Chamberlain AccessMaster M885, AccessMaster M8856 Installation Manual

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1/2 hp Garage Door Opener

Models

• M885

• M8856

FOR RESIDENTIAL USE ONLY

■ 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

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

accessories.

■ ONLY enable the Timer-to-Close or MyQ 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.

remote operation feature when the

is connected and properly

and Security✚ 2.0™

Preparation . . . . . . . . . . . . . . . .1-2

Assembly . . . . . . . . . . . . . . . . . . 3

Installation . . . . . . . . . . . . . . . 4-11

Install the Door Control. . . . . . 12-13

Install the Protector System

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

. . 14-17

Write down the following information for

. .

future reference:

Serial Number:

Date of Purchase:

www.liftmaster.com

The Chamberlain Group, Inc.

845 Larch Avenue

Elmhurst, Illinois 60126-1196

Torsion Spring

Extension Spring

3/16

7/16

1/2

5/32

5/16

Preparation

Safety Symbol and Signal Word Review

Thisgarage door opener has been designed and tested to offer safe serviceprovided it is installed, operated, maintained and testedin strict accordance with the instructions and warnings contained in this manual.

When you see these Safety Symbols and Signal Words on the following pages, they will alertyou to the possibilityof serious injuryordeath ifyou do not comply with the warningsthataccompany them. The hazard may come from something mechanical or from electric shock.Read the warningscarefully.

Mechanical

When you see this Signal Word on the following pages, it will alert you to the possibilityof damage to your garage door and/or the garage door opener if you do not comply with the cautionarystatements thataccompanyit.Read them carefully.

Electrical

Check the Door

To prevent possible SERIOUSINJURYor DEATH:

ALWAYS call a trained door systems technician if garage door binds, sticks, or is out of balance.An unbalanced garage door may NOT reverse when required.

NEVER try to loosen, move or adjust garage door, door springs, cables, pulleys,bracketsor their hardware, ALLof which are under EXTREME tension.

Disable ALLlocksand remove ALLropes connected to garage door BEFORE installation and operating garage door opener to avoid entanglement.

To prevent damage to garage door and opener:

ALWAYS disable locks BEFORE installing and operatingthe opener.

ONLY operate garage door opener at 120V, 60 Hz to avoid malfunctionand damage.

1. Disable locksand remove any ropes connected to the garage door.

2. Liftthe door halfway up. Release the door. If balanced,itshould stayin place, supported entirely byitssprings.

3. Raise and lower the door to checkfor binding or sticking. Ifyour door binds, sticks,or is out ofbalance, call a trained door systemstechnician.

4. Checkthe seal on the bottom of the door. Any gap between the floor and the bottomofthe door mustnot exceed 1/4inch(6 mm). Otherwise,the safety reversal system may not workproperly.

5. The opener should be installed above the center of the door. If there is a torsion spring or center bearing plate in the way of the header bracket,it may be installed within 4 feet(1.2 m) to the left or right of the door center. See page 5.

Tools Needed

Not Provided

Preparation

Carton Inventory

Accessories will varydepending on the garage door opener model purchased. Depending on your specificmodel,other accessoriesmaybe included with your garage door opener.The instructions for these accessories will be attached to the accessoryand are not included in thismanual. The images throughout this manual are for reference and your product may look different.

A. Header bracket B. Pulley and bracket C. Door bracket D. Curved door arm E. Straight door arm

F. Trolley

G. Emergency releaserope and handle

H. Rail

I. Garage door opener

J. Sprocketcover

K. Chain

L. Door control

M. White and red/white wire

N. TheProtector System

Safetyreversing sensors with white and white/blackwire attached:Sending Sensor (1) Receiving Sensor (1) and Safety Sensor Brackets(2)

O. Safetylabels and literature

P. Rail grease

Security+ 2.0™ Accessories

041A7185-2

Premium Motion-DetectingControl Panel

891AC

RemoteControl

Hardware

Installation Door Control Hardware

Hexbolt 5/16"-18 x 7/8" (4) Screw 6AB x 1-1/4" (2) Lag screw5/16"-9 x 1-5/8" (2) Screw 6-32 x 1" (2) ClevisPin 5/16" x 2-3/4" (1) Drywall anchors (2) ClevisPin 5/16" x 1-1/4" (1) Insulatedstaples ClevisPin 5/16" x 1" (1) Nut5/16"-18 (4) Lockwasher 5/16" (4) Self-threading screw1/4"-14 x 5/8" (2) Ring fastener (3) Carriage bolt 1/4"-20 x 1/2" (2) Wing nut1/4"-20 (2)

Assembly

Washered Bolts 5/16"-18x1/2" (Mounted in the garage door opener)

1/2"

1 Attach the Rail to the Garage Door Opener

To avoid possible SERIOUS INJURY to finger from moving garage door opener:

ALWAYS keep hand clear ofsprocketwhile operating opener.

Securely attach sprocketcoverBEFORE operating.

To avoid SERIOUS damage to garage door opener, use ONLY those bolts/fastenersmounted in the top of the opener.

NOTE: ONLY use the bolts removed from the garage door opener. Place the garage door opener on the packing material to prevent scratching.

1. Removethe two bolts from the top of the garage door opener.

2. Align the rail and the styrofoamover the sprocket.Cutthe tape from the rail, chain, and styrofoam.

3. Fasten the rail with the previously removed bolts.

4. Position the chain around the garage door opener sprocket.

5. Install the sprocketcover:Insert the backtab in the slot.Squeeze the cover slightly and insert the front tab in the slot on the mounting plate.

2 Tighten the Chain

1. Loosen the inner nut and lock washer on the trolley threaded shaft.

2. Tighten the outernut until the chain isa 1/2 inchabove the base of the rail at the midpointof the rail.

3. Re-tighten the inner nut.

Slack in the chain isnormal when the door is closed. No readjustmentis necessary.

NOTE: Sprocket noise can result if the chain is too loose. During future maintenance, ALWAYS pull the emergency release handle to disconnect the trolley before adjusting the chain.

Installation

WARNING

IMPORTANT INSTALLATION INSTRUCTIONS

To reduce the risk of SEVERE INJURY or DEATH:

1. READ AND FOLLOW ALL INSTALLATION WARNINGS ANDINSTRUCTIONS.

2. Install garage door opener ONLY on properly balancedand lubricated garage door. An improperly balanced door may NOT reverse when required and could resultin SEVERE INJURY or DEATH.

3. ALL repairs to cables,spring assemblies and other hardware MUST be made by a trained door systemstechnician BEFORE installing opener.

4. Disable ALL locksand remove ALL ropes connected to garage door BEFORE installing opener to avoid entanglement.

5. Install garage door opener 7 feet(2.13 m) or more above floor.

6. Mount the emergencyrelease within reach,butatleast 6 feet (1.83m) above the floor and avoiding contactwith vehicles to avoid accidental release.

7. NEVER connect garage door opener to power source until instructed to do so.

8. NEVERwearwatches, rings or looseclothing while installing or servicing opener. They could be caughtin garage door or opener mechanisms.

NOTE: Ifyou are installing the garage door opener on a one-piece door,visit www.liftmaster.comfor installation instructions.

9. Install wall-mounted garage door control:

10. Placeentrapment warning label on wall next to garage door control.

11. Placemanual release/safetyreversetestlabel in plain view on inside ofgarage door.

12. Upon completion of installation, testsafety reversal system. Door MUST reverse on contact witha 1-1/2"(3.8 cm) high object (or a 2x4 laid flat) on the floor.

13. To avoid SERIOUS PERSONAL INJURY or DEATH from electrocution,disconnectALL electricand battery power BEFORE performing ANY service or maintenance.

14. DO NOT enable the Timer-to-Close functionality if operating either one-piece or swinging garage doors. To be enabled ONLY when operating a sectional door.

within sight of the garage door.

out of reachof children at minimum heightof5 feet (1.5 m).

away from ALL moving parts of the door.

Installation

Header Wall

Unfinished Ceiling

Vertical Centerline of Garage Door

2x4

Structural Supports

Level (Optional)

OPTIONAL CEILING MOUNT FOR HEADER BRACKET

Sectional door with curved track

Header Wall

Track

2" (5 cm)

Highest Point of Travel

Door

1 Determine the Header Bracket Location

To prevent possible SERIOUSINJURY or DEATH:

Header bracket MUST be RIGIDLY fastened to structural supporton header wall or ceiling, otherwise garage door might NOT reverse when required. DO NOT install header bracket over drywall.

