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LiftMaster 3240 Support Question

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Question posted by Msrock2000 on May 28th, 2012

Only One Light Works

one light does not work even with a new bulb. What whould cause this problem?

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Related LiftMaster 3240 Manual Pages

3240 Manual - Page 1

® GARAGE DOOR OPENER Models The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 www.liftmaster.com 3130M 1/3 HP For Residential Use Only 3240M 1/2 HP Owner's Manual ■ 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...

3240 Manual - Page 2

... Install the Protector System 11-13 Position the opener 14 Hang the opener 15 Install the door control 16 Install the lights 17 Attach the emergency release rope and handle...safety instructions 26 Using your garage door opener 26 Using the wall-mounted door control 27 To open the door manually 27 Care of your garage door opener 28 Having a problem 29 Diagnostic chart 30 ...

3240 Manual - Page 3

If balanced, it should stay in place, supported entirely by its springs. 2. To prevent damage to garage door and opener: • ALWAYS disable locks BEFORE installing and operating the opener. • ONLY operate garage door opener at 120V, 60 Hz to avoid entanglement. Carpenter's Level (optional) 12 Tape Measure Pencil Wire Cutters Drill 3/16", 5/16" and 5/32" Drill...

3240 Manual - Page 5

...purchased. Model 3240M Model 3130M Model 3240M (1) Model 3130M (1) Multi-Function Door Control Panel Lighted Door Control Button SECURITY✚® 3-Button Remote Control 2 Conductor Bell Wire ... Rope Handle 5 If anything is also listed below . Carton Inventory Your garage door opener is packaged in the foam. Parts may be stuck in two cartons which contain the motor unit ...

3240 Manual - Page 6

...the Rail to the Motor Unit To avoid installation difﬁculties, do not run the garage door opener until the coupling ﬁts securely over the motor unit sprocket. • Align the ...8226; Turn release arm down to do so. Be certain to install it after Installation Step 4. • Working on a level surface, align the rail assembly with the motor unit, as shown. • Slip the ...

3240 Manual - Page 7

...could be made by a trained door systems technician BEFORE installing opener. 4. Install garage door opener 7 feet (2.1 m) or more above ﬂoor. 7. They could result in garage door or opener mechanisms. 9. Install garage door opener ONLY on inside of the door. 10. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to cables, spring assemblies and...

3240 Manual - Page 11

... if repositioning is necessary to avoid drilling extra holes in masonry construction, add a piece of the door as long as the wall framing. The invisible light beam path must be connected and aligned correctly before the garage door opener will detect an obstacle in the down direction. This required safety device MUST NOT be securely...

3240 Manual - Page 12

INSTALLING THE BRACKETS Be sure power to the opener is needed, an extension bracket (see Accessories) to elevate ...64258;oor with concrete anchors as follows: Garage door track installation (preferred): • Slip the curved arms over the rounded edge of the track. Figure 1 Door Track Lip DOOR TRACK MOUNT (RIGHT SIDE) Indicator Light Safety Reversing Sensor Lens Bracket Figure 2 ...

3240 Manual - Page 14

... Step 13 is convenient for setting an ideal door-to your door type as illustrated. To prevent damage to garage door, rest garage door opener rail on 2x4 placed on the top section of the door beneath the rail. • The top of the door should be level with the top of Door 2x4 is convenient for setting an ideal...

3240 Manual - Page 15

.../8" Lock Washer 5/16" Nut 5/16"-18 FINISHED CEILING (Not Provided) Bolt 5/16"-18x7/8" Lock Washer 5/16" Nut 5/16"-18 15 Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of each side of the hanging bracket to the structural support. 2. Cut both pieces of the motor unit to...

3240 Manual - Page 16

...door controls to red. 6. See Step 11 on cover. INSTALLATION STEP 7 Install the Door Control Locate door control within sight of garage door...door control push buttons or remote control transmitters. • Activate door ONLY when it may stick if the door...garage door. NOTE: DO NOT connect the power and operate the opener Lighted Door Control Multi-Function Door Control Door...the opener, ...

3240 Manual - Page 17

Light bulb size should be A19, standard neck only. Use ONLY incandescent. Secure with an overhand knot at least 1" (2.5 cm) from a falling garage door: • If possible, use emergency release handle to close the lens. • Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is necessary to prevent unraveling. Secure with a match or lighter...

3240 Manual - Page 18

... connection. • Garage door installation and wiring MUST be in compliance with a third grounding pin. To make a permanent connection through the 7/8" hole in place. • Loosen the receiving eye wing nut and adjust the sensor vertically and/or horizontally until Step 11 below. The opener lights will blink 10 times. (If bulbs are correct. RIGHT...

3240 Manual - Page 25

... one control (force or travel cycles to close from a remote if the indicator light in either sensor is not traveling far enough in the down direction. Without a properly installed safety reversal system, persons (particularly small children) could be tested. The garage door opener will ﬂash. Safety Reversing Sensor 25 Safety Reversing Sensor The...

3240 Manual - Page 26

... closed , it will stop . someone walks through the open door falling rapidly and/or unexpectedly, causing SEVERE INJURY or DEATH. 7. Bulb size is clear of the following conditions: when the opener is activated (with each use emergency release handle unless garage doorway is A19. Security✚® light feature: Lights will reverse. 3. ALL repairs to a matching code...

3240 Manual - Page 29

... installed, aligned and free of any binding problems. • Refer to force or travel limits. My door will not close and the light bulbs blink on my motor unit: The safety reversing sensor must be connected and aligned correctly before the garage door opener will not activate the door: • Verify your door, check diagnostic LED for ﬂashes...

3240 Manual - Page 30

... Diagnostic LED "Learn" Button Your garage door opener is programmed with jumper wire. Symptom: One or both of the indicator lights on the safety reversing sensors do not light, replace the safety sensors. If sending eye indicator light glows steadily, attach the receiving eye. • Align sensors, if the indicator lights glow replace the wires for a short...

3240 Manual - Page 31

... when the motor unit lights blink. If light bulbs are now erased. All previous codes are not installed, two clicks will be heard. *3-Button Remotes (315 MHz) If provided with your garage door. 3. LOCK LIGHT LOCK LIGHT 4. It has learned the code. Your garage door opener has already been programmed at the factory to operate your garage door opener, the large button is...

3240 Manual - Page 32

... NOTE: Your new Keyless Entry must be programmed to 0 in step 3. The learn " button on the Multi-Function Door Control (all three buttons are held). Then press and hold enter. 2. Continue holding the ENTER button, press and hold buttons 1 and 9 for your garage door opener. Release buttons when the motor unit lights blink. If light bulbs are not...

3240 Manual - Page 35

... a neat compact appearance. Also can be limited to gain access by scanning their home with their garage door opener remote or from the outside by adding additional sensor CLOSED modules. CLOSED OPEN Remote Light Control : Enables homeowner to turn opener lights on or off from the control panel. 379LM-10 Wireless Keyless Entry with Security✚®...