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Version actuelle datée du 30 septembre 2019 à 17:17
Fault finding checklist for servo problems
Technical Bulletin
| TB Number: | 251 |
| Originator: | Gareth Green |
| Machine: | All |
| Date: | 03/04/14 |
| Circulate to: | Service |
| Title: | Fault finding servo drives |
Symptoms
| Code | Description |
| Error message Stall | |
| Error message Following error | |
| Error message Controller error | |
| Neuron has encountered a problem | |
| Grinding noise from motor / gearbox | |
| Motor Jerkiness | |
| Flashing lights on servo drive | |
| Fuse tripe out | |
| No movement of an axis | |
| Inconsistent accuracy | |
| Axis will not stop | |
| Will not initialise | |
| Motor getting hot | |
| Snapping tools |
Actions / Checks
| Code | Description | Tick |
| Check journals not seized | ||
| Check grubscrew and keyway | ||
| Check backlash | ||
| Check lights on drive unit – look up error code if possible | ||
| Test with jog meter | ||
| Put in setup mode and test manually | ||
| Check operator training / understanding | ||
| Check clamps returned to safe position | ||
| Check rollers free to turn | ||
| Check for swarf behind bottom roller retracting CLOUI on ZX | ||
| Check operator loaded correct size | ||
| Check correct tool fitted and not blunt | ||
| Check zip gate assemblies or clackers for swarf build up | ||
| Check gripper height | ||
| Check beam rollers height | ||
| Check mid clamp switch working ok | ||
| Check input voltage / phases | ||
| Check clutch not stuck on | ||
| Check G axis alignment / belt | ||
| Check for blockages in way of axis | ||
| Check end of profile does not hit anything on way in and out | ||
| Check datum switches work reliably | ||
| Check shaft not broken / gears not fallen off | ||
| Check datum positions in parameter files not causing axis to hit end of travel | ||
| Check datum striker plate / sensor plate, not tapered | ||
| Datum to material setting on saw side causing bottoming out | ||
| Wrong loadpos / eject pos files | ||
| Break in cable | ||
| Samsung white plug pins not plugged together / burnt out | ||
| Encoder plug in drive not inserted correctly | ||
| Drive on contactor contacts not working correctly | ||
| Gain parameters / drive tuning | ||
| Check last time it is serviced | ||
| Swap motor for similar motor | ||
| Swap drive for similar drive | ||
| Blue eject bar not back / wobbling | ||
| Clamp pressures | ||
| Blue channel bar pressure and function | ||
Draft
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