Concreteanchors MUST be used if mounting header bracket or 2x4 into masonry.

NEVER try to loosen, move or adjustgarage door,springs,cables,pulleys,brackets,or their hardware, ALL of which are under EXTREME tension.

ALWAYS call a trained door systemstechnician ifgarage door binds, sticks,or is out of balance. An unbalanced garage door might NOT reverse when required.

DO NOT enable the Timer-to-Close functionalityif operating either one-piece or swinging garage doors. To be enabled ONLY when operating a sectional door.

NOTE: Ifyou are installing the garage door opener on a one-piece door,visit www.liftmaster.comfor installation instructions.

Close the door and mark the inside vertical centerline ofthegarage door. Extend the line onto the header wall above the door.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 isin the way; or you can attach it to the ceiling when clearance is minimal. (Itmay be mounted on the wall upside down if necessary,to gain approximately1/2"(1 cm). Ifyou need to install the header bracket on a 2x4 (on wall or ceiling),use lag screws(notprovided) to securely fasten the 2x4 to structural supports.

Open your door to the highest point oftravel as shown.Draw an intersecting horizontal line on the header wall 2"(5 cm) abovethe high point. This heightwill provide travel clearance for the top edge of the door.

NOTE: Ifthe total number of inches exceeds the height available in your garage,use the maximum height possible, or refer to page 6 for ceiling installation.

Installation

HARDWARE

Lag Screw 5/16"-9x1-5/8"

Wall Mount

Optional Mounting Holes

Vertical Centerline of Garage Door

(Header Wall)

Header Bracket

2x4 Structural Support

Door Spring

(Garage Door) Highest Point of Garage Door

Travel

Horizontal Line

Lag Screw 5/16" - 9 x 1-5/8"

(Header Wall)

Ceiling

Mounting Holes

(Finished Ceiling)

Vertical Centerline of Garage Door

Header Bracket

6" (15 cm) Maximum

Door Spring

(Garage Door)

Lag Screw 5/16" - 9 x 1-5/8"

2 Install the Header Bracket

You can attach the header bracket either to the wall above the garage door, or to the ceiling.Followthe instructions which will work best for your particular requirements.Do not installthe header bracket over

drywall. If installing into masonry, use concrete anchors (not provided).

OPTION A

1. Center the bracket on the vertical centerline withthe bottom edge of the bracket on the

2. Mark the vertical set of bracket holes (do not use the holesdesignated for ceiling mount). Drill

WALL INSTALLATION

horizontal line as shown (with the arrow pointing toward the ceiling).

3/16" pilot holes and fasten the bracketsecurely to a structural support with lag screws.

OPTION B

CEILING INSTALLATION

1. Extend the vertical centerline onto the ceiling asshown.

2. Center the bracket on the vertical mark,no more than 6" (15 cm) from the wall. Make sure the arrow is pointing toward the wall. The bracketcan be mounted flush againstthe ceiling when clearance is minimal.

3. Mark the side holes. Drill 3/16" pilot holesand fasten bracket securely to a structural support withlag screws.

Installation

HARDWARE

Clevis Pin 5/16" x 2-3/4" Ring Fastener

Ring Fastener

Clevis Pin 5/16" X 2-3/4"

Connected Disconnected

3 Attach the Rail to the Header Bracket

1. Align the rail with the header bracket.Insert the clevis pin through the holesin the header bracketand rail.Secure with the ring fastener.

NOTE: Use the packing material as a protective base for the garage door opener.

4 Position the Garage Door Opener

To prevent damage to garage door, restgarage door opener rail on 2x4 placed on top sectionof door.

1. Removethe packing material and liftthe garage door opener onto a ladder.

2. Fully open the door and place a 2x4 (laid flat) under the rail. A 2x4 is ideal for setting the distancebetween the rail and the door.Ifthe ladder is not tall enough you will need help at this point.If the door hits the trolleywhen it is raised,pull the trolley release arm down to disconnectthe inner and outer trolley. Slide the outer trolley toward the garage door opener.The trolley can remain disconnected until instructed.

Installation

FIGURE 1

FIGURE 2

(Not Provided) Lag Screws 5/16"- 18x1-7/8"

Measure Distance

Hex Bolt 5/16"- 18x7/8", Lock Washer 5/16", Nut 5/16"-18

FIGURE 3

Finished Ceiling

Unﬁnished Ceiling

Hex Bolt 5/16"- 18x7/8" Nut 5/16"-18 Lock Washer 5/16"

HARDWARE

Not Provided

5 Hang the Garage Door Opener

To avoid possible SERIOUS INJURY from a falling garage door opener,fasten it SECURELY to structural supportsofthegarage. Concreteanchors MUST be used if installing ANY bracketsinto masonry.

Hanging your garage door opener will vary depending on your garage.Two representative installations are shown.Yours may be different.Hanging bracketsshould be angled (Figure 1) to provide rigid support.On finished ceilings (Figure 2), attach a sturdymetalbracketto structural supports before installing the opener. This bracket and fastening hardwareare not provided.

1. Measure the distancefromeach side of the motor unittothe structural support.

2. Cutboth pieces ofthehanging bracket to required lengths.

3. Drill 3/16" pilot holes in the structural supports.

4. Attach one end of eachbrackettoa supportwith 5/16"-18x1-7/8" lag screws(not provided).

5. Fasten the opener to the hanging bracketswith 5/16"-18x7/8"hex bolts,lock washersand nuts.

6. Checktomake sure the rail is centered over the door (or in line with the header bracket if the brackestisnot centered abovethe door).

7. Removethe 2x4. Operatethe door manually. If the door hits the rail, raise the header bracket.

NOTE: DO NOT connect power to opener at this time.

Installation

Lens Tab

75 Watt Max. Light Bulb

Lens Slot

Panel Screw

Light

Lens

Trolley Release Arm

6 Install the Light Bulbs

To prevent possible OVERHEATING of the endpanel or light socket:

DO NOT use shortneckor specialty light bulbs.

DO NOT use halogen bulbs. Use ONLY incandescent.

To prevent damage to the opener:

DO NOT use bulbs larger than 75W.

ONLY use A19 sizebulbs.

INSTALL THE LIGHT

Install a 75 wattmaximum lightbulb in the socket.Light bulb size should be A19,standard neckonly. The lightwill turn ON and remain lit for approximately 4-1/2 minuteswhen power is connected.Then the lightwill turn OFF.

UseA19 standard neck garage door opener bulbs for replacement.

INSTALL THE LENS

Locate and loosen (approximately1/8" [3 mm]) the two screwsnear top of opener front panel.

Position lens against panel with slotted tabs directlybelow screws.Slide lensup to seattabs behind screws.

Snap bottomtabsof lens into panel slots.

Retighten top panel screwstosecure lens.

7 Attach the Emergency Release Rope and Handle

To prevent possible SERIOUSINJURY or DEATHfroma falling garage door:

Ifpossible,use emergency releasehandle to disengage trolley ONLY when garage door is CLOSED. Weak or broken springsor unbalanced door could resultin an open door falling rapidly and/or unexpectedly.

NEVER use emergencyrelease handle unlessgarage doorwayisclear of personsand obstructions.

NEVER use handle to pull door open or closed.Ifrope knot becomesuntied,you could fall.

1. Insertone end of the emergencyrelease rope through the handle.Makesure that “NOTICE” is right side up. Tie a knot at least1 inch (2.5 cm) from the end of the emergency release rope.

2. Inserttheother end of the emergency release rope through the hole in the trolley release arm. Mount the emergencyrelease within reach,butatleast 6 feet (1.83m) above the floor, avoiding contactwith vehicles to prevent accidental releaseand secure witha knot.

NOTE: Ifit is necessaryto cut the emergency release rope, seal the cut end with a match or lighter to prevent unraveling. Ensure the emergency releaserope and handle are above the top of all vehicles to avoid entanglement.

