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Chamberlain AccessMaster M8856 User Manual

Chamberlain AccessMaster M8856
36 pages
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CONTENTS
Preparation . . . . . . . . . . . . . . . .1-2
Assembly . . . . . . . . . . . . . . . . . . 3
Installation . . . . . . . . . . . . . . . 4-11
Install the Door Control. . . . . . 12-13
Install the Protector System
®
. . 14-17
Power. . . . . . . . . . . . . . . . . . 18-19
Adjustments . . . . . . . . . . . . . 20-22
Operation . . . . . . . . . . . . . . . . . 23
Features . . . . . . . . . . . . . . . . . . 24
Door Control . . . . . . . . . . . . . 25-26
Remote Control . . . . . . . . . . . . . 27
To Erase the Memory . . . . . . . . . 27
To Open the Door Manually . . . . . 28
Maintenance . . . . . . . . . . . . . . . 29
Troubleshooting. . . . . . . . . . . 30-31
Accessories. . . . . . . . . . . . . . . . 32
Warranty. . . . . . . . . . . . . . . . . . 33
Repair Parts . . . . . . . . . . . . . 34-35
1/2 hp
Garage Door Opener
The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
Please read this manual and the enclosed safety materials carefully!
Fasten the manual near the garage door after installation.
The door WILL NOT CLOSE unless the Protector System
®
is connected and properly
aligned.
Periodic checks of the garage door opener are required to ensure safe operation.
The model number label is located on the front panel of your garage door opener.
This garage door opener is ONLY compatible with MyQ
®
and Security 2.0™
accessories.
ONLY enable the Timer-to-Close or MyQ
®
remote operation feature when the
garage door opener is installed on a sectional door.
NOTE: If you are installing the garage door opener on a one-piece door, visit
www.liftmaster.com for installation instructions.
www.liftmaster.com
Serial Number:
Date of Purchase:
Models
• M885
• M8856
FOR RESIDENTIAL USE ONLY
Write down the following information for
future reference:
.
.

Questions and Answers:

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Chamberlain AccessMaster M8856 Specifications

General IconGeneral
TypeChain Drive
Horsepower1/2 HP
Max Door Weight500 lbs
Battery BackupNo
Lift Capacity500 lbs
Max Door Height7 feet
Remote ControlYes
Voltage120V

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