we have a 2-car-width (so large-ish) electric roller door which is about 2
years old and has started playing up recently.
It sometimes wont respond the the button on my reciever - when I come up to
the control unit and turn it off and then on again (reset it) it seems to
It also has a red puller string which turns it from manual lift to electric
lift - it has also worked (more rarely though) when I pull the lever once.
I pulled the cover off the motor and saw the circuit board and there is a
flashing standby light. Sometimes it is on and then the door seems to work;
other times it is off, wont work and then needs re-initialising.
Could it be the backup battery? The power? Or something more sinister?
(the tracks are very very clean and very straight, I dont think its a
Thanks for any replies.