Installation

FIGURE 1

FIGURE 3

Vertical Reinforcement

Vertical Centerline of Garage Door

Door Bracket

Self-Threading Screw 1/4" - 14x 5/8"

Vertical Centerline of Garage Door

FIGURE 4

Vertical Centerline of Garage Door

Bolt 5/16"-18x2" (Not provided)

Inside Edge of Door or Reinforcement Board

FIGURE 2

Vertical Reinforcement

Bolt 5/16"-18x2" (Not provided)

Lock Washer 5/16"

Nut 5/16"-18

Door Bracket

Vertical Centerline of Garage Door

Self-Threading Screw 1/4"-14x5/8"

HARDWARE

8 Install the Door Bracket

Fiberglass,aluminum or lightweight steel garage doors WILL REQUIRE reinforcementBEFORE installation of door bracket.Contact the garage door manufacturer or installing dealer for opener reinforcementinstructions or reinforcement kit.Failure to reinforcethe top section as required according to the door manufacturer may void the door warranty.

A horizontaland vertical reinforcementis needed for lightweight garage doors (fiberglass, aluminum, steel,doors withglass panel, etc.) (not provided). A horizontal reinforcementbrace should be long enough to be secured to twoor three vertical supports.A vertical reinforcement brace should cover the heightofthe top panel.Contactthe garage door manufacturer or installing dealer for opener reinforcementinstructions or reinforcement kit.

NOTE: Many door reinforcement kitsprovide for direct attachment of the clevispin and door arm. In this case you will not need the door bracket;proceed to the next step.

SECTIONALDOORS

1. Center the door bracket on the previously marked vertical centerline used for the header bracketinstallation.Note correctUP placement,as stamped inside the bracket.

2. Position the top edge of the bracket 2"-4" (5-10 cm) below the top edge of the door, OR directlybelow any structural supportacrossthe top of the door.

3. Mark,drill holesand install asfollows, depending on your door’s construction:

Metal or light weight doors usinga vertical angle iron brace between the doorpanel support and the door bracket:

Drill 3/16" fastening holes.Secure the door bracket using the twoselfthreading screws. (Figure1)

Alternately,use two 5/16" bolts, lockwashersand nuts(notprovided). (Figure2)

Metal,insulated or light weight factory reinforced doors:

Drill 3/16" fastening holes.Secure the door bracket using the self-threading screws.(Figure3)

Wood Doors:

Usetop and bottom or side to side door bracketholes. Drill 5/16” holes through the door and secure bracket with 5/16"-18x2" carriage bolts,lockwashersand nuts(notprovided). (Figure4)

NOTE: The 1/4"-14x5/8" self-threading screwsare not intended for use on wood doors.

Installation

Straight Door Arm

Curved Door Arm

(Groove

facing out)

CORRECT

Straight Door Arm

Curved Door Arm

INCORRECT

Clevis Pin 5/16"x1-1/4"

Ring Fastener

Clevis Pin 5/16"x1"

Nut 5/16" - 18

Lock Washer 5/16"

Hex Bolt 5/16" - 18 x 7/8"

HARDWARE

Hex Bolt 5/16"-18x7/8"

Nut 5/16"-18

Lock Washer 5/16"

Clevis Pin 5/16"x1"

Clevis Pin 5/16"x1-1/4"

Ring Fastener

9 Connect the Door Arm to the Trolley

IMPORTANT: The groove on the straight door arm MUST face away from the curved door arm.

1. Close the door.Disconnect the trolley by pulling the emergencyrelease handle.Slide the outer trolley back(awayfromthe door) about 2" (5 cm).

2. Attach the straight door arm to the outer trolley using the clevispin. Attachwiththe ring fastener.

3. Attach the curved door arm to the door bracket using the clevispin. Attachwiththe ring fastener.

4. Align the straight door arm with the curved door arm. Selecttwo aligned holes(as far apartas possible) and attach using the bolts,nutsand lockwashers.

NOTE: Ifthe holes do not line up, reverse the straight door arm. Select two aligned holes (as far apart as possible) and attach using the bolts,nutsand lockwashers.

5. Pull the emergency releasehandle toward the garage door opener until the trolley release arm is horizontal.Thetrolley will re-engage automatically when the garage door opener is activated.

Install the Door Control

HARDWARE

Screw 6ABx1"

(2)

Drywall Anchors

(2)

Screw 6-32x1" (2)

7/16" (11 mm)

Wall

2 3

DRYWALL

GANG BOX

6ABx1"

6-32x1"

Drywall Anchor

4-5

6-32x1"

GANG BOX

DRYWALL

6ABx1"

Drywall Anchor

1 Install the Door Control

To prevent possible SERIOUSINJURY or DEATHfromelectrocution:

Be sure power is NOT connected BEFORE installing door control.

ConnectONLY to 24 VOLTlow voltage wires.

To prevent possible SERIOUS INJURY or DEATH from a closing garage door:

Install door control within sight of garage door,out of reach of children at a minimum height of 5 feet(1.5 m), and away from ALL moving partsofdoor.

NEVER permit children to operateor playwith door control push buttonsor remote control transmitters.

Activate door ONLY when it can be seen clearly, is properly adjusted, and there are no obstructions to door travel.

ALWAYS keep garage door in sight until completely closed.NEVER permit anyone to cross path of closing garage door.

INTRODUCTION

Compatible with MyQ®and Security+ 2.0™ accessories, see page 32. Your garage door opener is compatible with up to 2 Smart Control Panelsor 4 of any other Security+ 2.0™ door controls.

NOTE:Older LiftMaster door controls and third party products are notcompatible.

Install the door control within sight ofthedoor at a minimumheight of 5 feet (1.5 m) where small children cannot reach, and away from the moving parts of the door. For gang box installations it is notnecessary to drill holes or install the drywall anchors.Use the existing holes in the gang box.

NOTE: Your product may look differentthan the illustrations.

1. Strip 7/16 inch (11 mm) of insulation from one end of the wire and separate the wires.

2. Connectone wire to eachof the two screwson the backof the door control. The wires can be connected to either screw. PRE-WIREDINSTALLATIONS:Choose any two wires to connect,note which wires are used so the correct wires are connected at the garage door opener in a laterstep.

3. Mark the location of the bottom mounting hole and drill a 5/32 inch (4 mm) hole.

4. Install the bottomscrew,allowing 1/8 inch (3 mm) to protrude fromthe wall.

5. Position the bottom hole of the door control over the screwand slide down into place.

6. Liftthe push bar up and mark the top hole.

7. Removethe door control from the wall and drill a 5/32 inch (4 mm) hole for the top screw.

8. Position the bottom hole of the door control over the screwand slide down into place. Attach the top screw.

Install the Door Control

HARDWARE

Insulated Staple

(Not shown)

7/16" (11 mm)

Staple

RED

WHITE

GREY

2 Wire the door control to the garage door opener

PRE-WIRED INSTALLATIONS: When wiring the door control to the garage door opener make sure you

use the same wiresthatare connected to the door control.

1. Run the whiteand red/whitewire from the door control to the garage door opener.Attach the wire to the wall and ceiling withthe staples (not applicable for gang box or pre-wired installations).Donot pierce the wire withthe staple as this may cause a short or an open circuit.

2. Strip 7/16 inch (11 mm) of insulation from the end of the wire near the garage door opener.

3. Connectthe wire tothe red and white terminals on the garage dooropener. To insert or release wires fromthe terminal, push in the tab with screwdriver tip.

3 Attach the warning labels

1. Attach the entrapment warning labelon the wall near the door control with tacksor staples.

2. Attach the manual release/safety reverse test label in a visible location on the inside ofthe garage door.

Install the Protector System

Invisible Light Beam Protection Area

Safety Reversing Sensor 6" (15 cm) max. above floor

Introduction

Be sure power is NOT connected to the garage door opener BEFORE installing the safety reversing sensor.

To prevent SERIOUS INJURY or DEATH from closing garage door:

Correctlyconnectand align the safetyreversing sensor. This required safetydevice MUST NOTbe disabled.

Install the safetyreversingsensor so beamis NO HIGHER than 6" (15 cm)above garage floor.

IMPORTANTINFORMATIONABOUTTHESAFETYREVERSINGSENSORS The safety reversingsensors must be connected and aligned correctly before the garage door

openerwill move in the down direction.

