1. The drive device is not powered on.
2. The manual switch or remote control receiving board is broken.
3. The motor is thermally protected due to too many operations.
Repair methods:
1. Check the socket, plug, manual switch, and fuse.
2. Check the wiring of the manual switch and the remote control receiving board.
3. Reposition the travel switch to increase the travel.
The door automatically reverses when it is not closed or stops running midway without contacting the travel switch when opening the door
Possible reasons:
1. The resistance of opening and closing the door is greater than the set opening and closing load force, which activates the obstacle sensing system.
2. The length of the connecting rod is not adjusted properly.
Repair methods:
1. Open the clutch device and check whether the door body and the torsion spring are balanced and whether the opening and closing are flexible.
2. Increase the opening and closing load force.
3. Adjust the length of the connecting rod when the door is closed.
The manual switch can control the drive device but the remote control cannot
Possible reasons:
1. The manual switch can control the drive device but the remote control cannot.
2. The remote control system is faulty.
Repair method:
1. Complete the code operation according to the instructions in the manual
2. Replace the internal battery of the remote control.
3. Ask the repairman to check the receiving control panel.
The door is not closed tightly or opened completely
Possible cause: The position of the travel switch is not adjusted correctly.
Repair method: Reposition the travel switch to increase the travel.
