | Turn ON (I). |
play is not lit. |
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| No power. | Replace power supply. See page 47. |
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Voltage/current display stays red | Gun too close to part. | Should be |
(smart guns only). |
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| Check fluid resistivity. | See Operation on page 19. |
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| Dirty gun. | Clean. See page 27. |
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Operator gets mild shock. | Operator not grounded or is near | See Grounding on page 17. |
| ungrounded object. |
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| Gun not grounded. | See Check Electrical Grounding on |
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| page 18 and Test Gun Resistance |
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| on page 30. |
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Operator gets shock from workpiece. | Workpiece not grounded. | Resistance must be 1 megohm or |
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| less. Clean workpiece hangers. |
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* ES indicator light is off when the gun is triggered.
40 | 309293J |
