1. Electrical System Failures
- Symptoms: Motor fails to start or operates abnormally; inaccurate sensor readings.
- Causes: Aging or damaged electrical components, or environmental factors such as moisture and dust.
2. Mechanical Failures
- Symptoms: Damage to transmission systems (gears, bearings), cracks or deformation in support structures, wear or detachment of travel wheels.
- Causes: Prolonged high-intensity operation leading to component fatigue, or poor maintenance.
3. Hydraulic System Failures
- Symptoms: Hydraulic oil leakage, malfunctioning pumps, uncoordinated cylinder movements.
- Causes: Aging seals, worn hydraulic components, or contaminated hydraulic oil.
