8550 Manual
Page 1
Belt Drive Garage Door Opener Model 8550 FOR RESIDENTIAL USE ONLY Write down the following information for installation instructions. . NOTE: If you are installing the garage door opener on a one -piece door, visit www.liftmaster.com for future reference: Serial Number: Date of Purchase: ■ Please read this manual and the enclosed ...DOOR CONTROL 30-31 REMOTE CONTROLS 32-33 TO ERASE THE MEMORY 33 TO OPEN THE DOOR MANUALLY ......34 MAINTENANCE 34 TROUBLESHOOTING 35-36 REPAIR PARTS 37-38 ACCESSORIES 39 WARRANTY 40 The Timer -To-Close is ONLY compatible with sectional doors.
Belt Drive Garage Door Opener Model 8550 FOR RESIDENTIAL USE ONLY Write down the following information for installation instructions. . NOTE: If you are installing the garage door opener on a one -piece door, visit www.liftmaster.com for future reference: Serial Number: Date of Purchase: ■ Please read this manual and the enclosed ...DOOR CONTROL 30-31 REMOTE CONTROLS 32-33 TO ERASE THE MEMORY 33 TO OPEN THE DOOR MANUALLY ......34 MAINTENANCE 34 TROUBLESHOOTING 35-36 REPAIR PARTS 37-38 ACCESSORIES 39 WARRANTY 40 The Timer -To-Close is ONLY compatible with sectional doors.
8550 Manual
Page 6
... test label in plain view on the floor. 13. ALL repairs to avoid accidental release. 7. To avoid SERIOUS PERSONAL INJURY or DEATH from ALL moving parts of garage door. 12. Mount the emergency release within sight of the garage door. • out of reach of children at ) on inside of the.... 6. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to -Close functionality if operating either one -piece door, visit www.liftmaster.com for installation instructions. 6 To be caught in SEVERE INJURY or DEATH. 3.
... test label in plain view on the floor. 13. ALL repairs to avoid accidental release. 7. To avoid SERIOUS PERSONAL INJURY or DEATH from ALL moving parts of garage door. 12. Mount the emergency release within sight of the garage door. • out of reach of children at ) on inside of the.... 6. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to -Close functionality if operating either one -piece door, visit www.liftmaster.com for installation instructions. 6 To be caught in SEVERE INJURY or DEATH. 3.
8550 Manual
Page 14
...at the garage door opener in a later step. To prevent possible SERIOUS INJURY or DEATH from a closing garage door. NOTE: Older LiftMaster accessories and third party products are not compatible.Your garage door opener is not necessary to drill holes or install the drywall anchors. H14...wire to connect, note which wires H16 GANG BOX are used so the correct wires are connected at (1.5 m), and away from ALL moving parts of insulation from 1.2 Connect one end of closing garage door: accessories. Install the Door Control 1 Install the door control INTRODUCTION Compatible with MyQ...
...at the garage door opener in a later step. To prevent possible SERIOUS INJURY or DEATH from a closing garage door. NOTE: Older LiftMaster accessories and third party products are not compatible.Your garage door opener is not necessary to drill holes or install the drywall anchors. H14...wire to connect, note which wires H16 GANG BOX are used so the correct wires are connected at (1.5 m), and away from ALL moving parts of insulation from 1.2 Connect one end of closing garage door: accessories. Install the Door Control 1 Install the door control INTRODUCTION Compatible with MyQ...
8550 Manual
Page 21
... NOT run garage door opener at this time. Attach the ground wire to the green ground screw.The opener must be in compliance with moving parts. 1.10B Reinstall the cover. Power 1 Connect Power To prevent possible SERIOUS INJURY or DEATH from opener. 1.6B Install a conduit or flex cable adapter to the...
... NOT run garage door opener at this time. Attach the ground wire to the green ground screw.The opener must be in compliance with moving parts. 1.10B Reinstall the cover. Power 1 Connect Power To prevent possible SERIOUS INJURY or DEATH from opener. 1.6B Install a conduit or flex cable adapter to the...
8550 Manual
Page 26
... reduce the risk of FIRE or INJURY to persons: • Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. • Use ONLY LiftMaster part # 485LM for the green Battery Status LED to start flashing before proceeding to the corresponding terminals on the right side panel of battery in the...
... reduce the risk of FIRE or INJURY to persons: • Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. • Use ONLY LiftMaster part # 485LM for the green Battery Status LED to start flashing before proceeding to the corresponding terminals on the right side panel of battery in the...
