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Chamberlain 1200 Garage Door Opener User Manual

1. One Piece Door with Track Slack in Chain Tension is Normal When re Door is Closed Access Door O Safety Reversing Sensor Floor must be level Safety across width of door Reversing Sensor Closed Position Chain Pulley Chain Trolley Header Curved Bracket Door Arm T rail 00000000000 Manual Release Rope 8 Handle Bracket Straight Door Arm You may find it helpful to refer back to this page as you proceed with the installation of your opener Opener Carton Inventory Your garage door opener is packaged in two cartons which contain all parts illustrated below If anything is missing carefully check the packing material Parts may be stuck in the foam Hardware for installation is shown on page 7 Models 1260 266 amp All Models except Models 1260 1260 266 Models 1256 1255 1255 266 1255 266 2 1256 amp 1246 1260 166 1250 amp 1250 266 1255 166 1246 1245 1245 266 amp 1240 All Other Models 1 es Sy Sprocket Cover Remote Control y Transmitter Lighted Door Control Button with 12V battery Styrofoam Multi Function Door w 6ABx1 1 2 screws Control Panel Models 1260 1260 266 Models 1260 266 1260 166 1255 266 1260 166 1250 amp 1250 266 1255 166 1250 266 amp 1245 266 only Remote Control Transmitter Visor Clip Keyless Entry Light Lens 2 Models 1256 amp 1246 only One Piece Models 1256 1255 1255 266
2. a Extension Spring OR Torsion Spring Access Door O Safety Reversing z Sensor PEPP ER eee TT Floor must be level across width of door Safety Reversing Sensor t adet Closed Position Bracket Chain Pulley ez Based on your particular requirements there are several installation steps which might call for materials and or hardware not included in the carton oe Chain e Step 1 page 12 Look at the wall or ceiling above the garage door The header bracket must be securely fastened to structural supports e Step 5 page 17 Do you have a finished ceiling in your garage If so a support bracket and additional fastening hardware may be required e Safety reversing sensor page 21 Depending upon garage construction wood blocks may need to be fastened to mounting locations before sensors are installed e Step 10 page 22 Alternate floor mounting of the safety reversing sensor will require hardware not provided Step 11 page 24 Do you have a steel aluminum fiberglass or glass panel door If so horizontal and vertical reinforcement is required e Look at the garage door where it meets the floor It must close on the floor all the way across Other wise the safety reverse system may not work properly See page 30 Floor or door should be repaired If your door is
3. Invisible Light Beam Protection Area Figure 1 Facing the door from inside the garage Be sure power to the opener is disconnected The brackets must be securely fastened to a solid The sending eye transmits an invisible light beam to surface such as the studs on either side of the door either side of the garage door as long as the sun masonry construction never shines directly into the receiving eye lens The invisible light beam path must be unobstructed Look at the label on the connector end of each case No part of the garage door or door tracks springs to identify the sensors hinges rollers or other hardware can interrupt the beam while the door is closing If it does use a piece of wood to build out each sensor mounting location to the minimum depth required for light beam clearance The brackets must be connected and fastened so that the sending and receiving eyes face each other as shown in Figure 1 If an obstruction breaks the light beam while the garage door is closing the door will stop and reverse to full open position and the opener lights will flash for 5 seconds 21 Installation Step 10 Install the Safety Reversing Sensor Receiving and Sending Eyes Figures 2 3 and 4 show recommended assembly of bracket s and C wrap based on the wall installation of the sensors on each side of the garage door as shown on page 17 or on the garage door tracks themse
4. The garage door spring may be broken Have it replaced Repeated operation may have tripped the overload protector in the motor Wait 15 minutes Try again Is the door control push bar lit If not Remove the bell wire from the opener terminal screws Short the red and white terminals by touching both terminals at the same time with a piece of wire If the opener runs check for a faulty wire connection at the door control a short under the staples or a broken wire Are the wiring connections correct Review Step 6 page 18 If your model has the Lock feature turn it off Is the wall push button flashing Your opener needs to re learn a remote control code Refer to instructions on the opener panel Does the battery test light glow when the remote control push button is pressed If not replace the battery Program the receiver to match the remote control code Repeat the receiver programming procedure with all remote controls Check the battery test light If the light is dim replace the battery Change the location of the remote control in your car Check to be sure the antenna on the side or back panel of the opener extends fully downward Some installations may have shorter range due to a metal door foil backed insulation or metal garage siding operational noise is a problem because of proximity of the opener to the living uarters the Vibration Isolator Kit 41A3263 can be installed This kit was de
5. 30 Adjustment Step 1 A WARNING Adjust the UP and DOWN Limits Improper adjustment of the travel limits will interfere with the proper operation of the safety reverse system The door might not reverse when required and could seriously injure or kill someone under it Test the safety reverse system following all adjustments to the travel limits See page 30 Limit adjustment settings regulate the points at which the door will stop when moving up or down The door will stop in the up direction if anything interferes with door travel The door will reverse in the down direction if anything interferes with the door travel including binding or unbalanced doors To operate the opener press the Door Control button push bar Run the opener through a complete travel cycle e Does the door open and close completely teesid e Does the door stay closed and not reverse Panel Adjustment unintentionally when fully closed aces If your door passes both of these tests no limit adjustments are necessary INCREASE TRAVEL DOWN UP Adjustment Label Adjustment procedures are outlined below Run the opener through a complete travel cycle after each adjustment Repeated operation of the opener during adjustment procedures may cause the motor to overheat and shut off Simply wait 15 minutes and try again Read the procedures carefully before continuing on to Adjustment Step 2 Use a screwdriver to make limit
6. 17 The opener could fall and injure someone if it is not properly secured Fasten the opener securely to structural supports of the garage Structural Supports 4 Lag Screws 5 16 x1 7 8 Measure Distance 5 16 18x7 8 Screw 5 16 Lock Washer 5 16 18 Nut i Hidden Figure 2 S pan p Bracket are azar Not Supplied __ 7 a ae 7 e 277 FINISHED CEILING a Lag Screws 5 16 x1 7 8 __ Not Supplied 5 16 18x7 8 Screw 5 16 Lock Washer 5 16 18 Nut Ss 1127 Installation Step 6 Install the Door Control e Strip 1 4 of insulation from one end of the bell wire connect the wire to the two screw terminals on the back of the door control by color white to 2 and white red to 1 e Locate the door control within sight of the door at a minimum height of 5 feet where small children cannot reach and away from all moving parts of the door and door hardware Fasten the Lighted Door Control Button securely with 6ABx1 1 2 screws The Multi Function Door Control Panel uses 6ABx1 screws If installing into drywall drill 5 32 holes and use the anchors provided e Run the bell wire up the wall and across the ceiling to the opener Use insulated staples to secure the wire in several places Be careful not to pierce the wire with a staple thereby resulting in a short Receiver terminals screws and the antenna are located on the back panel of the opener Position the ant
7. Adjusting travel IMiS uaes nasain eiiie dd td uae add cue bee 28 Applying excessive force on the COOP eee ceeceeeeenneeeeeeeecaeeeeeeeaaeeeeeeeeaaeeeeeeeaaaeeeeeseaaeeeeeeeaaaeeeeseeaeeeeeseenaeeeeeneaaas 29 Bucklingor Uneven floor cii Rane aside lass a Dates ae Ali a lead 4 5 Safety WarningS 0 ccccccceeceeeeeeeseeeeeeeeeestaeeeteneees 2 3 9 11 12 16 18 19 20 21 24 28 29 30 31 32 33 User Instruction Label for garage wall 0 0 0 0 ccc eeeeeee eee eeee ee etree aeee eee eeaeeaeeeseaaeeeeeeseeeeeeeeeseeeaeeeeeeenaees 11 18 LIFT MASTER SERVICE IS ON CALL OUR LARGE SERVICE ORGANIZATION SPANS AMERICA INSTALLATION AND SERVICE INFORMATION IS AS NEAR AS YOUR TELEPHONE SIX DAYS A WEEK SIMPLY DIAL OUR TOLL FREE NUMBER 1 800 528 9131 HOURS Mountain Std Time 6 00 A M TO 6 00 P M Monday through Friday 7 00 A M TO 3 00 P M Saturday Closed Sunday HOW TO ORDER REPAIR PARTS Selling prices will be furnished on request or parts will be shipped at prevailing prices and you will be billed accordingly WHEN ORDERING REPAIR PARTS ALWAYS GIVE THE FOLLOWING INFORMATION PART NUMBER e PART NAME e MODEL NUMBER ADDRESS ORDERS TO THE CHAMBERLAIN GROUP INC Parts and Service Department 2301 N Forbes Boulevard Suite 104 Tucson Arizona 85745 For professional installation parts and service contact your local LIFT MASTER CHAMBERLAIN dealer Look for him in the Yellow Pages or call our
8. shown As you turn the nut keep the chain from twisting e When the chain is approximately 1 2 above the base of the T rail at its midpoint re tighten the Trolley inner nut to secure the adjustment Sprocket noise can result if chain is either too loose or too tight Chain When installation is complete you may notice some chain droop with the door closed This is normal If the chain returns to the position shown when the door is open do not re adjust the chain Base of T rail NOTE During future maintenance ALWAYS pull the manual release handle to disconnect trolley before adjusting chain You have now finished assembling your garage door opener Please read the following warnings before proceeding to the installation section IMPORTANT INSTALLATION INSTRUCTIONS To reduce the risk of severe injury or death to persons READ AND FOLLOW ALL INSTALLATION INSTRUCTIONS Install only on a properly balanced and lubricated garage door An improperly balanced door could result in severe injury or death Repairs to cables spring assemblies and other hardware must be made by a professional service person before installing opener Disable all locks and remove all ropes connected to the garage door before installing the opener Ropes connected to a garage door can cause entanglement and death If possible install door opener 7
