1. During the transportation or installation process, the tension value of the spring changes due to environmental or human factors;
2. In the normal use and maintenance of the elevator, because the elevator maintenance is not timely and not in place, the spring will cause rust, breakage, fatigue, oil stains, etc., and also cause the spring tension value to change;
3. The speed limiter of Mitsubishi Elevator Parts is changed due to the external force;
4. The speed limiter of Mitsubishi Elevator Parts has a long service life, the wheel groove is seriously worn, and the linear speed of the speed limiter wire rope running of Mitsubishi Elevator Parts changes.
Tags: Mitsubishi Elevator Parts Speed Limiter Failed Main Cause