1. monthly check fasteners, such as loose or fall off, please fix because fasteners become loose can lead to inaccuracy barrier falls, may also cause other malfunctions;
2. keep gate box clean, except to avoid the body rust, can give people a good impression;
3. to lubricate the connection part every three months, every six months, professional inspection and maintenance;
4. gate of balance Springs runs a long time will deform, which requires testing in a timely manner, adjust the balance;
5. check that the host and the remote control battery is sufficient, if not please change it.
