Keep your finger on the button to close the door, this overrides the fault, this could simply be the door operating in high wind and is activating the safety system, it will return to normal.
Frequently Asked Questions
This is to advise you that a service is advisory, if the door is still working normally you do not need to do anything but you will need an engineer to service door to reset this
The control unit is beeping ‘4 times’ – The batteries need replacing in the transmitter which is fitted to the back of the bottom rail.
Two AA batteries will be required.