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LiftMaster 3900 Support Question

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Question posted by jmatthews3085 on November 7th, 2015

Should There Be An Led Light In The Single Button Control - Hard To Find In Dark

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Answer #1: Posted by waelsaidani1 on November 8th, 2015 12:31 AM

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waelsaidani1

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Your garage door opener is programmed with self-diagnostic capabilities. The diagnostic LED next to the learn button will flash a number of times, then pause before repeating, signifying it has found a potential issue. The Diagnostic Chart is here http://liftmaster.custhelp.com/app/answers/detail/a_id/242/~/what-does-the-flashing-led-next-to-the-learn-button-mean%3F

Related LiftMaster 3900 Manual Pages

3900PLD Manual - Page 1

... Model 3900PLD For Light Duty Commercial Use Install On Sectional Doors With Torsion Assemblies Only The Chamberlain Group, Inc. 845 Larch ... Please read this manual and the enclosed safety materials carefully! ■ Fasten the manual near the door after installation. ■ The door WILL NOT CLOSE unless The Protector System® and cable tension monitor are connected and properly aligned...

3900PLD Manual - Page 2

... release rope and handle 8 Install power door lock (Not Provided 8 Attach the cable tension monitor (Required 9 Install the single button control station 10 Install the light (Not Provided 11 Electrical requirements 12 Mount... To open door manually 20 Operation 21-25 Operation safety instructions 21 Using your door operator 21 Care of your garage door and/or the garage door operator ...

3900PLD Manual - Page 3

... greatly reduced. Motor unit Cable Tension Monitor Torsion Spring Drum Wall-mounted Single Access Door Button Control Station Safety Reversing Sensor Safety Reversing Gap between the wall and the center... inspect proposed installation area. NOTE: Inspect the torsion bar while the door is no access door to the garage, as you proceed with an external emergency release mechanism. • ...

3900PLD Manual - Page 5

... unit and the parts illustrated below. Note that accessories will depend on the model purchased. Carton Inventory Your door operator is missing, carefully check the packing material. 2-Conductor Bell Wire White & White/Red Single Button Control Station Safety Sensor Bracket (2) Mounting Bracket Cable Tension Monitor with 2-Conductor Green/White Bell Wires Operator Safety Labels...

3900PLD Manual - Page 7

... INSTRUCTIONS. 2. They could result in SEVERE INJURY or DEATH. 3. Loosen collar screws from being entangled in a prominent location. 10. Install wall-mounted door control: • within sight of the door. • out of reach of operator. Ensure that attach to the torsion bar to wall. 6. Drill 3/16" pilot holes at minimum height of...

3900PLD Manual - Page 8

... adhere lock template to secure wire in most installations. 2. Fasten power door lock to the outside of the garage door track with an overhand knot at least 1" (2.5 cm) from being manually opened once the door is fully closed. 1. Run bell wire up from a falling door: • If possible, use emergency release handle unless doorway is clear...

3900PLD Manual - Page 10

... sight until completely closed. INSTALLATION STEP 5 Install the Single Button Control Station 1. Fasten the control station to the wall at a minimum height of 5 feet (1.5 m) and away from ALL moving parts of door. • NEVER permit children to operate or play with door control push buttons or remote controls. • Activate door ONLY when it can be seen clearly, is not...

3900PLD Manual - Page 11

...the plug does not fit fully in between the ceiling and the screw head (Figure 2). Light is required for ceiling mount and indoor applications ONLY. Clips slide in the outlet, reverse ...with an extension cord unless plug can not be fully inserted. 6. NOTE: If installing remote light (operator light) on drywall and a ceiling joist can be located, use bulbs larger than the other end ...

3900PLD Manual - Page 14

... safety reversing sensor will flash 10 times. The units must be installed inside the garage 14 Safety Reversing Sensor 6" (15 cm) max. above the floor. The sending eye (with an amber indicator light) transmits an invisible light beam to the door operator BEFORE installing the safety reversing sensor. The mounting brackets are available if...

