There could be several reasons why your roller shutter motor is not working. Some common causes include: Power source: Check the power source to ensure that the motor is properly connected and has a steady supply of electricity. Remote control: If the motor is controlled by a remote control, check the batteries or try a different remote control to make sure it's not the cause of the problem. Motor fuse: Check the motor fuse to see if it has blown and needs to be replaced. Control circuit: If the control circuit is faulty, the motor may not receive the signal to start and stop, or it may not receive the correct power and speed signals. Encoder: If the encoder is not functioning properly, the control circuit may not be able to accurately determine the position of the motor and control its movement. Gearbox: If the gearbox is damaged, the motor may not be able to transmit power to the electric roller shutter , and it may not move. Motor: If the motor is damage...