Now the elevator is controlled by the frequency converter. If the frequency converter fails, it will bring inconvenience to many people, and the managers will be very anxious. If the frequency converter is maintained in peacetime, it will greatly reduce the failure rate of the frequency converter. Here are the matters needing attention in the maintenance of the frequency converter in peacetime.
1. The cooling fan of the frequency converter should be cleaned regularly and replaced if it is found to be noisy or not running.
2. Prevent rainwater from getting wet. Usually when a typhoon is blowing, the window doors are damaged by the wind and the frequency converter drips into rainwater.
3. Lightning protection, which is related to the whole building or the whole community lightning protection facilities, Lightning-Struck frequency converters are generally seriously damaged.
4. Elevator electrical room temperature should not be too high, otherwise the frequency converter components are easy to aging, preferably equipped with air conditioning, the effect will be better.
5. The abnormal noise of elevator motor is usually the problem of frequency converter. If the three-phase current of the motor is unbalanced, it is better to repair at this time. If the frequency converter is not working at all, the damage may be more serious. If you do not have maintenance experience, you must ask professional maintenance personnel to repair.