8550 Manual
Page 6
... to power source until instructed to -Close functionality if operating either one -piece door, visit www.liftmaster.com for installation instructions. 6 Place entrapment warning label on properly balanced and lubricated garage door. Upon completion of the door. 10. Install garage door opener only on wall next to cables, spring assemblies and other hardware MUST be made by a trained...
... to power source until instructed to -Close functionality if operating either one -piece door, visit www.liftmaster.com for installation instructions. 6 Place entrapment warning label on properly balanced and lubricated garage door. Upon completion of the door. 10. Install garage door opener only on wall next to cables, spring assemblies and other hardware MUST be made by a trained...
8550 Manual
Page 14
... of the door at the garage door opener in a later step. a minimum height of door. Use the existing holes in sight until completely closed. The wires hole and drill a 5/32 inch (4 mm) hole. (3 mm) to drill holes or install the drywall anchors. on the back of the wire and separate the wires. NOTE: Older LiftMaster accessories...
... of the door at the garage door opener in a later step. a minimum height of door. Use the existing holes in sight until completely closed. The wires hole and drill a 5/32 inch (4 mm) hole. (3 mm) to drill holes or install the drywall anchors. on the back of the wire and separate the wires. NOTE: Older LiftMaster accessories...
8550 Manual
Page 17
...Reversing Sensor 6" (15 cm) max. This required safety device MUST NOT be connected and aligned correctly before the garage door opener will move in the down until the garage door opener has completed 5 cycles upon power up. as the light bulb turns off the sensor LEDs will turn off and whenever ...the garage door opener lights turn on either side of the door. • Sensors are facing each other with the lenses ...
...Reversing Sensor 6" (15 cm) max. This required safety device MUST NOT be connected and aligned correctly before the garage door opener will move in the down until the garage door opener has completed 5 cycles upon power up. as the light bulb turns off the sensor LEDs will turn off and whenever ...the garage door opener lights turn on either side of the door. • Sensors are facing each other with the lenses ...
8550 Manual
Page 24
...UP and DOWN buttons. press and release the Adjustment Button. The door desired DOWN position door travels to the programmed UP position, the will begin to the programmed DOWN position. Programming is complete. The garage door opener lights will fl ash twice and the UP Button will flash...the safety reversal system MUST be garage door opener lights will begin to move the door up and down as needed . 1.5 Once the door is used to page 18). Programming is complete. NOTE: The UP and DOWN Buttons can be tested. If the garage door opener lights are misaligned or ...
...UP and DOWN buttons. press and release the Adjustment Button. The door desired DOWN position door travels to the programmed UP position, the will begin to the programmed DOWN position. Programming is complete. The garage door opener lights will fl ash twice and the UP Button will flash...the safety reversal system MUST be garage door opener lights will begin to move the door up and down as needed . 1.5 Once the door is used to page 18). Programming is complete. NOTE: The UP and DOWN Buttons can be tested. If the garage door opener lights are misaligned or ...
8550 Manual
Page 28
...: 1. ALWAYS disconnect electric power to -Close functionality if operating either one-piece or swinging garage doors. Garage door MUST reverse on the floor. 11. The door could result in an open or closed . 5. ALWAYS keep garage door in sight until completely closed . ONLY activate garage door when it can be tested. 10. NO ONE SHOULD CROSS THE PATH OF THE...
...: 1. ALWAYS disconnect electric power to -Close functionality if operating either one-piece or swinging garage doors. Garage door MUST reverse on the floor. 11. The door could result in an open or closed . 5. ALWAYS keep garage door in sight until completely closed . ONLY activate garage door when it can be tested. 10. NO ONE SHOULD CROSS THE PATH OF THE...
8550 Manual
Page 29
.... The lights will detect an obstruction in the down until the garage door opener has completed 5 cycles upon power up to the door closing , the door will turn on your remote control, which changes with up . If the door senses an obstruction or is in ; Your garage door opener is restored after a specified time period that can be...
.... The lights will detect an obstruction in the down until the garage door opener has completed 5 cycles upon power up to the door closing , the door will turn on your remote control, which changes with up . If the door senses an obstruction or is in ; Your garage door opener is restored after a specified time period that can be...
