Troubleshooting
Electrical Troubleshooting
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 velocity too high. | Decrease fluid pressure or replace |
|
| worn tip. |
|
|
|
| Incorrect distance from gun to part. | Should be |
|
|
|
| Poorly grounded parts. | Resistance must be 1 megohm or |
|
| less. Clean workpiece hangers. |
|
|
|
| Faulty gun resistance. | See “Test Gun Resistance” on page |
|
| 19. |
|
|
|
| Low fluid resistivity. | Check fluid resistivity. See page 15. |
|
|
|
| Fluid leaks from the fluid needle (26) | Clean the needle cavity. Replace the |
| packings and causes a short. | fluid needle. See page 31. |
|
|
|
| Faulty turbine alternator (19). | Be sure the plug is in place on the |
|
| back of the turbine alternator hous- |
|
| ing. Remove and test the turbine |
|
| alternator. See page 34. |
|
|
|
| The KV | Check the lever position; replace if |
|
| needed. |
|
|
|
ES indicator or voltage/current dis- | ES ON/OFF valve OFF (0).* | Turn ON (I). |
play is not lit. |
|
|
|
|
|
| No power. | Repair/replace alternator turbine; |
|
| replace power supply. See page 33. |
|
|
|
Voltage/current display stays red | Gun too close to part. | Should be |
(smart guns only). |
|
|
|
|
|
| Check fluid resistivity. | See “Check Fluid Resistivity” on |
|
| page 15. |
|
|
|
| Dirty gun. | Clean. See Operation Manual. |
|
|
|
Operator gets mild shock. | Operator not grounded or is near | See “Grounding” on page 13. |
| ungrounded object. |
|
|
|
|
| Gun not grounded. | See “Check Electrical Grounding” on |
|
| page 14 and “Test Gun Resistance” |
|
| on page 19. |
|
|
|
Operator gets shock from workpiece. | Workpiece not grounded. | Resistance must be 1 megohm or |
|
| less. Clean workpiece hangers. |
|
|
|
* ES indicator light is off when the gun is triggered.
24 | 309295 |