The sending sensor (with an amber LED) transmitsan invisible light beam to the receiving sensor (with a green LED). Ifan obstruction breaks the light beamwhile the door is closing, the door will stop and reverse to the full open position, and the garage door opener lights will flash10 times.

NOTE: For energyefficiency the garage door opener will enter sleep mode when the door is fully closed. The sleep mode shuts the garage door opener down until activated.The sleep mode is sequenced with the garage door opener light bulb; as the lightbulb turns offthe sensor LEDs will turn off and whenever the garage door opener lights turn on the sensor LEDs will light. The garage door opener will not go into the sleep mode until the garage door opener has completed 5 cycles upon power up.

Wheninstalling the safety reversingsensors check the following:

Sensors are installed insidethe garage,one on either side ofthedoor.

Sensors are facing each other with the lenses aligned and the receiving sensor lens doesnot receive direct sunlight.

Sensors are no more than 6 inches(15 cm) abovethe floor and the lightbeam is unobstructed.

Install the Protector System

HARDWARE

Carriage Bolt 1/4"-20x1/2"

Wing Nut 1/4"-20

No more than 6 inches (15 cm)

Carriage Bolt 1/4"-20x1/2"

Wing Nut 1/4"-20

(Not provided)

No more than 6 inches (15 cm)

Inside G

arage

Wall

(Not provided)

Lens

Carriage Bolt 1/4"-20x1/2"

Wing Nut 1/4"-20

1 Install the Safety Reversing Sensors

The safetyreversing sensors can be attached to the door track, the wall, or the floor. If the door trackwill not support the sensor bracket a wall installation is recommended.Choose one of the following installations.

OPTION A

1. Slide the curved armsofthe sensor bracket around the edge of the door track. Snap into place

2. Slide the carriage bolt intothe slot on each sensor.

3. Insertthebolt through the hole in the sensor bracket and attachwiththe wing nut.The lenses

DOOR TRACK INSTALLATION

so that the sensor bracketisflush against the track.

on bothsensorsshould pointtoward each other. Makesure the lens is notobstructed by the sensor bracket.

OPTION B

WALLINSTALLATION

Ifadditional clearanceis needed an extension bracket(not provided) or wood blocks can be used. Make sure each brackethas the same amount of clearance so they will align correctly.

1. Position the sensor bracketagainst the wall with the curved armsfacing the door. Make sure there is enough clearancefor the beamto be unobstructed.Markholes.

2. Drill 3/16 inch pilotholes for each sensor bracket and attachthe sensor bracketsto the wall using lag screws(not provided).

3. Slide the carriage bolt intothe slot on each sensor.

4. Insertthebolt through the hole in the sensor bracket and attachwiththe wing nut.The lenses on bothsensorsshould pointtoward each other. Makesure the lens is notobstructed by the sensor bracket.

Install the Protector System

nsid

arage

(Not provided)

1 2

Carriage Bolt 1/4"-20x1/2"

Wing Nut 1/4"-20

HARDWARE

Insulated Staple

(Not shown)

Staple

7/16" (11 mm)

WHITE

GREY

RED

OPTION C

FLOOR INSTALLATION

Usean extension bracket(not provided) or wood blockto raise the sensor bracket if needed.

1. Carefullymeasure the position of both sensor bracketsso they will be the same distancefrom the wall and unobstructed.

2. Attach the sensor bracketsto the floor using concrete anchors (not provided).

3. Slide the carriage bolt intothe slot on each sensor.

4. Insertthebolt through the hole in the sensor bracket and attachwiththe wing nut.The lens on both sensors should point toward each other. Make sure the lensis not obstructed by the sensor bracket.

2 Wire the Safety Reversing Sensors

PRE-WIRED INSTALLATIONS: If your garage already has wires installed for the safetyreversing

sensors,seepage 17.

OPTION A

1. Run the wire from both sensorstothe garage door opener.Attach the wire to the wall and

2. Strip 7/16 inch (11 mm) of insulation from each set of wires. Separate the wires. Twistthe white

3. Insertthewhite wires into the white terminal on the garage door opener.Insertthewhite/black

INSTALLATION WITHOUT PRE-WIRING

ceiling with the staples.

wires together. Twistthe white/blackwires together.

wires into the grey terminal on the garage door opener.Toinsert or remove the wires from the terminal,push in the tab witha screwdriver tip.

Install the Protector System

Safety reversing sensor wires

Pre-installed wires

White

White/Black

Yellow (for example)

Purple (for example)

Not Provided

Pre-installed wires

Safety reversing sensor wires

7/16" (11 mm)

Yellow

Purple

7/16" (11 mm)

Yellow

(for example)

Purple (for example)

To insert or remove the wires from the terminal, push in the tab with a screwdriver tip.

RED

WHITE

GREY

PRE-WIREDINSTALLATION

1. Cutthe end of the safety reversing sensor wire, making sure there is enough wire to reach the pre-installed wiresfromthe wall.

2. Separate the safetyreversing sensor wires and strip 7/16 inch(11 mm) ofinsulation from each end. Choose two of the pre-installed wires and strip 7/16 inch(11 mm) ofinsulation from each end. Make sure that you choose the same color pre-installed wiresfor each sensor.

3. Connectthe pre-installed wires to the sensor wires with wire nutsmaking sure the colors correspond for each sensor. For example,the white wire would connect to the yellow wire and the white/blackwire would connecttothe purple wire.

4. At the garage door opener,strip 7/16 inch (11 mm) of insulation from each end ofthewires previously chosen for the safetyreversing sensors.Twistthe like-colored wires together.

5. Insertthewires connected to the white safetysensor wires to the white terminal on the garage door opener. Insert the wiresthatare connectedto the white/blacksafety sensor wires tothe grey terminal on the garage door opener.

Power

TYPICAL WIRING

Ground Tab

een Ground Screw

Ground Wire

White Wire

PERMANENT WIRING

Black Wire

1 Connect Power

To prevent possible SERIOUSINJURY or DEATHfromelectrocution or fire:

Be sure power is NOT connected to the opener, and disconnect power to circuitBEFORE removing cover to establishpermanent wiring connection.

Garage door installation and wiring MUSTbe in compliance with ALL local electrical and building codes.

NEVER use an extension cord, 2-wire adapter, or change plug in ANYwayto make it fit outlet.Be sure the opener is grounded.

To avoidinstallation difficulties, do not activate the garage door opener at this time.

To reduce the risk of electric shock,your garage door opener has a grounding type plug with a third grounding pin. This plug will onlyfitintoa grounding type outlet.Ifthe plug doesn’t fitinto your outlet, contacta qualified electrician to install the proper outlet.

THERE ARE TWO OPTIONS FOR CONNECTINGPOWER:

OPTION A

TYPICAL WIRING

1. Plug in the garage door opener into a grounded outlet.

2. DO NOT run garage door opener at this time.

OPTION B

PERMANENT WIRING

If permanent wiring is required by your localcode,refer to the following procedure.Tomake a permanent connection throughthe 7/8 inch hole in the top of the motor unit(according to local code):

1. Removethe motor unitcover screws and set the cover aside.

2. Removethe attached 3-prong cord.

3. Connectthe black (line) wire to the screwon the brass terminal; the white (neutral) wire to the screwon the silverterminal;and the ground wire to the green ground screw.The opener must be grounded.

4. Reinstallthe cover.

Power

Green LED

Amber LED

If the receiving sensor is in direct sunlight, switch it with sending sensor so it is on the opposite side of the door.

(invisible light beam)

SENDING SENSOR RECEIVING SENSOR

RED

WHITE

GREY

2 Ensure the Safety Reversing Sensors are Aligned

The door willnotclose if the sensors have not been installed and aligned correctly.

When the light beamisobstructed or misaligned while the door is closing, the door will reverseand the garage door opener lights will flash ten times.If the door is already open, itwillnot close. The sensors can be aligned by loosening the wing nuts,aligning the sensors, and tightening the wing nuts.

1. Checktomake sure the LEDs in both sensors are glowing steadily.TheLEDs in both sensors will glow steadily if they are aligned and wired correctly.

