There are several possibilities and corresponding solutions for how to repair the electric outer swing door controller:
1. The driving device is not powered on - check the socket, plug, manual switch and fuse
2. Open circuit of remote control receiving board - check the wiring of remote control receiving board
3. Motor thermal protection caused by too many runs - reposition the travel switch to increase the travel
4. The remote control is not code aligned - complete the code alignment operation according to the instructions in the manual
5. Remote control system failure - replace the internal battery of the remote control, and ask the maintenance personnel to check the receiving control board

If the remote control works within 10 meters, but not beyond 10 meters, it may be due to the following reasons:
1. The garage is severely shielded
Solution: extend the antenna to the outside of the garage, or extend the antenna out of the driver and straighten it
2. Insufficient battery power
Solution: replace the battery
The above is the maintenance method of the swing door introduced by Huimin transportation. I hope the above can help you. If you have any questions, you can contact our manufacturer and will give you a detailed answer.