1. the electric cabinet door should be closed to prevent a large amount of dust from entering the electric cabinet, otherwise the discharge between the electronic components may be short-circuited.
2. When the product is not used for a long time, in order to prevent the user program in the programmable device from being lost, please replace the battery in 3 years.
3. After the product has been placed for a long time (more than three months), before the use and regular inspection, the motor insulation inspection should be done. When the insulation inspection, the motor connection must be separated from the circuit. It is recommended to use 500V voltage type mega. For the Eurometer, the measured insulation resistance should be no less than 5 megohms.