IFTHE AMBER LED ON THE SENDING SENSOR IS NOT GLOWING:

1. Make sure there is power to the garage door opener.

2. Make sure the sensor wire isnotshorted/broken.

3. Make sure the sensor has been wired correctly: White wires to whiteterminal and white/black wires to gray terminal.

IFTHEGREENLEDONTHERECEIVINGSENSORISNOTGLOWING:

1. Make sure the sensor wire isnotshorted/broken.

2. Make sure the senors are aligned.

3 Ensure the Door Control is Wired Correctly

Ifthe door control has been installed and wired correctly,thecommand LED behind the push bar will blink.

Adjustments

UP (Open)

DOWN (Close)

PROGRAMMING BUTTONS

UP Button

Adjustment Button

DOWN Button

Introduction

Withouta properly installed safetyreversal system,persons(particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door.

Incorrectadjustment of garage door travel limitswill interfere withproper operation of safety reversal system.

AfterANY adjustmentsare made, the safetyreversalsystemMUSTbe tested.Door MUST reverse on contactwith 1-1/2"(3.8 cm) high object (or 2x4 laid flat) on floor.

To prevent damage to vehicles,be sure fully open door provides adequate clearance.

Your garage door opener is designed with electronic controls to make setup and adjustments easy.The adjustmentsallowyou to program where the door will stop in the open (UP) and close(DOWN)position. The electronic controls sense the amount of force required toopen and close the door.The force is adjusted automaticallywhen you program the travel.

NOTE: Ifanything interferes with the door’s upward travel it will stop. If anything interferes with the door’s downward travel, it will reverse.

PROGRAMMING BUTTONS

The programmingbuttonsare located on the leftside panel of the garage door opener and are used to program the travel.While programming,the UP and DOWN buttonscan be used to move the door as needed.

To watcha short instructional video on programming your new garage door opener use your smartphone to read the QR Code below:

Adjustments

PROGRAMMING BUTTONS

UP Button

Adjustment Button

DOWN Button

1 2

4 5

6 7

1 Program the Travel

Withouta properly installed safetyreversal system,persons(particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door.

Incorrectadjustment of garage door travel limitswill interfere withproper operation of safety reversal system.

AfterANY adjustmentsare made, the safetyreversalsystemMUSTbe tested.Door MUST reverse on contactwith 1-1/2"(3.8 cm) high object (or 2x4 laid flat) on floor.

While programming,the UP and DOWNbuttonscan be used to movethe door as needed.

1. Press and hold the Adjustment Button until the UP Button beginsto flash and/or a beep is heard.

2. Press and hold the UP Button until the door is in the desired UP position.

3. Once the door is in the desired UP position pressand releasethe AdjustmentButton.The garage door opener lights will flash twice and the DOWN Button will begin to flash.

4. Press and hold the DOWN Button until the door is in the desired DOWNposition.

5. Once the door is in the desired DOWNposition press and releasethe AdjustmentButton.The

Ifthe garage door opener lights are flashing 5 timesduring the steps for Programthe Travel, the programming has timed out. If the garage door opener lights are flashing 10 timesduring the steps for Program the Travel, the safetyreversing sensors are misaligned or obstructed (refer to page 19). When the sensors are aligned and unobstructed,cycle the door through a completeup and down cycle using the remote control or the UP and DOWN buttons.Programming is complete.If you are unable to operate the door up and down, repeat the stepsfor Programming the Travel.

garage door opener lights will flash twice and the UP Button will begin to flash.

6. Press and release the UP Button.When the door travels to the programmed UP position, the DOWNButton will begin to flash.

7. Press and release the DOWN Button.The door will travel to the programmed DOWNposition. Programming is complete.

Adjustments

1 2

2 Test the Safety Reversal System

Withouta properly installed safetyreversal system,persons(particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door.

Safetyreversal system MUSTbe tested every month.

AfterANY adjustmentsare made, the safetyreversalsystemMUSTbe tested.Door MUST reverse on contactwith 1-1/2"(3.8 cm) high object (or 2x4 laid flat) on the floor.

1. Withthe door fully open, placea 1-1/2inch (3.8 cm) board (or a 2x4 laid flat) on the floor, centered under the garage door.

2. Press the remote control push button to close the door. The door MUSTreverse when it makes

Ifthe door stopsand doesnot reverse on the obstruction,increase the downtravel (refer to Adjustment Step 1). Repeat the test.When the door reverses upon contactwith the 1-1/2 inch board,removethe board and open/close the door 3 or 4 timesto testtheadjustment.If the garage door opener continues to fail the safetyreversal test,calla trained door systemstechnician.

contactwith the board.

3 Test the Protector System

Without a properly installed safety reversing sensor, persons (particularlysmall children) could be SERIOUSLY INJURED or KILLED by a closing garage door.

1. Open the door.Place the garage door opener carton in the path of the door.

2. Press the remote control push button to close the door. The door will not move more than an inch (2.5 cm),and the garage door opener lights will flash 10 times.

The garage door opener will notclose froma remote control if the LEDin either safetyreversingsensor is off(alerting you to the factthat the sensor is misaligned or obstructed).Ifthegarage door opener closesthe door when the safetyreversing sensor is obstructed (and the sensors are no more than 6inches[15 cm]above the floor), call for a trained door systemstechnician.

WARNING

Operation

IMPORTANT SAFETYINSTRUCTIONS

To reduce the risk of SEVERE INJURY or DEATH:

1. READ AND FOLLOW ALL WARNINGS AND INSTRUCTIONS.

2. ALWAYS keep remote controlsout of reach of children. NEVERpermit children to operate or play with garage door control pushbuttonsor remote controls.

3. ONLY activate garage door when it can be seen clearly,itis properlyadjusted,and there are no obstructionsto door travel.

4. ALWAYS keep garage door in sight and awayfrompeople and objects until completely closed.NO ONE SHOULDCROSS THE PATH OF THE MOVING DOOR.

5. NO ONE SHOULDGO UNDER A STOPPED, PARTIALLY OPENEDDOOR.

6. Ifpossible,use emergency releasehandle to disengage trolley ONLY when garage door is CLOSED. Use caution when using this release with the door open. Weak or brokensprings or unbalanced door could result in an open door falling rapidlyand/or unexpectedly and increasing the riskof SEVEREINJURY or DEATH.

7. NEVER use emergencyrelease handle unlessgarage doorwayisclear of personsand obstructions.

8. NEVER use handle to pull garage door open or closed. If rope knot becomes untied, you could fall.

9. AfterANY adjustmentsare made, the safetyreversalsystemMUSTbe tested.

10. Safety reversal system MUST be tested every month.Garage door MUSTreverse on contactwith 1-1/2"(3.8 cm) high object (or a 2x4 laid flat) on the floor. Failure to adjustthe garage door opener properlyincreasesthe risk of SEVEREINJURY or DEATH.

11. ALWAYS KEEP GARAGE DOOR PROPERLY BALANCED (see page 1). An improperly balanced door mayNOTreverse when required and could resultin SEVERE INJURY or DEATH.

12. ALL repairs to cables,spring assemblies and other hardware, ALL of which are under EXTREME tension, MUSTbe made by a trained door systemstechnician.

13. To avoid SERIOUS PERSONAL INJURY or DEATH from electrocution,disconnectALL electricpower BEFORE performing ANY serviceor maintenance.

14. This operatorsystemis equipped with an unattended operation feature.The door could move unexpectedly.NO ONE SHOULD CROSS THEPATH OF THE MOVING DOOR.

15. DO NOT enable the Timer-to-Close functionality if operating either one-piece or swinging garage doors. To be enabled ONLY when operating a sectional door.

16. SAVE THESE INSTRUCTIONS.

Features

Your garage door opener is equipped with features to provide you with greatercontrol over your garage door operation.

Alert2Close

The Alert2Close feature provides a visual and an audible alert that an unattended door is closing.

Timer-to-Close (TTC)

The TTCfeature automaticallyclosesthedoor after a specified time period thatcan be adjusted using a TTCenabled door control (Models 881LMor 880LM).Prior to and during the door closing the garage door opener lights will flash and the garage door opener will beep.

MyQ

MyQ®technology uses a 900MHzsignal to provide two-way communication between the garage door opener and MyQ®enabled accessories.Your garage door opener is compatible with up to 16 MyQ accessories.