9. 4 Ring Fastener 15 Installation Step 4 A CAUTION Position the Opener Follow instructions which apply to your door type To prevent damage to steel aluminum as illustrated fiberglass or glass panel doors do not rest the opener on the door without using a 2x4 SECTIONAL Door amp ONE PIECE Door with Track A 2x4 laid flat is convenient for setting an ideal door to T rail distance e Raise the opener onto a stepladder You will need help at this point if the ladder is not tall enough ee gt lt e Open the door all the way and place a 2x4 laid flat y y 1 gt on the top section beneath the T rail A T aaa If the top panel hits the trolley when you raise 1 A the door pull down on the trolley release arm to disconnect inner and outer sections The trolley can remain disconnected until Step 12 is completed T rail 2x4 Stepladder DY Trolley Release Arm Trolley ONE PIECE Door without Track Header Bracket e With the door fully open and parallel to the floor Top oF Openet measure the distance from the floor to the top of the door oo EE e Using a stepladder as a support raise the opener to the same distance as the door from the floor it will be at a slight angle as shown e The top of the door should
10. Lighted Door Control Button Lighted Push Bar Door Control Panel Press to open or close the door Press again to reverse the door during the closing cycle or to stop the door while it s opening Light Feature Door Control Panel Press the Light button If the opener light is off it will turn on If the opener light is on even in the 4 1 2 minute automatic cycle it will turn off But if you use the Light button to turn the light s on and then activate the opener the light s will turn off after 4 1 2 minutes The Light button will not control the opener lights when the door is in motion Lock Feature Door Control Panel The Lock feature is designed to prevent operation of the door from remote controls However the door will open and close from the Door Control push bar the Outside Keylock and the Keyless Entry Accessories To Activate Press and hold the Lock button for 2 seconds The push bar light will flash as long as the Lock feature is on To turn off Press and hold the Lock button again for 2 seconds The push bar light will stop flashing Normal operation will resume The Lock feature will also turn off whenever the Smart button on the opener end panel is activated Receiver and Remote Control Programming NOTICE To comply with FCC rules adjustment or modification of this receiver and or transmitter are prohibited except for changing the code setting or replacing the transmitter batter
11. Securely tighten the sending eye wing nut Wing Nut 1 4 20x1 1 2 Sensor Hex Bolt Trouble Shooting 1 If the sending eye indicator light does not glow steadily after installation check for e Electric power to the opener A short in the white or white black wires These can occur under staples or at screw terminal connections e Incorrect wiring between sensors and opener e An open wire wire break 2 If the sending eye indicator light glows steadily but the receiving eye indicator light doesn t e Check alignment e Check for an open wire to the receiving eye Hardware Shown Actual Size 1 4 20x1 1 2 Hex Bolt Wing Nut MERMA AAA Installation Step 11 Aa CAUTION Fasten Door Bracket Follow instructions which apply to your door type To prevent damage to steel aluminum as illustrated below or on page 25 fiberglass or glass panel doors always reinforce the inside of the door both vertically and horizontally with angle iron A horizontal brace should be long enough to be secured to 2 vertical supports A vertical brace should cover the height of the top panel The illustration shows one piece of angle iron as the horizontal brace For the vertical brace 2 pieces of angle iron are used to create a U shaped support The best solution is to check with your garage door manufacturer for an opener installation door reinforcement kit SECTIONAL Door Installation Pro
12. a Year Oil door rollers bearings and hinges The opener does not require additional lubrication Do not grease the door tracks Operation of Your Opener Activate the opener with any of the following devices 1 The Remote Control Transmitter Hold push button down until the door starts to move 2 The Door Control Hold button push bar down until the door starts to move 3 The Outside Keylock or Keyless Entry See Accessories When the Opener is Activated 1 If open the door will close If closed the door will open 2 If closing the door will reverse 3 If opening the door will stop allowing space for entry and exit of pets and for fresh air 4 If the door has been stopped in a partially open position it will close 5 If obstructed while closing the door will reverse If obstructed while opening the door will stop 7 The garage door will reverse in the closing cycle when the invisible beam is broken If fully open the door will not close when the beam is broken The sensor has no effect in the opening cycle If the sensor is not installed or is not aligned correctly the door won t close from any remote control transmitter You can close the door with the Door Control the Outside Keylock or the Keyless Entry however if you press and hold the button push bar until down travel is complete If you release the button push bar too soon the door will reverse The opener lights will blink
13. adjustments How and When to Adjust the Limits If the door does not open completely If the opener reverses in fully closed position but opens at least five feet Decrease down travel Turn the DOWN limit Increase up travel Turn the UP limit adjustment adjustment screw clockwise One turn equals 2 screw clockwise One turn equals 2 of travel of travel If door does not open at least 5 feet Adjust the UP open force as explained in If the door reverses when closing and Adjustment Step 2 there is no visible interference to travel cycle If the door does not close completely If the opener lights are flashing the Safety Reversing Increase down travel Turn the DOWN limit Sensor is obstructed Remove the obstruction adjustment screw counterclockwise One turn Test the door for binding Pull the manual release equals 2 of travel handle Manually open and close the door If the door If door still won t close completely try lengthening is binding call for garage door service If the door is the door arm See page 26 not binding or unbalanced adjust the DOWN close If you have adjusted the door arm to the maximum id LL Stepa length and the door still will not close completely lower the header bracket See Installation Step 1 pages 12 and 13 28 Adjustment Step 2 Adjust the Force Force adjustment controls are located on the back panel of the opener Force adjustment settings regulate the amount of power required to open a
14. also apply to doors without tracks Header Wall e Close the door and mark the inside vertical centerline of your garage door Extend the line onto the header wall above door If headroom clearance is minimal you can install the header bracket on the ceiling See page 14 If you need to install the header bracket on a 2x4 on wall or ceiling use lag screws not supplied to securely fasten the 2x4 to structural supports as shown Header Wall Highest Point of Travel Distance One piece door without track jamb hardware e Open your door to the highest point of travel as shown Measure the distance from the top of the door to the floor Subtract the actual height of the door Add 8 to the remainder See Example e Close the door and draw an intersecting horizontal line on the header wall at the determined height If the total number of inches exceeds the height available in your garage use the maximum height possible or refer to page 14 for ceiling installation Proceed to Step 2 page 14 Unfinished Vertical Centerline Structural Supports gt OPTIONAL CEILING MOUNT FOR HEADER BRACKET H Vertical i Centerline of Garage Door Header Highest Point _ Wall of Travel Distance One piece door without track pivot hardware EXAMPLE Distance from top of door at highest point of travel t
15. be level with the top of the opener Do not position the opener more than 2 above this point Stepladder 16 Installation Step 5 Hang the Opener Two representative installations are shown Yours may be different Hanging brackets should be angled Figure 1 to provide rigid support On finished ceilings Figure 2 attach a sturdy metal bracket to structural supports before installing the opener The bracket and fastening hardware are not supplied e Measure the distance from each side of the opener to the structural support e Cut both pieces of the hanging bracket to required lengths e Drill 3 16 pilot holes in the structural supports Attach one end of each bracket to a support with 5 16 x1 7 8 lag screws e Fasten the opener to the hanging brackets with 5 16 18x7 8 hex screws lock washers and nuts e Check to make sure the T rail is centered over the door or in line with the header bracket if the bracket is not centered above the door e Remove the 2x4 Operate the door manually If the door hits the rail raise the header bracket Grease the top and underside of the rail surface where the trolley slides A tube of grease is supplied Hardware Shown Actual Size Lag Screw 5 16 18x1 7 8 mw Hex Screw Lock Washer 5 16 5 16 18x7 8 Nut 5 16 18 5 16 18x7 8 Screw 5 16 Lock Washer 5 16 18 Nut
