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LiftMaster 8550 Support Question

LiftMaster 8550 Support Question

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Question posted by bunshdber on May 21st, 2014

Liftmaster 8550 Will Not Close

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Related LiftMaster 8550 Manual Pages

8550 Manual - Page 1

Belt Drive Garage Door Opener Model 8550 FOR RESIDENTIAL USE ONLY Write down the following information for installation instructions. . The Timer -To-Close is ONLY compatible with MyQ™ and Security✚®2.0 accessories. ■ DO NOT enable the Timer-To-Close feature if you are installing the garage door opener on a one-piece door, visit www.liftmaster.com for future ...
8550 Manual - Page 6

...enable the Timer-to cables, spring assemblies and other hardware MUST be made by a trained door systems technician BEFORE installing opener. 4. ALL repairs to -Close functionality if operating either one -piece door, visit www.liftmaster.com for installation instructions. 6 Install garage door opener 7 feet (2.13 m) or more above the floor and avoiding contact with a 1-1/2" (3.8 cm) high object...
8550 Manual - Page 7

... are installing the garage door opener on a one -piece or swinging garage doors. or you can fasten the header bracket within 4 feet (1.22 m) of the left or right of the door center only if a torsion spring or center bearing plate is in your door to the highest point of travel clearance for installation instructions. 1.1 Close the door and mark...
8550 Manual - Page 10

... Finished Ceiling H4 Unfinished Ceiling 5.4 Attach the end of each hanging bracket to 5.5 Attach the garage door opener to the 5.6 Remove the 2x4 and manually close the the support bracket with appropriate hanging brackets with the header bracket. If the door hits the rail, raise the hardware (not provided). Concrete anchors MUST be different. Your...
8550 Manual - Page 13

... Door Arm Curved Door Arm 9.1 Close the door. Disconnect the trolley by 9.2 Attach the straight door arm to the door bracket using the clevis pin (H7). H8 H9 H2 If the straight door arm is activated. . H11 H7 9.3 Attach the curved door arm to the outer pulling the emergency release handle. Select two aligned holes (as toward the garage door opener...
8550 Manual - Page 14

... so the correct wires are no obstructions to door travel. NOTE: Older LiftMaster accessories and third party products are not compatible.Your garage door opener is properly adjusted, and there are connected at (1.5 m), and away from ALL moving parts of door. Use the existing holes in sight until completely closed. H14 H15 DRYWALL 14 The wires hole...
8550 Manual - Page 17

... must be disabled. • Install the safety reversing sensor so beam is closing garage door: • Correctly connect and align the safety reversing sensor. above garage floor. To prevent SERIOUS INJURY or DEATH from closing , the door will stop and reverse to the garage door opener BEFORE installing the safety reversing sensor. This required safety device MUST NOT be...
8550 Manual - Page 22

... been wired correctly: white wires to white terminal and white/black wires to the garage door opener. IF THE GREEN LED ON THE RECEIVING SENSOR IS NOT GLOWING: Make sure the sensor wire is closing, the door will reverse and the garage door opener lights will flash ten times. When the light beam is obstructed or misaligned while...
8550 Manual - Page 23

...safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. • Incorrect adjustment of garage door travel and cannot be changed. PROGRAMMING BUTTONS The programming buttons are located on floor. UP (Open) DOWN (Close) PROGRAMMING BUTTONS UP Button Adjustment Button DOWN Button 23 To prevent damage to program the...
8550 Manual - Page 24

...garage door opener lights will begin to flash. * If the garage door opener lights are made, the safety reversal system MUST be tested. Programming is complete. If you are misaligned or obstructed (refer to page 18). The garage door opener... children) could be SERIOUSLY INJURED or KILLED by a closing garage door. • Incorrect adjustment of safety reversal system. • ANY adjustments...
8550 Manual - Page 25

... the remote control push button to test the adjustment. If the garage door opener closes the door when the safety reversing sensor is misaligned or obstructed). If the door stops and does not reverse on the floor. 2.1 With the door fully open /close the door 3 or 4 times to close the door. The door MUST reverse when it makes contact with 1-1/2" high (3.8 cm) object...
8550 Manual - Page 26

... will either glow solid orange indicating opener is unplugged. 2.2 Open and close the door using the remote control or door control. Battery Backup To reduce the...or maintenance. • Use ONLY LiftMaster part # 485LM for disposal instructions. 1 Install the battery 1.1 Unplug the garage door opener. 1.2 Open the light lens on the garage door opener. 1.3 Partially insert the battery into...
8550 Manual - Page 28

.... 12. This operator system is properly adjusted, and there are made by a trained door systems technician. 13. NO ONE SHOULD CROSS THE PATH OF THE MOVING DOOR. NEVER use emergency release handle unless garage doorway is CLOSED. ALL repairs to pull garage door open door falling rapidly and/or unexpectedly. 7. SAVE THESE INSTRUCTIONS. 28 If rope knot becomes...
8550 Manual - Page 29

... are misaligned, the door will reverse. USING YOUR GARAGE DOOR OPENER The garage door opener can close the door if you hold the button on when the opener is fully open garage door and the safety reversing sensor infrared beam is equipped with up . When the door is closing , the door will not close . If the obstruction interrupts the sensor beam the garage door opener lights will be...
8550 Manual - Page 30

... feature assists the homeowner in ensuring the garage door opener system stays in the event of an accidental lock out when using the garage door opener light as a work if the garage door opener is designed to prevent activation of the garage door opener from remote controls while still allowing activation from the fully open and closed to allow the TTC to set period...
8550 Manual - Page 31

.... LANGUAGE: Select a language. CYCLE COUNT ON/OFF: Turn the Maintenance Alert (MAS) on . TTC SETTINGS (for garage door opener light to stay on after operation, selectable range of 1-1/2 to -Close feature off . LIGHT SETTINGS: Set duration for sectional doors ONLY): Set the Timer-to 4-1/2 minutes. Turn the Motion sensor off/on, and turn the entry...
8550 Manual - Page 32

... been programmed at the factory to continue. press to operate with the additional remote controls or visit www.liftmaster.com. TO REMOTE 4 Remote Control: Press the button on the side of your garage door. The garage door opener lights will flash (or two clicks will be heard) when the code has been programmed. If programming is...
8550 Manual - Page 34

...8226; If possible, use emergency release handle to disengage trolley ONLY when garage door is clear of persons and obstructions. • NEVER use handle to pull door open or closed if possible. 2 Pull down . NOTICE NOTICE Maintenance EVERY MONTH • Manually operate door. The garage door opener does not require additional lubrication. NOTICETo complywith FCC and or IndustryCanada...
8550 Manual - Page 35

...) as needed . If the sending sensor with self-diagnostic capabilities. Close the garage door using the remote control or the door control. If pre-wired home, check the splices. Close the garage door using the remote control or the door control. See page 18 for installation. The garage door opener will flash installed, connected, or amber LED is lit, check the...
8550 Manual - Page 39

... to the computer and allows you to protect LiftMaster® garage door openers against damage from lightning and power surges. includes a push bar to 4 MyQ™ compatible garage door openers and close the door and a lock feature for 5 minutes when it detects a person entering the garage. SECURITY+®2.0 Wireless Door Control: Push bar, light feature and auxiliary button...

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