8550 Manual
Page 37
... Troubleshooting issue, it is recommended that you are ordering a repair part please have the model number of the garage door opener. If you... Assembly 7 Trolley Threaded Shaft PART NUMBER 41A5434-11 41A5434-13 41A5434-14 41B5424 4A1008 2777BD 2778BD 2770BD 41B3869-3A 41B4103 109B48 3 6 2 4 7 5 1 Installation Parts 3 2 1 DESCRIPTION 1 Curved Door Arm PART NUMBER NOTICE 178B35 2 Door Bracket...-1 10 3V2016 Lithium Battery 10A19 11 Battery Backup 485LM Contact Information Address repair parts order to your garage door opener while calling. Tucson, AZ 85706 For installation...
... Troubleshooting issue, it is recommended that you are ordering a repair part please have the model number of the garage door opener. If you... Assembly 7 Trolley Threaded Shaft PART NUMBER 41A5434-11 41A5434-13 41A5434-14 41B5424 4A1008 2777BD 2778BD 2770BD 41B3869-3A 41B4103 109B48 3 6 2 4 7 5 1 Installation Parts 3 2 1 DESCRIPTION 1 Curved Door Arm PART NUMBER NOTICE 178B35 2 Door Bracket...-1 10 3V2016 Lithium Battery 10A19 11 Battery Backup 485LM Contact Information Address repair parts order to your garage door opener while calling. Tucson, AZ 85706 For installation...
8550 Manual
Page 38
Repair Parts Garage Door Opener Parts 11 9 4 3 1 12 5 2 10 4 3 7 8 6 38 DESCRIPTION 1 Sprocket and Sprocket Cover with Screws 2 End Panel with labels, battery cover and light socket 3 Light Lens 4 Light Socket 5 Transformer 6 Cover 7 Motor and Travel Module 8 Travel Module 9 End Panel with all labels and light socket 10 Receiver Logic Board 11 Line Cord 12 Filter Board with Screws NOT SHOWN Wire Harness with Screws Battery Backup PART NUMBER 41C589-2 41D217 41A7562 41C279 41A7635 41A7619 41D1739-1 41A7114-7 41D216 45DCT 41B135 41B7611 41B7418 485LM
Repair Parts Garage Door Opener Parts 11 9 4 3 1 12 5 2 10 4 3 7 8 6 38 DESCRIPTION 1 Sprocket and Sprocket Cover with Screws 2 End Panel with labels, battery cover and light socket 3 Light Lens 4 Light Socket 5 Transformer 6 Cover 7 Motor and Travel Module 8 Travel Module 9 End Panel with all labels and light socket 10 Receiver Logic Board 11 Line Cord 12 Filter Board with Screws NOT SHOWN Wire Harness with Screws Battery Backup PART NUMBER 41C589-2 41D217 41A7562 41C279 41A7635 41A7619 41D1739-1 41A7114-7 41D216 45DCT 41B135 41B7611 41B7418 485LM
8550 Manual
Page 40
... include a brief description of the problem and a dated proof-of-purchase receipt with new or factory-rebuilt parts at no cost to you and returned pre-paid. Defective parts will be defective and covered by this limited warranty, call . Some states do not allow limitations on your...repair. ANY SERVICE CALL THAT DETERMINES THE PROBLEM HAS BEEN CAUSED BY ANY OF THESE ITEMS COULD RESULT IN A FEE TO YOU. Warranty LIFTMASTER FIVE YEAR LIMITED WARRANTY LIFETIME MOTOR AND BELT LIMITED WARRANTY ONE YEAR LIMITED WARRANTY FOR EVERCHARGE® STANDBY POWER BATTERY The Chamberlain Group, ...
... include a brief description of the problem and a dated proof-of-purchase receipt with new or factory-rebuilt parts at no cost to you and returned pre-paid. Defective parts will be defective and covered by this limited warranty, call . Some states do not allow limitations on your...repair. ANY SERVICE CALL THAT DETERMINES THE PROBLEM HAS BEEN CAUSED BY ANY OF THESE ITEMS COULD RESULT IN A FEE TO YOU. Warranty LIFTMASTER FIVE YEAR LIMITED WARRANTY LIFETIME MOTOR AND BELT LIMITED WARRANTY ONE YEAR LIMITED WARRANTY FOR EVERCHARGE® STANDBY POWER BATTERY The Chamberlain Group, ...