16. for 5 seconds when the safety reversing sensor causes the door to reverse Opener Lights will turn on under the following conditions When the opener is initially plugged in when the power is interrupted when the opener is activated They will turn off automatically after 4 1 2 minutes or provide constant light when the Light feature is activated Bulb size is 75 watts maximum o Weak or broken springs could allow an open door to fall either rapidly or unexpectedly resulting in serious injury death or property damage lf possible use the manual release rope and handle only when the door is fully closed To open the door manually Trolley The door should be UL Release Arm fully closed if possible Pull down on the manual release handle Trolley gt and lift the door manually To reconnect the door to the opener press the Door Control button push bar Manual Release Handle Pull Down Manual disconnect position The lockout feature prevents the trolley from reconnecting auto matically Pull the manual release handle down and back toward the opener The door Trolley can then be raised and lowered manually as often as necessary To disengage the Lockout Feature pull the manual handle straight down The trolley will reconnect on the next UP or DOWN operation Manual Release Handle Pull Down 8 Back Towards Opener Lockout position Operation of the Door Controls
17. free from any obstruction Keep the door in sight until it is completely closed NO ONE SHOULD CROSS THE PATH OF THE MOVING DOOR Check safety reversal system monthly See page 30 The garage door MUST reverse on contact with a one inch object or a 2x4 board laid flat placed on the floor If an adjustment is made to either the force or the limit of travel both adjustments may be needed and the safety reversal system must be checked Failure to properly adjust the opener may result in severe injury or death If possible use the manual release only when the door is in a closed position Caution should be taken whenever the disconnect cord is actuated with the door open Weak or broken springs may cause the door to fall rapidly causing injury or death to persons KEEP GARAGE DOORS PROPERLY BALANCED See page 3 An improperly balanced door may not reverse when required and could result in severe injury or death Repairs to cables spring assemblies and other hardware must be made by a professional garage door person 7 Disconnect the electric power from the garage door opener before making any repairs or removing the covers s SAVE THESE INSTRUCTIONS Care of Your Opener Limit and force adjustment controls Limit Controls Force Controls 3 INCREASE TRAVEL DOWN UP Adjustment Label Located on the left side panel Adjustment Label Located on the back panel Weather conditions may cause some minor changes in doo
18. more than 7 feet high see longer rails available on page 38 ma Header Wall Garage Door Garage Y E Door Spring Straight Door Arm Curved Door Bracket Door Manual Release Rope amp Handle e The opener can be installed within 2 feet to the left or right of the door center if there is a torsion spring or center bearing plate in the way of the header bracket or door bracket area If your door has extension springs the opener must be installed in the center of the door See pages 12 and 24 e Do you have an access door in addition to the garage door If not Model 1702 Outside Quick Release is required See page 38 You may find it helpful to refer back to this page as you proceed with the installation of your opener One Piece Door Installation Before you begin survey your garage area to see whether any of the conditions below apply to your installation Slack in chain tension is normal when garage door is closed Header FINISHED CEILING Support bracket 8 fastening hardware is required See page 17 ot ss Le gt ARA ERE Safety Reversing Sensor Safety Gap between floor and bottom of Reversing door must not exceed 1 4 Sensor Based on your particular requirements there are several installation steps which might call for materials and or hardware not included in the carton e Step 1 pa
19. rail use only those screws mounted 1250 1250 266 1245 1245 266 and 1240 in top of the opener Any other screws will cause serious damage to the opener USE ONLY THIS TYPE AND SIZE SCREW See page 9 for Models 1256 and 1246 e Remove the two washered screws mounted in top of opener e Align T rail at an angle with opener so one hole in T rail and opener line up e Thread one of the washered screws part way in Use only these screws Use of any other screws will cause serious damage to door opener e Align T rail and styrofoam over opener sprocket Cut tape from T rail chain and styrofoam e REMOVE STYROFOAM Washered Screw 5 16 18x1 2 Styrofoam Assembly Step 2 Attach Chain to Sprocket and Install Sprocket Cover Serious injury can result if fingers become For Models 1260 1260 266 1255 1255 266 entangled in moving opener sprocket Attach 1250 1250 266 1245 1245 266 and 1240 sprocket cover securely Never operate opener 4 i 5 while your hand is near the opener sprocket e Position chain over the opener sprocket If necessary loosen the outer nut on the trolley to obtain more chain slack e Insert the second washered screw CAUTION Use only the screw previously removed from opener e Tighten both screws securely through the T rail into the opener as shown Install the sprocket cover e Insert the back tab in the opener slot Squeeze the cover sl
20. to local code Remove the opener cover screws and set the cover aside Ground Tab Remove the attached 3 prong cord Green e Connect the black line wire to the screw on the ane brass terminal the white neutral wire to the screw on the silver terminal and the ground wire to the green ground screw The opener must be grounded Reinstall the cover Ground Wire White Wire To avoid installation difficulties do not run the opener at this time 20 Information you ll need before you begin the installation of the safety reversing sensor The safety reversing sensor must be connected and aligned correctly before the garage door A WARNING opener will move in the down direction This is a required safety device and cannot be disabled y i Without a properly working safety reversing sensor persons particularly children could Installation procedures are the same for sectional be injured or killed by a closing garage door and one piece doors Read and follow all instructions To protect small children install the safety reversing sensor so that the beam will be no higher than 4 6 above the garage floor Disconnect power to the garage door opener before installing the safety reversing sensor Right Side of Garage Left Side of Garage ID ID dp Sensor Unit Sensor Unit
21. Holes Drill 3 8 Holes 1 4 20x1 2 Carriage Bolts Figure 4 Garage WALL Installation 1 4x1 1 2 1 4 20x1 2 Carriage Bolts Lag Screws with square shoulder Inside _ R Garage a Wall y i 1 0 0 a ae Mounting Bracket with Slot Mounting Bracket ith Hol 1 4 20 with Square Holes Lock Nuts Figures 5 and 6 are variations which may fit your installation requirements better Make sure the wraps and brackets are aligned so the sensors will face each other across the garage door Figure 6 Alternate Floor Mount Inside Garage Indicator Wall Light Sensor Mounting Bracket with Square Holes Mounting Bracket with Slot Attach with concrete anchors not provided Hardware Shown Actual Size 10 32x3 8 Screw Lock Nut Lag Screw y gt DOD ORH ORD 10x32 1 4x1 1 2 1 4 20x1 2 Carriage Bolts 1 4 20 Staples Lock Nut Insert the wire connector into each sensor and push until you hear a click Figure 7 The white tab on the sensor should be flush with the back of the connector Finished Ceiling Bell Wire A SL e a a De 0 A A DY meek N pa LDN z Y gt QS o 2 SA ve Invisible Light Beam Protection Area Sensor e Run paired wires from both sensors to t
22. Service number for a list of dealers in your area SERVICE INFORMATION TOLL FREE NUMBER 1 800 528 9131 ER eee eee ee ede ed eee ede ed eee eed e eel LIFT MASTER GARAGE DOOR OPENER ONE YEAR LIMITED WARRANTY Chamberlain Lift Master warrants to the first retail purchaser of this product that it will be free from any defect in materials and or workmanship for a period of twelve full months from the date of purchase The product must be used in complete accordance with Lift Master s instructions for installation operation and care LIMITED WARRANTY ON MOTOR Model 1260 1260 266 The motor is fully warranted for the lifetime of the product to the first time purchaser Models 1256 1255 1255 266 amp 1255 2K The motor is warranted to be free from any defect in materials and or workmanship for a period of 48 full months 4 years from the date of purchase Model 1250 The motor is warranted to be free from any defect in materials and or workmanship for a period of 36 full months 3 years from the date of purchase Models 1246 1245 The motor is warranted to be free from any defect in materials and or workmanship for a period of 24 full months 2 years from the date of purchase Models 1240 The motor is warranted to be free from any defect in materials and or workmanship for a period of 12 full months 1 year from the date of purchase This warranty does not cover non defect damage damage caused by unreasonable use including abuse f
23. T NO NO DESCRIPTION 14995 Master link kit 4144813 Chain pulley bracket 41A3489 Complete trolley assembly 183B99 One piece T rail 41D3484 Full chain assembly 83A4 Rail grease KEY PART NO NO DESCRIPTION 41A4202A Multi function door control panel 41A4166 Lighted door control button 10A20 3V2032 Lithium battery 41A3984 7 Transmitter case cover amp screw only 29B137 Transmitter visor clip 41A2828 Manual rope amp handle assembly 217A238 2 Conductor bell wire white amp white red 41A5047 Door bracket w clevis pin amp fastener 41A4353 Header bracket w clevis pin amp fastener 41A4373A Safety sensor kit receiving and sending eyes with 3 2 conductor bell wire attached 178B34 Straight door arm section 178B35 Curved door arm section 12B483 C Wrap bracket 12B484 Square holed mounting bracket 12B485 Slotted mounting bracket NOT SHOWN 41A2770 2 Installation hardware bag includes hardware illustrated on page 7 41A4116 Safety sensor hardware 114A1915 Owner s manual SeOMANounnono Sos re n eno Repair Parts Opener Assembly Parts Down LIMIT SWITCH ASSY Contact Brown Wire Drive Gear Center Limit Up Contact KEY PART NO NO 1 2 2A 8A 9 41A4208 31D380 Yellow Contact Wire DESCRIPTION Chain spreader w screws 1256 1246 Sprocket cover all other models 41C4206A Gear and sprocket assy 1256 1246 41C4220A Gear and sprocket assy All other mo
