General reference for SDO V6, V8 & V8E and RDO 8 & 10 opener
Garage door opener does not operate at all with any control device
Door reverses before reaching the floor or stops before reaching the fully opened position
Door only operates from door control button but not from a transmitter
Transmitter only works within short distance to the door
Door opens but will not close
Door not fully closed (only happens with some types of old rolling doors)
Door opens or closes automatically when not in Auto Close Mode
The motor runs when activated, but the door does not move
Note: Information above is for general guidance only and can vary case by case.
The suggested adjustments/solutions are summarised only. Please read the opener's Installation Instruction carefully. We strongly recommend you to contact a professional door service personnel or Herculift for more detailed solutions.