| Fault phenomenon | cause of issue | Approach |
| Insufficient centrifugal pump flow |
Pump impeller is clogged or worn | Clean or replace impeller |
| Insufficient materials | Check and clean the inlet pipe | |
| Air leakage in pump body or inlet pipe | plug leak | |
| Abnormal vibration of centrifugal pump |
Insufficient brackets cause pipeline vibration | Bracket reinforcement |
| Impeller failure | Check and replace impeller | |
| The anchor screw is loose | fasten | |
| The wheel elastic block is damaged | Replace elastic block | |
| weak foundation | Foundation reinforcement | |
| Cavitation occurs in pump | Make process adjustments | |
| The pump is empty or under pressure | Stop now | |
| Bearing temperature high |
Insufficient or excessive oil quantity, poor oil quality | Add appropriate amount of qualified lubricating oil or completely change the oil |
| Bearing damage | Check and replace bearings | |
| Too much load | Make process adjustments |