24. T rail 1255 166 1246 1245 amp 1245 266 Chain Spreader with Screws and Washers Light Lens 1 A als Pulley Bracket Door Bracket Plate 2 Conductor Bell Wire Header Bracket White amp White Red C Wrap 2 Safety Reversing Sensor Mounting Bracket With Square Holes 2 Curved Door Arm Section Safety Reversing Sensor 2 1 Sending Eye 1 Receiving Eye Safety Reversing Sensor Safety Labels Mounting Bracket LLD Gon r With Slot 2 i u 1 Straight Door Arm Section ess 8 FS F lt gesesess 2 Conductor Bell Wire with Connector White amp White Black 2 rolls Group all hardware found in all packages contained in the opener carton into the two kits illustrated below Installation Hardware Kit 41A2770 2 O Hex een 5 16 18x7 8 Nut 5 16 18 6 Lock Washer 5 16 M ES Lag Screw eae 5 16 18 x1 7 8 4 6ABx1 Handle Carriage Bolt Insulated Staples 10 5 16 18x2 1 2 2 Clevis Pin Clevis Pin 5 16 x2 3 4 1 5 16 x1 2 Safety Reversing Sensor Installation Hardware Kit 41A4116 Lag Screw 1 4x1 1 2 4 Carriage Bolts Lock Nut 1 4 20x1 2 4 1 4 20 4 Hex Screw Screw Lock Nut 1 4 20x1 1 2 2 10 32 x3 8 4 10x32 4 Rail Grease Ring Fastener 3 qu S Dry Wall Anchors 2 Rope Wing Nut 2 Insulated Staples 20 Assembly Step 1 A CAUTION Attach the T rail to the Opener For Models 1260 1260 266 1255 1255 266 To fasten
25. TICE reads right side up as shown Secure with an overhand knot The knot should be at least 1 from the end of the rope to prevent slipping e Thread the other end of the rope through the hole in the release arm of the outer trolley e Adjust rope length so the handle is 6 feet above the floor Secure with an overhand knot If it is necessary to cut the rope heat seal the cut end with a match or lighter to prevent unraveling Installation Step 9 ZA WARNING Electrical Requirements To prevent electrocution or fire installation and wiring must be in compliance with local To reduce the risk of electric shock your garage electrical and building codes door opener has a grounding type plug with a third grounding pin This plug will only fit into a grounding type outlet If the plug doesn t fit into the outlet you have contact a qualified electrician to install the proper outlet To avoid installation difficulties do not run the opener at this time Right Wrong e Do not change the plug in any way e Do not use a 2 wire adapter e Do not use an extension cord If permanent wiring is required by your local code refer to the following procedure To prevent electrocution remove power from the garage door opener and from the circuit you plan to use for the permanent connection Permanent wiring connection To make a permanent connection through the 7 8 diameter hole in the top of the opener according
26. ailure to provide reasonable and necessary maintenance or any alterations to the product labor charges for dismantling or reinstalling of a repaired or replaced unit or replacement batteries If during the warranty period the product appears as though it may be defective CALL OUR TOLL FREE SERVICE NUMBER BEFORE DISMANTLING IT 1 800 528 9131 If the product is then alleged to be defective please send it pre paid and insured to our Service Center to obtain warranty repair You will be advised of shipping instructions when you call the number listed above Please be sure to include a brief description of the problem and a dated proof of purchase receipt with any product that is returned for warranty repair Product under warranty which upon receipt by Chamberlain Lift Master is determined to be defective in materials and or workmanship will be repaired or replaced Chamberlain s option at no cost to you and returned pre paid Defective parts will be repaired or replaced with new or factory rebuild parts at Chamberlain s option THE DURATION OF IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IS LIMITED TO THE DURATION OF THIS WRITTEN WARRANTY SOME STATES MAY NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU All claims for consequential or incidental damages for breach of this warranty are excluded and in no event shall manufacturer s liability for breach of wa
27. cedure Header Bracket Horizontal and vertical reinforcement is needed for lightweight garage doors fiberglass aluminum steel doors with glass panel etc Figure 1 Vertical Reinforcement He SSS Bracket ae o Lock Washer Location AD Carriage Bolt Ps ae 5 16 18x2 1 2 8 Q J A oO a l O Vertical i Door ESD O Guideline Bracket y Al ra Fs 5 S Vertical Guideline Inside Edge of Door or Reinforcement Board e Center the door bracket on the previously marked vertical guideline used for the header bracket installation Position the bracket on the face of the door within the following limits A The top edge of the bracket 2 4 below the top edge of the door Hardware Shown Actual Size B The top edge of the bracket directly below any structural support across the top of the door e Mark and drill 5 16 left and right fastening holes Secure the bracket as shown in Figure 1 if there is vertical reinforcement Nut 5 16 18 Lock Washer 5 16 If your installation doesn t require vertical reinforce ment but does need top and bottom fastening holes for the door bracket position the door plate over the door bracket as shown in Figure 2 Fasten securely Carriage Bolt with ha
28. d panel w all labels 1260 1260 266 1260 166 1250 1250 266 End panel w all labels All other models NOT SHOWN Opener assy hardware kit includes screws not designated by a number in illustration Model 1702 Model 1708LM S Model 1710LM Model 722LM Model 742LM Accessories Available For Your Opener Outside Quick Release Required for a garage with NO access door Outside Keylock Opens the garage door automatically from outside when remote control is not handy 8 foot Complete Rail To allow an 8 foot door to open fully 10 foot Complete Rail To allow a 10 foot door to open fully Keyless Entry Enables homeowner to operate garage door opener from outside by entering code on specially designed keyboard Wire In Light Control Controls interior or exterior lights Wires into the electrical box like a dimmer switch Plug In Light Control Controls interior lights Plugs into a wall receptacle Model 81LM Smart Remote Control Includes visor clip Single Function Standard Size Remote Control Includes visor clip 2 Channel Remote Control Includes visor clip 3 Channel Remote Control Includes visor clip 4 Channel Remote Control Includes visor clip Security Remote Control Operate garage door opener by entering 2 3 4 or 5 digit code from backlit keyboard Access Door Outside Key Release Accessory oooooccococicc
29. dels 41A2817 41B4245 143D152 143D100 175B88 108D34 108D36 30B363 30B387 30B366 12A373 41A3150 Complete with Spring washer Thrust washer Retaining ring Bearing plate Roll pins 2 Drive gear and worm gear Helical gear w retainer and grease Drive worm gear kit w grease Roll pins 2 Line cord End panel w all labels 1260 1260 266 1260 166 1250 1250 266 End panel w all labels All other models Light socket Lens 1260 1260 266 1260 166 1250 1250 266 Lens All other models except 1240 Capacitor 1 2HP Capacitor 1 3HP Capacitor 1 4HP Capacitor bracket Terminal block w screws KEY PART NO NO 12 14 15 16 17 18 19 20 41D3058 41A3583 2 41A3583 1 41A3583 4142818 41D3452 41C4398A 4104246 41A2826 41A2822A DESCRIPTION Universal replacement motor amp bracket assy Complete with Motor worm bracket bearing assembly RPM sensor Cover 1260 1260 266 1260 166 1256 1255 1255 166 Cover All other models except 1240 Cover 1240 Helical gear amp retainer w grease Limit switch asembly RPM sensor assembly Wire harness assy w plug Shaft bearing kit Interrupter cup assy 41A4252 6B Receiver logic board assy 1260 1260 266 1260 166 1250 1250 266 Complete with Logic board End panel w all labels Light socket 41A4252 7B Receiver logic board assy 41A3673 41A3712 41A2825 All other models En
30. disconnect the opener and call a professional garage door serviceman Do not increase the force to operate the opener The opener motor hums briefly then won t work The opener won t operate due to power failure 1 The garage door springs are broken See above 2 If the problem occurs on the first operation of the opener door may be locked Disable the door lock lf the chain was removed and reinstalled the motor may be out of phase Remove the chain cycle the motor to the down position Observe the drive sprocket When it turns in a clockwise direction and stops in the down position reinstall the chain Repeat the safety reverse test after the adjustment is complete 1 Use the manual release to disconnect the trolley The door can be opened and closed manually When the power is restored press the door control push bar and trolley will automatically reconnect unless trolley is in lockout position See page 32 2 The Outside Quick Release accessory for use on garages with no service door disconnects the trolley from outside the garage in case of power failure The chain droops or sags It is normal for the chain to droop slightly in the closed door position Use the manual release to disconnect the trolley If the chain returns to normal height when the trolley is disengaged and the door reverses on a one inch board no adjustments are needed see page 11 35 Repair Parts Rail Assembly Parts KEY PAR
31. ee The Chamberlain Group Inc Lift Master Bichon TM 845 Larch Avenue The Professional Line Elmhurst Illinois 60126 Complies with UL 325 Regulations effective January 1 1993 Garage Door Opener Owner s Manual Model Series 1200 For Residential Use Only Lift Master Lift Master The Professional Line The Professional Line Model 1260 1 2HP Model 1256 1 2HP Model 1260 166 1 2HP Model 1246 1 3HP Model 1260 266 1 2HP Model 1250 1 3HP Model 1250 266 1 3HP Lift Master Lift Master The Professional Line The Professional Line Model 1255 1 2HP Model 1240 1 4HP Model 1255 166 1 2HP Model 1255 266 1 2HP Model 1245 1 3HP Model 1245 266 1 3HP Owner s Manual m Please read this manual and the enclosed safety materials carefully m Fasten the manual near the garage door after installation m The door WILL NOT CLOSE unless the Protector System is connected and properly aligned m Periodic checks and adjustment of the opener are required to ensure safe operation m The model number label is located on the front panel of your opener CONTENTS A review of safety alert symbols You ll need tools Safety information regarding garage door locks and ropes Testing your garage door for sticking binding and balance Illustration of sectional door installation Illustration of one piece door installation Carton inventory Hardware inventory Assembly Section Pages 8 11 Fasten T rail to
