Brand: ABB
Category: Other
Document Type: Manual
Language: EN
Brand: ABB
Category: Other
Document Type: Manual
Language: EN
Uploaded: Nov. 21, 2025, 7:22 p.m.
Warranty covers manufacturing and material defects, excluding damage from improper storage, installation, or operation.
| Trouble | Possible Cause | Remedy |
|---|---|---|
| 8.1.1 Mechanical performance | ||
| Machine does not start | Power supply failure | Check power supply. |
| Overload protection tripped | Reset protection. Check for overload. | |
| Incorrect electrical connection | Check connections. | |
| Machine runs with excessive vibration | Unbalance | Check rotor balance. |
| Loose mounting | Tighten foundation bolts. | |
| Bearing damage | Check and replace bearings. | |
| Excessive noise | Bearing damage | Check and replace bearings. |
| Rotor scraping | Check air gap and alignment. | |
| Loose parts | Check and tighten all parts. | |
| 8.1.2 Lubrication system and bearings | ||
| Oil leakage | Damaged seals | Replace seals. |
| Incorrect oil level | Adjust oil level. | |
| Cracked oil container/piping | Repair or replace damaged parts. | |
| Bearing temperature too high | Insufficient lubrication | Check lubrication and replenish if necessary. |
| Excessive lubrication | Reduce lubrication amount. | |
| Bearing damage | Check and replace bearings. | |
| Incorrect oil type/quality | Use recommended oil. | |
| Oil level too low | Leakage | Check for leaks and repair. |
| Evaporation | Check seals and ventilation. | |
| 8.1.3 Thermal performance | ||
| Machine overheating | Overload | Reduce load or check motor size. |
| Insufficient cooling | Check cooling system (fans, filters, air flow). | |
| High ambient temperature | Ensure adequate ventilation or reduce ambient temperature. | |
| Short circuit in windings | Check insulation resistance and repair windings. | |
| High altitude | Ensure motor is suitable for altitude. | |
| Bearing temperature too high | See 8.1.2 | - |
| 8.2 Oil leakage of sleeve bearings | ||
| Oil leakage | Damaged seals | Replace seals. |
| Incorrect oil level | Adjust oil level. | |
| Cracked oil container/piping | Repair or replace damaged parts. | |
| 8.3 Electrical performance, excitation, control and protection | ||
| Overcurrent tripping | Incorrect setting | Adjust protection settings. |
| Short circuit in windings | Check insulation resistance and repair windings. | |
| Overload | Reduce load. | |
| Earth fault | Incorrect setting | Adjust protection settings. |
| Ground fault | Check insulation resistance and repair. | |
| Reverse power | Incorrect setting | Adjust protection settings. |
| Incorrect connection | Check wiring. | |
| Differential protection | Incorrect setting | Adjust protection settings. |
| Internal fault | Contact ABB. | |
| Vibration monitoring | Incorrect setting | Adjust alarm/trip levels. |
| Sensor malfunction | Check and replace sensor. | |
| Temperature monitoring | Incorrect setting | Adjust alarm/trip levels. |
| Sensor malfunction | Check and replace sensor. | |
| Overheating due to other causes | Address the root cause (e.g., overload, cooling). | |