1. Before the roll curtain rises or falls, check whether the door lock is in the release state, there must be no personnel and debris under the door body.
2. The electrician is responsible for all work related to electricity.
3. When the shutter door must be raised by hand, the force should be uniform, and the height of the door should not exceed the height of electric. After the hand-drawn chain is used, check that the chain plate (brake card plate) is restored to its original position.
4. Clean lubricating oil is regularly added to the transmission chain and track.
5. The motor should not run continuously for more than 5 minutes.
6. Replace the battery when the remote control handle signal is weak.
7. The remote control handle shall not be touched or dampened.
8. Check door lock, guideway cleaning, remote control handle, transmission chain, etc.
9. In case of failure, stop the rolling curtain in time, and timely telephone repair.