32. ener carton in the path of the door e Press the remote control push button to close the door The door will not move more than an inch and the opener light s will flash The garage door opener will not close from a remote if the indicator light in either sensor is off alerting you to the fact that the sensor is misaligned or obstructed The garage door can be closed by pressing and holding the door control button push bar until down travel is completed Professional service is required if the opener closes the door when the safety reversing sensor is obstructed Adjustment Step 4 Test the Safety Reverse System Test e Place a one inch board or a 2x4 laid flat on the floor centered under the garage door e Operate the door in the down direction The door must reverse on striking the obstruction Adjustment If the door stops on the obstruction it is not traveling far enough in the down direction e Increase the DOWN limit by turning the DOWN limit adjustment screw counterclockwise 1 4 turn e Repeat the test On a sectional door make sure limit adjustments do not force the door arm beyond a straight up and down position See the illustration on page 26 When the door reverses on the one inch object or 2x4 laid flat remove the obstruction and run the opener through 3 or 4 complete travel cycles to test adjustment If the door will not reverse after repeated adjustment attempts call for professional ga
33. enna wire as shown e Then connect the bell wire to the opener terminal screws white to 2 and white red to 1 Remember to affix the User Safety Instruction label to the wall near the Door Control and the Maintenance Instruction label in a prominent location on the inside of the garage door Page 32 explains how to operate the opener using the Door Controls and the Lock and Light features available on the Multi Function Door Control Panel If the label adhesive will not adhere to your garage wall surface or becomes loose with time use tacks to secure the label alongside the control button Hardware Shown Actual Size 6ABx1 1 2 Screw Lighted Door Control Button Insulated Staples Children operating or playing with a garage door opener can injure themselves or others The garage door could close and cause serious injury or death Install the Door Control or any additional push buttons out of the reach of children and away from all moving parts of the door and door hardware but where the garage door is visible Do not allow children to operate the push button s or the remote control transmitter s A moving garage door could injure someone under it Activate the opener only when the door is properly adjusted you can see it clearly and there are no obstructions to door travel Do NOT connect the power and operate the opener at this time The trolley will travel to the full o
34. feet or more above floor with the manual release handle mounted 6 feet above the floor 5 Do not connect the opener to power source until instructed to do so 6 Locate the Door Control within sight of the door at a minimum height of 5 feet where small children cannot reach and away from all moving parts of the door Install the User Safety Instruction Label on the wall adjacent to the control button and the Maintenance Instruction Label in a prominent location on the inside of the garage door Upon completion of the installation the door must reverse when it comes in contact with a one inch high object or a 2x4 laid flat on the floor Do not wear watches rings or loose clothing while installing or servicing an opener Jewelry or loose clothing can be caught in the mechanism of the garage door or the opener 11 Installation Section Pages 12 27 Installation Step 1 A WARNING Determine Header Bracket Location Installation procedures vary according to garage lf the header bracket is not rigidly fastened to door types Follow the instructions which apply to a structural support on the header wall or your door ceiling the safety reverse system may not work properly see page 30 The door might not reverse when required and could cause serious injury or death SECTIONAL Doors and The garage door springs cables pulleys ONE PIECE Door With Track brackets and their hardware are under extreme tension Do not attempt
35. ge 12 Look at the wall or ceiling above the garage door The header bracket mustbe securely fastened to structural supports Step 5 page 17 Do you have a finished ceiling in your garage If so a support bracket and additional fastening hardware not supplied may be required e Safety reversing sensor page 21 Depending on garage construction wood blocks may need to be securely fastened to mounting locations before sensors are installed e Step 10 page 22 Alternate floor mounting of the safety reversing sensor will require hardware that is not provided e Step 11 page 25 Generally a one piece door does not require reinforcement If your door is lightweight you can refer to the information relating to sectional doors on page 24 e Step 11 page 25 Depending on your door s construction you might need additional mounting hardware for the door bracket e Do you have an access door in addition to the garage door If not Model 1702 Outside Quick Release is required See page 38 e The gap between the bottom of the garage door and the floor cannot exceed 1 4 Otherwise the safety reverse system may not work properly See page 30 The floor or the door should be repaired Access Door One Piece Door without Track Closed Position Chain Pulley Bracket Trolley Header Bracket Door Bracket Manual Straight Curved cae anal Door Door Garage Arm Arm Door
36. he opener Use insulated staples to secure the wire to wall and ceiling e Strip 1 4 of insulation from each set of wires Separate white and white black wires sufficiently to connect to the opener terminal screws white to 2 and white black to 3 e Plug in the opener Make sure the Lock Feature is off Green indicator lights in both the sending and receiving eyes will glow steadily if wiring connections and alignment are correct If the indicator light is offin the receiving eye and the invisible light beam path is not obstructed alignment is required e Loosen the receiving eye wing nut to allow slight rotation of unit Adjust sensor vertically and or horizontally until the green indicator light glows with a steady light e When indicator lights are glowing steadily in both units tighten the wing nut in the receiving eye unit Safety Sensor Wire Connector 23 Figure 7 4 Tab should be flush with back of connector Push connector in until you hear a click White Tab Connect Wire to Opener Terminals ae Sensor Connections Wall Control Connections dotted line OPENER TERMINAL SCREWS e Center each sensor unit in a C wrap with lenses pointing toward each other across the door e Secure sensors with the hardware shown Finger tighten the wing nut on the receiving eye to allow for final adjustment
37. ightly and insert the front tab in the slot on the mounting plate USE ONLY THIS TYPE AND SIZE SCREW Washered Screw 5 16 18x1 2 Opener gt Sprocket Sprocket Cover Top of Opener Front Tab Slot Mounting Plate Proceed to Assembly Step 3 page 11 Assembly Step 1 A CAUTION Attach the T rail to the Opener For Models 1256 and 1246 only To fasten rail use only those screws mounted in the top of the opener Any other screws will cause serious damage to the opener e Place the opener on packing material to protect St rofgani the cover e Remove the 2 5 16 18x1 2 washered screws mounted in the top of the opener T rail e Align T rail and styrofoam over opener sprocket USE ONLY THIS TYPE AND SIZE Washered Screws 16 18x1 2 Sprocket e Cut tape from T rail chain and styrofoam Remove styrofoam and pull the chain back away from mounting plate e Fasten the rail with the 2 washered screws previously removed Tighten securely Remember to use only these screws Any other screws will cause serious damage to the opener USE ONLY THIS TYPE AND SIZE SCREW Washered Screws 5 16 18x1 2 Mounting Plate Styrofoam Packaging Opener Chassis Assembly Step 2 7 4h WARNING Attach the Chain Spreader and Re install the Chain Serious injury can result if fingers become For Models 1256 and 1246 only entangled in moving
38. igure 1 Slide each lens into the guides Snap bottom tabs into lens slots e Reverse the procedure to remove the lenses Install the lens All other Models except 1240 e See Figure 2 e Locate and loosen approximately 1 8 the two screws near top of opener front panel Position lens against panel with slotted tabs directly below screws Slide lens up to seat tabs behind screws Snap bottom tabs of lens into panel slots Retighten top panel screws to secure lens Installation Step 8 Attach the Manual Release Rope and Handle Overhand Knot Trolley Trolley Release Arm Manual Overhand Release Handle Figure 1 Models 1250 1250 266 1260 1260 266 amp 1260 166 Only 75 Watt Max Light Bulb Figure 2 Panel Screw Lens Slot 75 Watt Max Light Bulb Lens Tab Do not use the red handle to pull the door open or closed The rope knot could become untied and you could fall Use the manual release only to disengage the trolley and if possible only when the door is closed Garage doors are heavy If the door is open when the handle is pulled the door could close inadvertently if it is not properly balanced Serious injury may result to persons under the door Make sure the doorway is clear of persons and obstructions before pulling handle when door is open Thread one end of the rope through the hole in the top of the red handle so NO
