Door Operates from Drive Unit, but Not From Hand Transmitter

Door Operates from Drive Unit, but Not From Hand Transmitter

Possible causes: 

Transmitter is damaged or broken

Transmitter Code has not been programmed into the receiver

Receiver antenna wire not straight

Battery flat.

 

Possible solutions: 

Try to operate the door with an alternative transmitter

Locate and stretch aerial wire to be as straight as possible

Replace battery(12V)