1. Always observe whether the cooling fan and transmission mechanism of the voltage stabilizer are operating normally, and check whether the input voltage and load exceed the rated range. If any abnormality is found, it should be dealt with in time.
2. Maintenance of the voltage stabilizer every month:
1) Carefully clean each part, especially the carbon brush, contact the exposed part of the coil to remove dirt;
2) Check whether the components and wires inside the voltage stabilizer are loose. If there is a loose connection or poor contact, it should be dealt with in time;
3) Replace worn or damaged carbon brushes in time, and repair or replace any faulty or damaged components in time.