39. l on a two inch obstruction See page 30 If the door is hard to hold or doesn t reverse decrease the DOWN close force by turning the control counterclockwise Make 10 degree turn adjustments until the door reverses normally After each adjustment run the opener through a complete cycle Test the UP open force Grasp the door bottom when the door is about halfway through UP open travel The door should stop If the door is hard to hold or doesn t stop decrease UP open force by turning the control counterclockwise Make 10 degree turn adjustments until the door stops easily After each adjustment run the opener through a complete travel cycle If the door doesn t open at least 5 feet Increase UP Open force by turning the control clockwise Make 10 degree turn adjustments until door opens completely Re adjust the UP limit if necessary After each adjustment run the opener through a complete travel cycle If the door reverses during the down close cycle and the opener lights aren t flashing Increase DOWN close force by turning the control clockwise Make 10 degree turn adjustments until the door completes a close cycle After each adjustment run the opener through a complete travel cycle Do not increase the force beyond the minimum amount required to close the door Adjustment Step 3 Test The Safety Reversing Sensor e Press the remote control push button to open the door e Place the op
40. ling and operating the opener Identify the type and height of your door and any special conditions that exist and any additional materials that may be required by referring to the lists on page 4 or page 5 SECTIONAL DOOR ES Adjustable End Wrench To avoid damage to the garage door and opener disable locks before installing and operating the opener Use a wood screw or nail to hold locks in the open unlocked position Operation at other than 120V 60 Hz will cause opener malfunction and damage Screwdriver Before you begin complete the following test to make sure your door is balanced and is not sticking or binding e Lift the door about halfway as shown Release the door It should stay in place supported entirely by its springs e Raise and lower the door to see if there is any binding or sticking ONE PIECE DOOR y Sectional Door Installation Before you begin survey your garage area to see whether any of the conditions below apply to your installation FINISHED CEILING Support bracket amp fastening hardware is required Horizontal and vertical reinforcement See page 13 is needed for lightweight garage doors fiberglass steel aluminum door with glass panels etc Slack in chain tension is normal when garage door is closed See page 20 for details A pies 7 a k ELL
41. low the instructions which will work best for your particular requirements Fasten the Header Bracket to the Wall either set of bracket holes do not use the designated for ceiling mount Drill 3 16 pilot holes and fasten the bracket securely to a structural support with the hardware provided Wall Mounting Holes a The nail hole is for positioning mount the header bracket i Optional Wall Mounting Holes Hardware Shown Actual Size Lag Screw 5 16 18x1 7 8 Fasten the Header Bracket to the Ceiling GA Finished DER A Ceiling ay 7 on Pak aaa 2 gee Bee oa RS Vertical a ZETA A Center Line A ES o ae POR A Lag Screw 5 16 x18x1 7 8 N Header_ Wall _Garage_ Door Installation Step 3 Attach the T rail to the Header Bracket e Position the opener on the garage floor below the header bracket Use packing material as a protective base ari If the door spring is in the way you ll need help Header Have someone hold the opener securely on a aes temporary support to allow the T rail to clear the Chain spring Pulley e Position the chain pulley bracket against the header Bracket bracket Align the bracket holes and join with a clevis pin as shown Insert a ring fastener to secure Ring Fastener Header Bracket Clevis Pin 5 16 x2 3 4 Chain Pulley Bracket Temporary Support Hardware Shown Actual Size Clevis Pin 5 16 x2 3
42. lves For Garage Wall or Door Track Installation e Fasten the C wraps to the mounting brackets having square holes using the hardware shown in Figure 2 For Door Track Installation Only e Discard slotted bracket Drill 3 8 holes in each track and fasten securely with hardware as shown in Figure 3 For Wall Installation Connect each assembly to a slotted bracket using the hardware shown in Figure 4 Note alignment of brackets for left and right sides of the door e Finger tighten the lock nuts e Use bracket mounting holes as a template to locate and drill 2 3 16 diameter pilot holes on both sides of the garage door 4 6 above the floor but not exceeding 6 See warning on page 21 Attach bracket assemblies with 1 4 x1 1 2 lag screws as shown in Figure 4 e Adjust right and left side bracket assemblies to the same distance out from mounting surface Make sure all door hardware obstructions are cleared Tighten the nuts securely Figure 5 Alternate Wall Mount Inside Garage Wall Mounting Bracket with Slot Mounting Bracket with Square Holes C Wrap Sensor Indicator Light Figure 2 Garage WALL or DOOR TRACK Installation Mounting Bracket O With Square Holes C Wrap 10 32x3 8 Screws 10 32 i Lock Nuts Figure 3 Garage DOOR Track Installation 1 4 20 Lock Nuts Insi Garage FE es 3 Mounting Bracket Door Track Wall 3 with Square
43. nd close the door The door will stop in the up direction if anything interferes with its travel The door will reverse in the down direction if anything interferes with its travel including binding or unbalanced doors If the forces are set too light door travel may be interrupted by nuisance reversals in the down direction and stops in the up direction Weather conditions can affect the door movement so occasional adjustment may be needed The maximum force adjustment range is 260 degrees about 3 4 of a complete turn Do not force controls beyond that point Turn force adjustment controls with a screwdriver Adjustment Label Too much force on the door will interfere with the proper operation of the safety reverse system The door might not reverse properly when required and could seriously injure or kill someone under it Do not increase the force beyond the minimum amount required to close the door Do not use the force adjustments to compensate for a binding or sticking garage door Test the safety reverse system following all adjustments to force levels See page 30 Force Adjustment Controls Back Panel of Opener How and When to Adjust the Forces Test the DOWN close force Grasp the door bottom when the door is about halfway through DOWN close travel The door should reverse Reversal halfway through down travel does not guarantee reversa
44. nooccccnnnnocccccnnnoccnnncnanoncnn conan non nn nano nn narran nn nr rnn nn 34 35 Safety Warnings unicidad didi ginal Aaa raid 28 31 Manual Release Rope amp Handle LOCKOUT FEAture ss oi E etait A Oh eed nad eatin can Ranta eA ae ete 32 Manual Disconnect ilmesesti ann eee lien La a eee elt ated 32 Salety Warns LEA A A A A EE E Aa e A ai 11 19 31 32 Opener Terminals Door Control CONNECHONS ida AA A Slee Mate Mea ah eS 18 Safety Reversing Sensor Connections ccccccceeceeeeececaeeeeeeee eee aeeeeeeeeeeeaeeeeeeeeseceeeeceaaeseeeeeeseaeeneeeeeesaeeseeeee 23 Outside Keylock Accessory Connections 0oococccconnccccnnccccononcnonncc cono nnnnnn cnn rana 18 Operational Noise SPrOcket NOISE A A a tases 11 Vibration noise isolator Kit oooonoonccccinononicoconnnnccccnnnnn nc corr 34 Receiver and Remote Controls Programming the tTeCeNEr naunan a Aa A a a AANE te cesta 33 Erasing all CODGS cio dd dt dd Ed dt nae Ove fee ad Ove 33 Salety Wanna mts proto amet lente eee and tecate 33 Problems with remote control operation ooooooocccccnnocccccnnnnocnnccnnnannnnnnnnno nn non nnnn cnn nr rrnnn rn rr nan rene rra 34 Safety Reverse Test Procedure oooooooocconncccnnnccconncccconononononcnnnnr cnn arc n cnn rca 30 TESTING QUISO aii td caia 11 30 34 35 Safety Reverse System Problems Securing header bracket to Wall c ccessceeceeeeeeeneeeeeeeeeeeaaeeeeeeeeeeaaesseeneeecaaeeeseaeeecaaeeeseaaeesnaeesseaaeesseeeseaaeesenes 12
45. o floor 92 Actual height of door AAA A 88 REMAINED ce ccececeeeeeenece eee eeeeeeeteeeeeeaeaaeeeeeeeeeteess 4 Aldo terre er cree 8 Bracket height on headarwallusrnsnaa 12 Measure UP from top of CLOSED door 13 You can attach the header bracket either to the e Center the bracket on the vertical guideline with e Mark the bottom edge of the bracket on the horizontal holes line as shown with the arrow pointing toward the ceiling Vertical A Header __ Wall Lag Screws 5 16 x18x1 7 Header Bracket 2x4 Structural Support 1 1 A A 1 ye Garage __ pS 1 Door Highest Point of Travel Vertical of Garage Door Center Line e Extend the vertical guideline onto the ceiling as shown e Center the bracket on the vertical mark no more than 6 from the wall Make sure the arrow is pointing toward the wall The bracket can be mounted flush against the ceiling when clearance is minimal e Mark holes designated for ceiling mount only Drill 3 16 pilot holes and fasten bracket securely to a structural support with the hardware provided Ceiling Mounting Holes CEILJAG MOUNTRONLY The nail hole is for positioning only You must use lag screws to mount the header bracket 14 only You must use lag screws to Installation Step 2 wall above the garage door or to the ceiling Install the Header Bracket Fol
46. ococcoccccononcncnncccnnncn nano coronan nn 4 5 Chain TENSION A AAA E E EA AAA a dae AAA da dasa daa ada AAA 4 5 11 Electrical Safety WarningS ooooooooooccccncooococcccoooonnonccnnononoccnonononncnnnnn non rnnnnn nn nn cnn nn nn nn naar EEES ESEE Ennen EEEn 2 20 31 Garage Door Testing for balance binding and StiCkiNO oocccinccnocccncnnnnnnconcconanonnonnnncnnnnnnnnncnnnnnn nn nn nnnnn cnn rra nn rn anar nnnnnnnns 3 28 31 Determining high point of travel Section DOOM iii a AAA O a ALEA AE DA AS LAR E 12 One Plece DOOM iii a iaa AA bd aL A Ea ADA E de eid da dees Ea td 13 Disabling SXISUNDOCKS calido deci 3 11 Force Controls Adjustment Proc ci a atada ic 29 Problems that might require Force adjustments ooooocccccnnnocccocnncconnncnnanoncnn conan nan nn nano n nn nr rana nn rr ran rra 34 35 Safety WarninOS seran ta 29 31 DOOKMAAWAME iii a A la da tac n 3 9 11 12 18 31 32 Maintenance Instruction Label ccecccccccceesseseeceeceessceeeeeceuseceeeeeceaseeceeseeauasseceeeseauaeseeseeaeauseeeeeseanaeseeeees 11 28 Reinforcement requirement niaide diud aitain ieii liaii ne i i aaia ddiddan da iiaia 4 24 Removing ot all ropas arora add doc 3 11 Possible door damage viii A A a Di A e a a 16 24 Travel Limits Adjustment Procedures 00 cccccecceeseccceeeeeeceeeeeeeeeceeenesaeceeeeesaeaceeesageeeseesaaaeeeeessaeeeeeeeneeeeeceensenseeeesneneeeeeeeneaaes 28 Problems that might require Limit adjustMentS ooo