3900PLD Manual - Page 16

... eye. NOTE: When the invisible beam path is obstructed or misaligned while the door is already open wire to grey (Figure 6). Figure 6 To CableTension Monitor Bell Wire Motor unit... the green indicator light in the operator. Use wing nuts to fasten safety reversing sensors to Quick-Connect Terminals Sensor Connections WHT/RED WHT WHT/BLK WHT To Door Control Quick-Connect Terminals...

3900PLD Manual - Page 17

...position. This sets the UP (open door provides adequate clearance. Repair door first. • Incorrect adjustment of the door by a closing the door (Figure 3). 4. Purple Button Setting the UP position: 1. Press and hold the black button until the LED starts flashing slowly, then release (Figure 2). 2. Push the door control or programmed remote control. Setting the DOWN position: 5. To...

3900PLD Manual - Page 18

... repeat Program the Travel Limits. Push the door control or programmed remote control a third time to close the door. 1. Repair door first • Too much force on floor. Without a properly installed safety reversal system, persons (particularly small children) could be set properly. If the garage door opener cannot open and close the door (DOWN). ADJUSTMENT STEP 2 Set the Force The...

3900PLD Manual - Page 19

ADJUSTMENT STEP 4 Test The Protector System® • Press the remote control push button to open , place a 1-1/2" (3.8 cm) board (or a 2x4 laid flat) on the floor, centered under the door. • Operate the door in the down direction. The door operator will flash. Call for a trained door systems technician. Upon successful safety reversal test proceed to fail the...

3900PLD Manual - Page 21

.... Weak or broken springs or unbalanced door could result in a partially open position, it will open , the door will reverse. 3. NO ONE SHOULD GO UNDER A STOPPED, PARTIALLY OPENED DOOR. 6. NEVER permit children to disengage door ONLY when door is activated (with 1-1/2" (3.8 cm) high object (or a 2x4 laid flat) on the Single Button Control Station until completely closed , it will...

3900PLD Manual - Page 23

... stay in any ice or snow from the Single Button Control Station: • Are the wiring connections correct? If it doesn't light, check the fuse box or the circuit breaker. (Some outlets are the springs broken? Review Installation Step 5. 3. The door opens but not from the floor area where the door closes. • Review Adjustment Step 2. The...

3900PLD Manual - Page 25

... Sensor Your garage door operator is overheated. The "Learn" button/diagnostic LED will not operate replace logic board. Symptom: LED is firmly secured to 1-2 ft (30-60 cm) from motor unit. Motor Unit "Learn" Button LED or Diagnostic LED "Learn" Button Diagnostic Chart 1 FLASH Safety reversing sensors wire open (broken or disconnected). Symptom: Sending indicator light glows steadily...

3900PLD Manual - Page 26

... codes: Press and hold the button on the Single Button Control Station until the learn " button on the motor unit. Reprogram each remote or keyless entry you wish to operate your door. *3-Button Remote (315 MHz) If provided with your door operator, the large button is factory programmed to operate it. The learn indicator light blinks and shuts off upon...

3900PLD Manual - Page 27

... number (PIN) of your garage door operator. It can be used to close the door even after it may authorize access by visitors or service people with a temporary 4-digit PIN. Press the temporary 4-digit PIN you have chosen, then press Enter. The operator light will blink twice. USING THE "LEARN" BUTTON 1. If the optional remote...

3900PLD Manual - Page 28

... the door using the Single Button Control Station (or hand-held remote control or keyless entry, if programmed). 3. It has learned the code and the light turns on light until LED comes ON. 2. Follow the instructions below to operate with the door operator. Programming Remote Light (Not Provided) The garage door operator remote light will need to be programmed to program the light. 1. Press...

3900PLD Manual - Page 29

... Encoder System Transformer KEY NO. 4 5 6 PART NO. 41A6095 41B122 41A6348-3 DESCRIPTION Motor with bracket Power cord Cover 29 APBS 1 41A4582 3 41B4494-1 4 41A6104 5 41C0902 6 41A5034 DESCRIPTION Single button control station Emergency release rope & handle assembly 2-Conductor bell wire -