SECURITY+ 2.0™ REMOTE CONTROLS AND DOOR CONTROLS

Your garage door opener has alreadybeen programmed at the factoryto operate withyour remote control,whichchanges with each use, randomly accessing over 100 billion new codes.Compatible with MyQ®and Security+2.0™ accessories,see page 32.

NOTE: Older LiftMaster remote controls, door controls,and third party products are not compatible.

SECURITY+2.0™ Accessories

Remote Controls

Door Controls

Keyless Entries

THE PROTECTORSYSTEM®(SAFETY REVERSING SENSORS)

When properly connected and aligned,the safetyreversingsensorswill detect an obstruction in the path of the infrared beam.If an obstruction breaks the infrared beam while the door isclosing,thedoor will stopand reverse to full open position,and the opener lights will flash10 times.Ifthe door is fully open, and the safetyreversing sensorsare not installed, or are misaligned, the door will notclose froma remote control. However,you can close the door if you hold the button on the door control or keyless entry until the door is fully closed.The safetyreversing sensors do not affecttheopening cycle.

Up to 12 Up to 2 Smart Control Panels or 4 of anyother Security+ 2.0™ door

controls Up to 1

MEMORY CAPACITY

ENERGY CONSERVATION

For energyefficiency the garage door opener will entersleep mode when the door is fully closed. The sleep mode shutsthe garage door opener down until activated.The sleep mode is sequencedwiththe garage door opener light bulb;as the lightbulb turns off the sensor LEDs will turn offand whenever the garage door opener lights turn on the sensor LEDs will light.The garage door opener will notgo into the sleep mode until the garage door opener has completed 5 cyclesupon power up.

LIGHTS

The garage door opener light bulbswill turn on when the opener is initiallyplugged in; power is restored afterinterruption, or when the garage door opener is activated.Thelights will turn offautomatically after 4-1/2 minutes. Use an incandescentA19 light bulb (100 wattmaximum).

Light Feature

The garage door opener is equipped with an added feature;the lights will turn on when someone enters through the open garage door and the safetyreversing sensor infrared beam is broken. For added control over the light bulbson your garage door opener,see page 26.

USING YOUR GARAGE DOOR OPENER

The garage door opener can be activatedthrough a wall-mounted door control,remote control,wireless keylessentryor MyQ®accessory.When the door is closed and the garage door opener is activatedthe door will open.Ifthe door sensesan obstruction or is interrupted while opening the door will stop.When the door is in any position other than closed and the garage door opener is activatedthe door will close. Ifthe garage door opener sensesan obstruction while closing,the door will reverse. If the obstruction interrupts the sensor beamthe garage door opener lights will blink10 times.However,youcan close the door if you hold the button on the door control or keylessentryuntil the door is fully closed. The safety reversing sensors do not affectthe opening cycle.The safetyreversingsensor mustbe connected and aligned correctlybefore the garage door opener will move in the down direction.

Door Control

Push Bar

LIGHT Button

SERVICE LED

LOCK Button

COMMAND LED

LEARN Button

Using the Door Control

SYNCHRONIZETHEDOORCONTROL

To synchronize the door control to the garage door opener,pressthe push bar untilthe garage door opener activates (it may take up to 3 presses).Testthe door control by pressing the push bar,each press of the pushbar will activate the garage door opener.

PUSH BAR

Press the push bar to open or close the door.

LIGHTBUTTON

Press the LIGHT button to turn the garage door opener lights on or off.When the lights are turned on theywill stayon untilthe LIGHTbutton is pressed again,or untilthe garage door opener is activated. Once the garage door opener is activated the lightswill turn off after the specified period of time (the factory setting is 4-1/2 minutes).The LIGHTbuttonwill not control the lights when the door is in motion.

The followingfeatures are accessible by liftingupthe pushbar: LEARNA DEVICE

Any compatible remote controls, wireless keylessentry,or MyQ®accessories can be programmed to the garage door opener by pressing the LEARN button the door control,see page 27.

LOCK

The LOCK feature is designed to preventactivation of the garage door opener from remote controls while still allowing activation fromthe door control and keylessentry.Thisfeature is useful for added peace of mind when the home is empty(i.e.vacation).

AUTOMATIC LIGHT Light Feature

The lights will turn on when someone enters through the open garage door and the safetyreversing sensor infrared beam is broken.

MAINTENANCE ALERT (MAS)

Thisfeature assists the homeowner in ensuring the garage door opener systemstays in good working condition. When the garage door opener needs to be serviced (approximately 4500 garage door opener cycles) the command (yellow) and service(red) LEDs will begin to alternately flash backand forth.The factory setting for the MAS feature is offand can be activated attime of installation.Contactyour installing dealer for service.

Door Control

LOCK Button

Command LED

LOCK Button

LIGHT

Button

Command LED

LEARN Button

LIGHT Button

Service LED

Control Panel Setup

LOCK

NOTE: Your remote controls will NOT work when LOCK mode is active however your keylessentry will still allow access to your garage.

Activate: Pressand hold the LOCKbutton for 2 seconds.Thecommand LED will flash as long as the lock feature is activated and your handheld remote control will not operateyour door at this time.

Deactivate: Pressand hold the LOCKbutton again for 2 seconds.Thecommand LED will stopflashing and normal operation will resume.

LIGHT

To change the amount of time the garage door opener lights will stay on: Press and hold the LOCK button until the garage door opener lights flash.*The time interval is indicated

by the number of flashes.

Number of times garage door opener lights flash Time the garage door opener light stayson

1 1 1/2 Minutes 2 2 1/2 Minutes 3 3 1/2 Minutes 4 4 1/2 Minutes

To cyclethrough the time intervals repeat the step above. * Approximately 10 seconds

LIGHT FEATURE (Default is Active) Deactivate:

Press and hold the LIGHT button until the garage door opener lights turn on,then off again.*

Activate:

Startwith the garage door opener lights on. Press and hold the LIGHTbutton until the garage door opener lights turn off, then on again.*

NOTE: Ifthe command LED is continuously blinking, the LOCK feature needs to be deactivated.

MAINTENANCE ALERTSYSTEM (MAS): Activate/Deactivate

Press and hold the LEARNbutton. Then press the LIGHTbutton.The serviceLED will flashthe status; Active is 2 flashes and deactivatedis 3 flashes.

Remote Control

The command LED will ﬂash once.

The command LED will ﬂash once again.

? ? ? ?

GHI

JKL

TUV

WXY

0 QZ

ENTER

MNO

LEARN LED

LEARN Button

“click”

1-2

Yourremote control has been programmed at the factory to operate with your garage door opener.

Older LiftMaster remote controls are NOTcompatible, see page 32 for compatible accessories. Programming can be done through the door control or the learn button the garage door opener.To program additional accessoriesrefer to the instructions provided with the accessoryor visit www.liftmaster.com.If your vehicle is equipped with a Homelink®, you may require an external adapter depending on the make, model, and year ofyour vehicle. Visit www.homelink.comforadditional information.

TO ADD,REPROGRAM, OR CHANGE A REMOTE CONTROL/KEYLESS ENTRY PIN USING THE DOOR CONTROL

1. Press the LEARNbutton on the door control to enter Programming Mode.

2. Press the LEARNbutton again, the LED will flashonce.

3. Remote Control: Press the button on the remote control that you wish to operate your garage door.

Keyless Entry:

Enter a 4-digitpersonal identification number (PIN) of your choice on the keylessentry keypad.Then press the ENTERbutton.

The garage door opener lights will flash (or two clickswill be heard) when the code hasbeen programmed. Repeat the stepsabove for programming additional remote controlsor keylessentry devices.If programming is unsuccessful, program the remote using the learn button.

PROGRAM USING THE GARAGE DOOR OPENER

1. Locate the Learn button on the garage door opener.

2. Press and immediatelyrelease the Learn button. The Learn LED will glow steady for 30 seconds.Within 30 seconds...

3. Press and hold the button the remote control that you wishto use. Release the button when the garage door opener lights blink or two clicksare heard.Ifprogramming to other products, press the button a second time to activate products.

To Erase the Memory

ERASE ALL REMOTE CONTROLS ANDKEYLESS ENTRIES

1. Press and hold the learn button on garage door opener until the learn LED goesout (approximately 6 seconds).All remote control and keyless entry codes are now erased.

Reprogram anyaccessory you wish to use.