47. onding instructions The hazard may come from something mechanical or from electric shock Read the instructions carefully Mechanical Electrical When you see this safety symbol on the following pages it will alert you to the possibility of damage to your garage door and or the garage door opener if you do not comply with the corresponding instructions Read the instructions carefully This garage door opener is designed and tested to offer safe service provided it is installed operated maintained and tested in strict accordance with the safety instructions contained in this manual You ll Need Tools During assembly installation and adjustment of the opener instructions will call for hand tools shown below Y Tape Measure 3 16 5 16 and ESA k Jh Hack Saw Wire Cutters Claw Hammer 5 32 Drill Bits dE A 1 2 and 7 16 Sockets O and Wrench An unbalanced garage door might not reverse when required and someone under the door could be seriously injured or killed If your garage door binds sticks or is out of balance call for professional garage door service Garage doors door springs cables pulleys brackets and their hardware are under extreme tension and can cause serious injury or death Do not try to loosen move or adjust them yourself Ropes left on a garage door could cause someone to become entangled and killed Remove all ropes connected to the door before Stepladder instal
48. opener Attach chain to sprocket install sprocket cover 8 Attach chain spreader re install chain Tighten the chain Installation Section Pages 11 27 Installation safety instructions Determine header bracket location Sectional door One piece door Install header bracket Attach the T rail to header bracket Position the opener Hang the opener Install the door control Install the light s and lens es PAGE CONTENTS Attach manual release rope and handle Electrical requirements Safety reversing sensor information Install the safety reversing sensor Fasten door bracket sectional door Fasten door bracket one piece door Connect door arm to trolley sectional door Connect door arm to trolley one piece door Adjustment Section Pages 28 30 Travel limit adjustments Force adjustments Test the safety reversing sensor Test the safety reverse system Operation safety instructions Care of your opener Maintenance schedule Operation of your opener Receiver and remote control programming Having a problem cccccceceessteeeeeeessteeeeeees 34 35 Repair parts rail assembly Repair parts installation Repair parts opener assembly Accessories How to order repair parts Maintenance agreement Warranty Start by reviewing these important safety alert symbols When you see these safety symbols on the following pages they will alert you to the possibility of serious injuries or death if you do not comply with the corresp
49. opener sprocket Attach sprocket cover securely Never operate opener while your hand is near the opener sprocket 8x1 Hex Screw USE ONLY THIS TYPE e Securely fasten the chain spreader with the hardware provided AND SIZE da Washers e Line up the holes in the chain spreader with the SCREW l ciah holes in the opener as shown The slot in the chain AE E me spreader must fit over the T rail flange ECA L 1 Trolley Outer Inner Nut Threaded Nut and Washer Shaft A e Remove the trolley threaded shaft from the trolley by loosening the inner nut and lock washer Trolley Chain Spreader 8 Tooth C ud Pp Sprocket o tl ra Opener e Guide the chain around the selected groove in the ee pe AN Plate chain spreader to engage either the 8 tooth sprocket or the 6 tooth sprocket as shown Chain Spreader 6 Tooth Sprocket Opener Mounting Plate Install Chain In This Direction Chain Spreader Opener J e Continue dispensing the chain forward to the trolley Reconnect the trolley to the trolley threaded shaft Proceed to page 11 for chain tightening instructions 10 Assembly Step 3 Tighten the Chain All Models e Spin the inner nut and lock washer down the threaded shaft away from the trolley e To tighten the chain turn outer nut in the direction
50. or others The garage door could close and cause serious injury or death Do not allow children to operate the door control s or remote control transmitter s A moving garage door could injure or kill someone under it Activate the opener only when you can see the door clearly it is free of obstructions and is properly adjusted Figure 1 Model 81LM Single Function Remote Control Green Battery Indicator Light Push Button Figure 2 Garage Door Opener With Smart Button Indicator Light art Button END PANEL Situation The opener doesn t operate from either the door control or the remote control Opener operates from remote control but not from door control The door operates from the door control but not from the remote control The remote control has short range Opener noise is disturbing in living quarters of home The garage door opens and closes by itself Having a Problem Probable Cause amp Solution 1 2 1 1 2 If q Does the opener have electric power Plug a lamp into the outlet If it doesn t light check the fuse box or the circuit breaker Some outlets are controlled by a wall switch Have you disabled all door locks Review installation instruction warnings on Page 11 Is there a build up of ice or snow under the door The door may be frozen to the ground Remove any restriction
51. pairs of holes that line up and join with screws lock washers and nuts Hardware Shown Actual Size O Nut 5 16 18 Lock Washer 5 16 Hex Screw Clevis Pin 5 16 18x7 8 5 16 x1 Ring Fastener 5 16 18 Screws R 5 16 18x7 8 Cut This End Figure 3 Proceed to Adjustment Step 1 page 28 Trolley will re engage automatically when the opener is operated All ONE PIECE Doors Door Bracket 0 Ring Fastener Nuts Lock 5 16 18 Washers Assemble the Door Arm e Fasten the straight and curved door arm sections together to the longest possible length with a 2 or 3 hole overlap Clevis Pin Straight e With the door closed connect the straight door am A y arm section to the door bracket with a clevis pin P o i j S Secure with a ring fastener DA anes On one piece doors before connecting the door arm to the trolley the travel limits must be adjusted Limit adjust ment screws are located on the left side panel as shown on page 28 Follow adjustment procedures below Fully Closed Trolley Z 2 E Prs Fully Open TRAS Trolley CLOD ANa ni H 4 Su Door Arm d 1 Door Arm LAN 7 Connector Hole Door Arm Connector Hole a eo O a aoe Size Door Open Door Door with Door Arm Backward Slant Adjustment Procedures for One Piece Doors Open Door Adjustment Decrease UP limit e Turn the UP limit adjustment screw counter clockwise 5 1 2 turns e Press the Door Control button
52. pen position but will not return to the close position until the sensor beam is connected and properly aligned See Safety Reversing Sensor instructions beginning on page 21 Outside Keylock Accessory Connections To opener terminal screws white to 2 white red to 1 Models 1256 1255 1255 166 1255 266 1246 1245 1245 266 amp 1240 Models 1260 1260 166 1260 266 1250 amp 1250 266 Multi Function Door Control Panel Terminal Screws 2 Conductor 2 Conductor Bell Wire Bell Wire Lighted Door Control Terminal Screws 6ABx1 Screw Multi Function Door Control Panel Dry Wall Anchors Opener 2 Conductor Terminal Bell Wire Screws Lock Button Light Button Door Control Push Bar Back Panel of Opener Lighted Door Control Button Multi Function Door Control Panel Antenna Installation Step 7 Install the Light s and the Lens es Install the light s e Install a 75 watt maximum light bulb in each socket The light s will turn ON and remain lit for approximately 4 1 2 minutes when power is connected Then the light s will turn OFF If the bulbs burn out prematurely due to vibration replace with a standard neck Garage Door Opener bulb Install the lenses Models 1260 1260 266 1260 166 1250 and 1250 266 only e See F
53. push bar The trolley will travel to the fully open position e Manually raise the door to the open position parallel to the floor and lift the door arm to the trolley The arm should touch the trolley just in back of the door arm connector hole Refer to the fully open trolley door arm positions in the illustration If the arm does not extend far enough adjust the limit further One full turn equals 2 of trolley travel Connect the door arm to the trolley Closed Door Adjustment Decrease DOWN limit e Turn the DOWN limit adjustment screw clockwise 5 complete turns e Press the Door Control button push bar The trolley will travel to the fully closed position e Manually close the door and lift the door arm to the trolley The arm should touch the trolley just ahead of the door arm connector hole Refer to the fully closed trolley door arm positions in the illustration If the arm is behind the connector hole adjust the limit further One full turn equals 2 of trolley travel e Close the door and join the curved arm to the connector hole in the trolley with the remaining clevis pin It may be necessary to lift the door slightly to make the connection Secure with a ring fastener Run the opener through a complete travel cycle If the door has a slight backward slant in full open position as shown in the illustration decrease the UP limit until the door is parallel to the floor 27 Adjustment Section Pages 28
54. r operation requiring some re adjustments particularly during the first year of operation Pages 28 and 29 refer to the limit and force adjustments Only a screwdriver is required Follow the instructions carefully Repeat the safety reverse test page 30 after any adjustment of limits or force The remote control transmitter The opener must learn the code of any new remote control Page 33 explains how to program your receiver and how to erase all codes if required Self service of your receiver and remote control is not recommended If service is needed call the toll free number listed on the back page The remote control battery The green battery test light will glow and the opener will operate when the remote control is activated as long as there is adequate battery power If the test light is dim or off replace the battery Also check the test light if transmission range decreases The 12 volt battery should produce power for at least a year Dispose of your old battery properly Maintenance Schedule Once a Month Manually operate door If it is unbalanced or binding call for professional garage door service Check to be sure door opens amp closes fully Adjust limits and or force if necessary See pages 28 and 29 Repeat the safety reverse test Make any necessary adjustments See page 30 Twice a Year Check chain tension Disconnect trolley first Adjust if necessary See page 11 Once
