High humidity will bring some harmful effects to the normal operation of an elevator. The continuous humid weather will easily lead to the damage of the elevator parts. The main factors are as follows:
1. Water vapor would adheres to the circuit board, which easily results in the short-circuit burning of the main board and the elevator going out of action;
3. The insulation performance of elevator components would become poor, which results in the metal shell with accidental "electricity";
4. Metal parts of an elevator would be moisturized and rusty, its service life would be reduced.