ERASE ALL DEVICES (Including MyQ®enabledaccessories)

1. Press and hold the learn button on garage door opener until the learn LED goesout (approximately 6 seconds).

2. Immediately pressand hold the learn button again until the learn LED goesout.All codes are now erased.

Reprogram anyaccessory you wish to use.

To Open the Door Manually

NOTICE

To prevent possible SERIOUSINJURY or DEATHfroma falling garage door:

Ifpossible,use emergency releasehandle to disengage trolley ONLY when garage door is CLOSED. Weak or broken springs or unbalanceddoor could result in an open door falling rapidly and/or unexpectedly.

NEVER use emergencyrelease handle unlessgarage doorwayisclear of personsand obstructions.

NEVER use handle to pull door open or closed.Ifrope knot becomesuntied,you could fall.

DISCONNECT THE TROLLEY

1. The door should be fully closed ifpossible.

2. Pull down on the emergencyrelease handle.

RECONNECT THE TROLLEY

The lockout feature prevents the trolleyfromreconnecting automatically.

1. Pull the emergency releasehandle down and back(toward the opener).The door can then be raised and lowered manually as often as necessary.

2. To disengage the lockout feature, pull the handle straight down. The trolley will reconnecton the next UP or DOWNoperation, either manually or by using the door control or remote control.

Maintenance

Maintenance Schedule

EVERY MONTH

Manually operatedoor. If it is unbalanced or binding,call a trained door systemstechnician.

Checktobe sure door opens and closesfully. Adjust if necessary,see page 21.

Testthe safety reversal system.Adjustifnecessary, see page 22.

EVERY YEAR

Oil door rollers,bearings and hinges. The garage door opener does notrequire additional lubrication. Do notgrease the door tracks.

EVERY TWO TO THREE YEARS

Usea rag to wipe awaythe existing grease fromthe garage door opener rail. Reapply a small layer of white lithium grease to the top and underside of the rail surface where the trolley slides.

The Remote Control Battery

To prevent possible SERIOUSINJURY or DEATH:

NEVER allow small children near batteries.

Ifbatteryisswallowed, immediately notify doctor.

To reduce riskof fire, explosion or chemical burn:

Replace ONLY with 3V2032 coin batteries.

DO NOT recharge,disassemble, heat above 212°F (100°C) or incinerate.

To replace the battery,pry open the case in the middle,then at each side with the visorclip. Insertreplacement batterypositiveside up (+). Replace the batteries with only 3V2032 coin cell batteries.Disposeof old batteriesproperly.

NOTICE: To complywith FCC and/orIndustry Canada (IC)rules,ad justmentormodifications of thistransceiver are prohibited .THERE ARENO USERSERVICEABLEPARTS.

Thisdevice complies with Part 15 ofth eFCC rules and IC RSS-210. Operation is subject to the fo llowing two cond itions:(1) thisdevice maynotcause harmfulinterference, and (2) thisd evicemust a cceptanyinterference received, including interferencethat maycause undesired op eration.

ThisClass Bdigital appa ratus complieswithCanad ianICES-003.

AVIS: Les règlesde laFCC et/ou d’IndustrieCanada (IC)interdisent toutajustement ou tou te modification dece récepteur. IL N’EXISTEAUCUNEPIÈCESUSCEPTIBLED’ÊTREENTRETENUE PAR L’UTILISATEUR.

Cet appareilestconformeauxdispositionsde lap artie15 du règlement de la FCCet de l'normeICRSS-210. Son utilisationest assujettie aux deux conditoins suivantes :(1) cedispositif ne peutcauserdesinterférences nuisibles,et(2) ce dispositifdoit accepter touteinte rférence recue, y comprisune interférence pouvant causerun fonctionnement non sou haité.

Cet appareilnumeriquede laclasseBest conforme a lan ormeNMB-003 du Canada.

Troubleshooting

Diagnostic Chart

Your garage door opener is programmed withself-diagnosticcapabilities.TheUP and DOWN arrows on the garage door opener flash the diagnosticcodes.

DIAGNOSTICCODE SYMPTOM SOLUTION

Up Arrow

Flash(es)

1 1 The garage door opener will notclose and the light

1 2 The garage door openerwill not closeand the light

1 3 The door control will notfunction. The wires for the door control are shorted or the door control is faulty.Inspectsafetysensor wire atall

1 4 The garage door openerwill not closeand the light

1 5 Door moves6-8" stops or reverses. Manually open and close the door.Checkforbinding or obstructions,such asa broken spring or

1 6 Door coastafter it has come to a complete stop. Program travel to coasting position or have door balancedby a trained technician.

2 1-5 No movement or sound. Replace logic board.

3 2 Unable to set the travelor retain position. Checktravelmodule for proper assembly,replace if necessary.

Down Arrow

Flash(es)

bulbs flash.

No movement,only a single click. Manually open and close the door.Checkforbinding or obstructions,such asa broken spring or

Opener hums for 1-2 seconds no movement. Manually open and close the door.Checkforbinding or obstructions, such as a broken spring or

Safetysensorsare notinstalled, connected or wires may be cut.Inspect sensor wires for a disconnectedor cut wire.

There is a short or reversed wire for the safety sensors.Inspectsafetysensor wire atall staple points and connection points and replace wire or correct as needed.

staple points and connection pointsand replacewire or correctas needed.

Safetysensorsare misaligned or were momentarily obstructed.Realign bothsensorstoensure both LEDs are steadyand notflickering. Make sure nothing is hanging or mounted on the door that would interrupt the sensors pathwhile closing.

door lock,correctasneeded. Check wiring connectionsat travel module and at the logicboard. Replace travel module if necessary.

door lock,correctasneeded. Replace logic board if necessary.

door lock,correctasneeded. Replace motor if necessary.

Troubleshooting

DIAGNOSTICCODE SYMPTOM SOLUTION

Up Arrow Flash

(es)

4 1-4 Door is moving stopsand or reverses. Manuallyopen and closethe door.Checkfor binding or obstructions, such as a broken spring or

4 5 Opener runs approximately 6-8", stops and reverses. Communication error to travel module. Check travel module connections,replace module if

4 6 The garage door openerwill not closeand the light

Down Arrow

Flash(es)

bulbs flash.

door lock,correctasneeded. If the door is binding or sticking contacta trained door systems technician.Ifdoor is notbinding or sticking attempttoreprogram travel (refer to page 21).

necessary.

The garage door openercan beep for several reasons:

Garage door opener has been activated through a device orfeature such as Timer-to-Close, garage door monitor or MyQ®InternetGateway,seepage 24.

My remote controlwill not activate the garage door:

Verify the lock feature is not activatedon the door control.

Reprogram the remote control.

Ifthe remote control will stillnot activatethe door checkthe diagnostic codes to ensure the garage door opener is working properly.

My doorwill not close and the light bulbs blink on my motor unit:

The safetyreversing sensor must be connected and aligned correctlybefore the garage door opener will move in the down direction.

Verify the safetysensorsare properly installed, aligned and free of any obstructions.

My garage dooropener light(s) will not turnoff when the door is open:

The garage door opener is equipped with a feature that turns the light on when the safetyreversingsensors have been obstructed.Thisfeature can be disabled using the door control,see page 26.

My neighbor’s remote controlopens my garage door:

Erase the memoryfromyour garage door opener and reprogramthe remote control(s).

My vehicle's Homelink®is not programmingto my garage dooropener:

Depending on the make,model, and year ofyour vehicle an external adapter may be required. Visit www.homelink.com for additional information.

Accessories

828LM LiftMaster

Internet Gateway:

Internet enabled accessory which connects to the computer and allows you to monitor and control garage door openers and lighting accessories enabled by

MyQ

technology.

823LM Remote Light Switch:

Automatically control your lights using your garage door opener, a SECURITY✚ 2.0™ remote control or a LiftMaster® Internet Gateway. Simply replaces your current wired wall switch.

825LM Remote Light Control:

Automatically control your lights using your garage door opener, a SECURITY✚ 2.0™ remote control or a LiftMaster® Internet Gateway. Plugs into any interior outlet.

975LM Laser Garage Parking Assist:

Laser enables homeowners to precisely park vehicles in the garage.

829LM Garage and Gate Monitor:

Monitor open/closed status for up to 4 MyQ® compatible garage door openers or gate operators and close them from anywhere in the home.