55. rage door service 30 Without a properly working safety reversing sensor persons particularly children could be seriously injured or killed if trapped by a closing garage door Repeat this test once a month y y y y A A 6 A cl Ja Safety Reversing Sensor Safety Reversing Sensor Failure to test and adjust the safety reverse system may result in serious injury or death from a closing garage door Repeat this test once a month and adjust as needed N GARAGE DOOR One inch Board 2x4 laid flat Important safety check Repeat Adjustment Steps 1 2 and 4 after e Each adjustment of door arm length force controls or limit controls Any repair to or adjustment of the garage door including springs and hardware Any repair to or buckling of the garage floor e Any repair to or adjustment of the opener IMPORTANT SAFETY INSTRUCTIONS To reduce the risk of severe injury or death to persons READ AND FOLLOW ALL INSTRUCTIONS Do not permit children either to operate or to play with the opener Keep remote control in a location inaccessible to children Operate opener only when the door is in full view and
56. rdware shown in Figure 1 pe eet 24 All ONE PIECE Door Installation Procedure Please read and comply with the warnings and reinforcement instructions on page 24 They apply to one piece doors also Header Wall Finished Ceiling fl 2x4 Support La sl p po ZA gon AA Header Bracket l y Door i Optional Bracket Placement i of Door i Bracket Vertical Centerline of Garage Door e Center the bracket on the top of the door in line with the header bracket as shown Mark holes e Drill 5 16 pilot holes and fasten the door bracket with hardware supplied If the door has no exposed framing drill 3 16 pilot holes and fasten the bracket with 5 16 x1 1 2 lag screws not supplied to the top of the door The door bracket may be installed on the top edge of the door if required for your installation Refer to the dotted line optional placement drawing Drill 3 16 pilot holes and substitute 5 16 x1 1 2 lag screws not supplied to fasten the bracket to the door E Horizontal and vertical reinforcement is needed for lightweight garage doors fiberglass aluminum steel door with glass panel etc Nut 5 16 18 Lock Washer mes 5 16 ar i i Door 1 Bracket a Top of Door LE Inside Garage Top Edge of Door Optional i Placement 1 1 For a door with no exposed framing or for the optional ins
57. rranty negligence strict liability or breach of contract exceed the cost of the product covered herein but the purchaser is entitled to the remedies expressly provided in this policy Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you No representative or person is authorized to assume for us any other liability in connection with the sale of this product This warranty gives you specific legal rights and you may also have other rights which may vary from state to state Pe e ed ede ede peed ede pe fee eae fe fee fet fen fee fe fee ed fe eed ed ed ed eM eed eNom pa ape E 1996 The Chamberlain Group Inc 114A1915B All Rights Reserved Printed in Mexico
58. s blink check the safety reversing sensor See page 23 2 If the opener lights do not blink and it is a new installation check the down force See Adjustment Step 2 page 29 For an existing installation see below Repeat the safety reverse test after the adjustment is complete 1 Is something obstructing the door Pull the manual release handle Operate the door manually If it is unbalanced or binding call for professional garage door service 2 Clear any ice or snow from the garage floor area where the door closes Review the force adjustment procedures on page 29 4 If door reverses in the fully closed position decrease the travel limits page 28 Repeat safety reverse test after adjustments to force or travel limits The need for occasional adjustment of the force and limit settings is normal Weather conditions in particular can affect door travel ao Check the safety reversing sensor Remove any obstruction or align the receiving eye See page 23 don t turn on Replace the light bulbs 75 watts maximum Use a standard neck garage door opener bulb if regular bulb burns out don t turn off Is the Light feature on Turn it off The door may be out of balance or the springs are broken Close the door and use the manual release to disconnect the trolley Open and close the door manually A properly balanced door will stay in any point of travel while being supported entirely by its springs If it does not
59. signed to minimize vibration to the house and is easy to install 4 2 Be sure that all remote control push buttons and battery indicator lights are off Remove the bell wire from the door control terminals and operate from the remote control only If this solves the problem the door control is faulty replace or there is an intermittent short on the wire between the door control and the opener The door doesn t open completely The door stops but doesn t close completely 1 2 3 If the door has been working properly but now doesn t open all the way increase the up force See page 29 Is something obstructing the door Remove the obstruction or repair the door If door opens at least 5 feet the travel limits may need to be increased One turn equals 2 inches of travel See page 28 Repeat the safety reverse test after the adjustment is complete Review the travel limits adjustment procedures on page 28 Repeat the safety reverse test after any adjustment of door arm length close force or down limit 34 Situation Having a Problem continued Probable Cause Solution The door opens but won t close The door reverses for no apparent reason and opener lights don t blink The door reverses for no apparent reason and opener lights blink for 5 seconds after reversing The opener lights The opener strains or maximum force is needed to operate door 1 If the opener light
60. tallation Carriage Bolt use 5 16 x1 1 2 lag i 5 16 18x2 1 2 screw not supplied to fasten door bracket Hardware Shown Actual Size Nut 5 16 18 Lock Washer 5 16 Carriage Bolt 5 16 18x2 1 2 Installation Step 12 Connect Door Arm to Trolley Follow instructions which apply to your door type as illustrated below and on page 27 SECTIONAL Doors Only Make sure garage door is fully closed Pull the manual release handle to disconnect the outer trolley from the inner trolley Slide the outer trolley back away from the door about 2 as shown in Figures 1 2 and 3 Figure 1 e Fasten straight door arm section to outer trolley with a clevis pin Secure the connection with a ring fastener Fasten curved section to the door bracket in the same way as shown Inner Trolley Clevis Pin Fastener Straight Door Arm 0000000000 Curved Door Arm Figu re 1 Clevis Pin Figure 2 e Bring arm sections together Find two pairs of holes that line up and join sections Select holes as far apart as possible to increase door arm rigidity s Release KN Handle Screws 5 16 18x7 8 Door Bracket Figure 2 Hole Alignment Alternative Figure 3 If holes in curved arm are above holes in straight arm disconnect straight arm Cut about 6 from the solid end Reconnect to trolley with cut end down as shown e Bring arm sections together e Find two
61. to loosen move or adjust them yourself Serious personal injury or death could result Call for garage door __ Finished __ Vertical Ceiling service Header __ Guideline Wall td Structural e Close the door and mark the inside Supports vertical centerline of the garage door E e Extend the line onto the header wall SS above the door Remember you can fasten the ae E header bracket within 2 feet to the A left or right of the door center only if K E E a torsion spring or center bearing plate is in the way or you can attach it to the ceiling refer to page 14 9 when clearance is minimal If you need to install the header bracket on a 2x4 on wall or ceiling use lag screws not supplied to securely fasten the 2x4 to structural supports as shown here and on page 13 Vertical Guideline Ceiling Header e Open your door to the highest point of travel as shown Draw an intersecting horizontal line Highest Point on the header wall 2 above of Travel the high point This height will cal provide travel clearance for the top edge of the door Sectional door with One piece door with curved track horizontal track Proceed to Step 2 page 14 12 ONE PIECE Door Without Track Read the Safety Instructions on page 12 They
62. y THERE ARE NO OTHER USER SERVICEABLE PARTS Your garage door opener receiver and remote control transmitter have been set at the factory to a matching code The door will open when you press the remote control push button Your Smart garage door opener will operate with e up to twelve Smart remote control transmitters with green indicator lights e a Keyless Entry System and code switch remote controls with red indicator lights Follow the instructions below to program your opener to match any additional remotes you may purchase See accessories on page 38 To Add A Remote 1 Press and hold the remote push button See Figure 1 2 Then press and release the Smart button on the back panel of the opener in Figure 2 The opener lights on the panel will flash once 3 Release the remote push button Now the opener will operate when the remote control push button is pressed If you release the remote control push button before the opener lights flash the opener will not accept the code To Erase All Remote Control Codes e Press and hold the Smart button on the opener panel until the indicator light turns off about 6 seconds All the codes the opener has learned will be erased e To reprogram repeat Steps 1 3 for each remote control in use Code programming instructions are also located on the opener panel 33 Children operating or playing with a garage door opener can injure themselves

Chamberlain 1200 Garage Door Opener User Manual

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