| Helper 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 Transmitter only works within short distance to the door
POSSIBLE CAUSE: 1. Battery is weak 2. Metal constructions around the opener, radio (including citizen band transmissions) or other electronic interference.
SOLUTION: 1. Try a new battery 2. Re-position the opener antenna aerial toward the direction of the transmission signal and nominate a Herculift transmitter with a retractable aerial or a hand held transmitter 3. Using an external antenna (optional) 4. Change the receiver with a different band width. 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.
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