877MAX MAX Wireless Keyless Entry:

For use outside of the home to enable access to the garage using a 4-digit PIN. Works with ALL LiftMaster® openers from 1993- present.

892LT/894LT 2 & 4 Button Learning Remote

Controls:

Compatible with LiftMaster® garage door openers manufactured since 1997. Also compatible with Encrypted DIP for gate applications.

990LM Surge Protector:

The Garage Door Opener Surge Protector is designed to protect LiftMaster® garage door openers against damage from lightning and power surges. Easy to install.

891MAX 880LM3-Button Premium

MAX Remote Control:

Compatible with LiftMaster

garage door openers manufactured since 1993. Includes visor clip.

893MAX 3-Button MAX Remote

Control:

Compatible with LiftMaster® garage door openers manufactured since 1993. Includes visor clip.

890MAX Mini 3-Button MAX Remote

Control:

Compatible with LiftMaster® garage door openers manufactured since 1993.

Smart Control Panel®:

Displays temperature, time and system diagnostics; includes a push bar to open and close the door and a lock feature for extra security. SECURITY✚ 2.0™ compatible.

881LM Motion Detecting

Control Panel with Timer-to-Close Control:

Multi-function door control with motion sensor that automatically turns opener lights on when it detects a person entering the garage. SECURITY✚ 2.0™ compatible.

886LM Motion Detecting

Control Panel:

Multi-function door control with motion sensor that automatically turns opener lights on when it detects a person entering the garage. SECURITY✚ 2.0™ compatible.

Warranty

ACCESSMASTER ONE-YEAR LIMITED WARRANTY

FOUR YEAR MOTOR LIMITED WARRANTY

The Chamberlain Group, Inc. (“Seller”) warrants to the first retail purchaser of this product, for the residence in which this product is originally installed, that it is free from defect in materials and/or workmanship for a period of one year from the date of purchase and that the motor is free from defect in materials and/or workmanship for a period of four years from the date of purchase. The proper operation of this product is dependent on your compliance with the instructions regarding installation, operation, maintenance and testing. Failure to comply strictly with those instructions will void this limited warranty in its entirety.

If, during the limited warranty period, this product appears to contain a defect covered by this limited warranty, call 1-800-528-9131, toll free, before dismantling this product. Then send this product, pre-paid and insured, to our service center for warranty repair. You will be advised of shipping instructions when you call. Please include a brief description of the problem and a dated proof-of-purchase receipt with any product returned for warranty repair. Products returned to Seller for warranty repair, which upon receipt by Seller are confirmed to be defective and covered by this limited warranty, will be repaired or replaced (at Seller’s sole option) at no cost to you and returned pre-paid. Defective parts will be repaired or replaced with new or factory-rebuilt parts at Seller’s sole option.

ALL IMPLIED WARRANTIES FOR THE PRODUCT, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED IN DURATION TO THE ONE-YEAR LIMITED WARRANTY PERIOD SET FORTH ABOVE [EXCEPT THE IMPLIED WARRANTIES WITH RESPECT TO THE MOTOR, WHICH ARE LIMITED IN DURATION TO THE FOUR-YEAR LIMITED WARRANTY PERIOD FOR THE MOTOR], AND NO IMPLIED WARRANTIES WILL EXIST OR APPLY AFTER SUCH PERIOD. Some States do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply to you. THIS LIMITED WARRANTY DOES NOT COVER NON-DEFECT DAMAGE, DAMAGE CAUSED BY IMPROPER INSTALLATION, OPERATION OR CARE (INCLUDING, BUT NOT LIMITED TO ABUSE, MISUSE, FAILURE TO PROVIDE REASONABLE AND NECESSARY MAINTENANCE, UNAUTHORIZED REPAIRS OR ANY ALTERATIONS TO THIS PRODUCT), LABOR CHARGES FOR REINSTALLING A REPAIRED OR REPLACED UNIT, REPLACEMENT OF BATTERIES AND LIGHT BULBS OR UNITS INSTALLED FOR NON-RESIDENTIAL USE.

THIS LIMITED WARRANTY DOES NOT COVER ANY PROBLEMS WITH, OR RELATING TO, THE GARAGE DOOR OR GARAGE DOOR HARDWARE, INCLUDING BUT NOT LIMITED TO THE DOOR SPRINGS, DOOR ROLLERS, DOOR ALIGNMENT OR HINGES. THIS LIMITED WARRANTY ALSO DOES NOT COVER ANY PROBLEMS CAUSED BY INTERFERENCE. ANY SERVICE CALL THAT DETERMINES THE PROBLEM HAS BEEN CAUSED BY ANY OF THESE ITEMS COULD RESULT IN A FEE TO YOU. UNDER NO CIRCUMSTANCES SHALL SELLER BE LIABLE FOR CONSEQUENTIAL, INCIDENTAL OR SPECIAL DAMAGES ARISING IN CONNECTION WITH USE, OR INABILITY TO USE, THIS PRODUCT. IN NO EVENT SHALL SELLER’S LIABILITY FOR BREACH OF WARRANTY, BREACH OF CONTRACT, NEGLIGENCE OR STRICT LIABILITY EXCEED THE COST OF THE PRODUCT COVERED HEREBY. NO PERSON IS AUTHORIZED TO ASSUME FOR US ANY OTHER LIABILITY IN CONNECTION WITH THE SALE OF THIS PRODUCT.

Some States do not allow the exclusion or limitation of consequential, incidental or special damages, so the above limitation or exclusion may not apply to you. This limited warranty gives you specific legal rights, and you may also have other rights which vary from state to state.

Repair Parts

Rail Assembly Parts Installation Parts

DESCRIPTION PART NUMBER

1 Master link kit 4A1008

2 Chain pulley bracket 41A4813

3 Complete trolley

assembly

4 One-piece rail 1707LM

One-piece rail - 8’ (2.4 m)

One-piece rail - 10’ (3 m)

5 Full chain assembly 41D3484

Not Shown

Rail Grease 83A11-2

Owner’s Manual 114A4728

41A3489

1708LM

1710LM

DESCRIPTION PART NUMBER

1 Multi-function door

041A7185-2

control panel

2 1 Button remote control 891AC

3 3V2032 Lithium battery 10A20

4 Remote control visor clip 29B137

5 Emergency release rope

41A2828

& handle assembly

6 2-Conductor bell wire,

41B4494-1

white & white/red

7 Door bracket w/clevis pin

41A5047

& fastener

8 Header bracket w/clevis

41A4353

pin & fastener

9 Safety sensor kit

41A5034

(receiving and sending eyes) with 3’ (.9 m)

2-conductor bell wire

10 Straight door arm

section

178B34

11 Curved door arm section 178B35

12 Safety reversing sensor

41A5266-1

brackets (2)

Not Shown

Installation hardware bag

41A2770-6 (includes hardware listed on page 2)

Repair Parts

Garage Door Opener Parts

Contact Information

Address repair parts order to:

The Chamberlain Group, Inc. 6050 S. Country Club Rd. Tucson, AZ 85706

Before calling, please have the model number of the garage door opener. If you are calling about a Troubleshooting issue, it is recommended that you have access to your garage door opener while calling. If you are ordering a repair part please have the following information: part number, part name, and model number.

For installation and service information call:

1-800-528-9131

Or visit us online at:

www.liftmaster.com

Description Part Number

1 Sprocket Cover with screws 31D380

2 Gear and Sprocket 41C4220A

3 Drive and Worm Gear 41A2817

4 Front End Panel with all labels 143D100

5 Light Socket 041C0279

6 Light Lens 108D36

7 Capacitor 30B532

8 Capacitor Bracket 12A373

9 Universal Motor with Travel Module 041D7440

10 Travel Module 041D7742-7

11 Cover 041D8144

12 Logic Board 045ACT

13 Logic Board End Panel 041D0240

Chamberlain AccessMaster M885, AccessMaster M8856 Installation Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

CONTENTS

Preparation

Carton Inventory

Assembly

Installation

Install the Door Control

Power

Adjustments

Operation

Features

Door Control

Control Panel Setup

Remote Control

To Open the Door Manually

Maintenance

Troubleshooting

Accessories

Warranty

Repair Parts