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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

Door opens or closes automatically when not in Auto Close Mode
POSSIBLE CAUSE: 1. Transmitter button is jammed and does not spring back so it is always on        2. Accidentally press the transmitter button inside the pocket (keyring type transmitter)
SOLUTION: 1. Check transmitter and use another push button or change a new one 
2. Use a Herculift transmitter with sliding cover to prevent this form happening

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.

@Copyright of Herculift Access Technology (Australia) Pty. Limited
Australia Business Number 85 108 867 894