Possible resolution: The most likely cause is that the power source has been disconnected. Check that the motor unit is plugged in, reset the circuit breaker, replace fuse if needed, and/or reset the GFCI switch.
Possible resolution: You may need to adjust the close limit switch, or the garage door may be binding when raised and lowered manually.
Possible resolution: You may need to adjust the close limit switch.
Possible resolution: You may need to adjust the close limit switch.
Possible resolution: You may ned to move the limit switch closer to the motor unit.
Possible resolution: You may need to move the limit switch away from the motor unit.
Possible resolutions: a. Move the remote closer to the garage door to make sure you are not out of range. b. Check that the antenna on the motor unit is hanging downward. c. The battery in the remote may need replacing. d. You may need to reprogram the remote control.