1. Weak or No Vibration
- Fault cause: Insufficient power supply, loose wiring, or damaged vibration motor.
- Solution: Check input voltage, fasten all electrical connections, repair or replace the motor if necessary.
- Fault cause: Eccentric block angle or weight changed.
- Solution: Re-adjust the angle and weight of eccentric blocks to restore standard vibration force.
2. Abnormal Noise & Severe Shaking
- Fault cause: Loose bolts on screen frame, motor base or support structure.
- Solution: Stop the machine and tighten all connecting bolts.
- Fault cause: Damaged bearing or bearing seat.
- Solution: Replace worn bearings and add high-temperature lubricating grease regularly.
- Fault cause: Unbalanced feeding or uneven material distribution.
- Solution: Use a uniform feeder and adjust feeding position to ensure even distribution.
3. Material Stagnation or Slow Movement
- Fault cause: Screen surface inclination angle is too small.
- Solution: Properly increase the inclination of the screen deck.
- Fault cause: Vibration force is too low.
- Solution: Increase eccentric block weight or adjust motor parameters to enhance vibration.
4. Low Screening Efficiency & Material Mixing
- Fault cause: Screen mesh blocked, worn or broken.
- Solution: Clean clogged mesh, replace damaged screen cloth timely.
- Fault cause: Overfeeding or uneven feeding.
- Solution: Control feeding capacity and ensure continuous uniform feeding.
- Fault cause: Improper matching of screen layers for material grading.
- Solution: Use multi-layer circular vibrating screen for multi-grade particle separation.
5. Motor Overheating
- Fault cause: Lack of lubrication or bearing seizure.
- Solution: Replenish lubricating grease, replace damaged bearings.
- Fault cause: Long-term overload operation.
- Solution: Reduce feeding volume to avoid overloading.
- Fault cause: Poor ventilation or unstable voltage.
- Solution: Improve heat dissipation conditions and check power supply stability.
6. Spring Damage & Machine Jumping
- Fault cause: Vibration damping springs fatigued or broken.
- Solution: Replace all damping springs in pairs to keep balance.
- Fault cause: Unlevel installation or unstable foundation.
- Solution: Level the machine base and reinforce the installation foundation.
7. Material Splashing
- Fault cause: Excessive feeding or high vibration amplitude.
- Solution: Control feeding amount and properly adjust vibration amplitude.