Here's a summary of common faults in European electric hoists based on the information gathered:

1. Electric Motor Issues

Motor Failure:

Causes: Overheating, electrical faults (e.g., short circuits), or mechanical wear.

Consequences: Complete loss of power, hoist shutdown, and potential safety hazards.

Noise:

Causes: Bearing problems, misalignment, or worn motor components.

Consequences: Reduced efficiency, increased wear, and potential motor failure.

2. Gearbox Problems

Gear Wear:

Causes: Normal operation over time, lack of lubrication, or overloading.

Consequences: Increased noise, vibration, and potential gearbox failure.

Lubrication Issues:

Causes: Insufficient lubrication or degraded lubricant.

Consequences: Increased wear, overheating, and potential gearbox failure.

3. Brake Malfunctions

Brake Failure:

Causes: Worn brake pads or discs, hydraulic leaks, or electrical faults.

Consequences: Safety hazards, load drop, and potential accidents.

Brake Wear:

Causes: Normal operation over time or overloading.

Consequences: Reduced braking efficiency and increased stopping distances.

4. Hook and Chain/Rope Issues

Hook Damage:

Causes: Overloading, improper use, or material fatigue.

Consequences: Potential load drop and safety hazards.

Chain/Rope Wear:

Causes: Normal operation over time, lack of lubrication, or overloading.

Consequences: Chain/rope breakage, load drop, and safety hazards.

5. Electrical Control Problems

Control Circuit Issues:

Causes: Faulty wiring, damaged components, or software errors.

Consequences: Improper hoist operation, safety hazards, and potential system shutdown.

Power Supply Issues:

Causes: Unstable power supply or inadequate voltage.

Consequences: Motor failure, improper operation, and potential damage to electrical components.

6. Mechanical Issues

Wear and Tear:

Causes: Normal operation over time, lack of maintenance, or overloading.

Consequences: Component failure, leaks, and reduced hoist performance.

Alignment Problems:

Causes: Installation errors, component displacement, or wear.

Consequences: Excessive wear, leaks, binding, and reduced efficiency.

7. Operational Issues

Slow or No Action:

Causes: Motor failure, control circuit issues, or power supply problems.

Consequences: Reduced productivity and potential safety hazards.

Positioning Problems:

Causes: Control system errors or mechanical issues.

Consequences: Operational inefficiencies and potential load handling issues.

8. Maintenance Issues

Inadequate Maintenance:

Causes: Lack of cleaning, lubrication, inspection, or component replacement.

Consequences: Increased wear, component failure, and reduced hoist lifespan.

Using Incorrect Components:

Causes: Using non-genuine or low-quality replacement parts.

Consequences: System malfunctions, reduced efficiency, and potential safety hazards.