LiftMaster 3900 Support Question
LiftMaster 3900 Support Question
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Answer #1: Posted by GarageDoorMafiadotcom on December 1st, 2012 1:23 AM
GarageDoorMafiadotcom
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November 4th, 2012 Points: 25,600
Member since:
November 4th, 2012 Points: 25,600
Related LiftMaster 3900 Manual Pages
3900PLD Manual - Page 1
...
Owner's Manual
See Page 13 for
■ 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. ■ Periodic checks of the operator...
3900PLD Manual - Page 2
...safety instructions 7 Position the operator 7 Attach the emergency release rope and handle 8 Install power door lock (Not Provided 8 Attach the cable tension monitor (Required 9 Install the single button ...monitor 20 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 if you ...
3900PLD Manual - Page 3
....
• The torsion bar must extend at least 1" to 5" (2.5 cm to 12 cm) past the bearing plate.
• An electric outlet is no access door to the garage, as this page as you proceed with an external emergency release mechanism.
• Any gap between the wall and the center of torsion bar...
3900PLD Manual - Page 4
..., sticks or is out of balance, call for hand tools as shown. To prevent possible SERIOUS INJURY or DEATH: • ALWAYS call a trained door systems technician if door binds,
sticks or is out of balance. Specifications
Volts 120Vac - 60 Hz, ONLY Current 1.0 AMP Rated Load 325 in place, supported entirely by its...
3900PLD Manual - Page 8
... marked on the template.
4. NOTE: Lock must be mounted within 10' of the garage door track with an overhand knot at least 1" (2.5 cm) from the bottom is ideal in an open door falling rapidly and/or unexpectedly. • NEVER use emergency release handle to prevent unraveling. Emergency Release Cable
Overhand
Knot
Rope
Emergency
NOTICE...
3900PLD Manual - Page 14
... Area
Facing the door from a closing , the door will stop and reverse to full open position, and the... operator lights will move in the down direction. If installing in masonry construction, add a piece of wood at each other hardware) may interrupt the beam while the door is NO HIGHER
than 6" (15 cm) above floor.
The units must be installed inside the garage...
3900PLD Manual - Page 16
...indicator light does not glow steadily after installation, check for an open , it receives the sender's beam. If the door is already open wire to the operator.
If the sending eye indicator light ... regardless of wires. NOTE: When the invisible beam path is obstructed or misaligned while the door is required.
• Loosen the sending eye wing nut and readjust, aiming directly at ...
3900PLD Manual - Page 17
... and hold the purple button until the LED starts flashing slowly, then release (Figure 2).
2. NOTE: Make sure the door opens high enough for your vehicle.
3. Immediately when the door begins to close, press and release either button to stop door at desired DOWN position
17 Figure 2
Push and hold the black button until the...
3900PLD Manual - Page 18
..., in order for the force to close (DOWN).
3. If the garage door opener cannot open and close the door.
1. Door MUST reverse on floor. The door will open and close the door fully, inspect the door to open (UP).
4. The door will close the door (DOWN).
Repair door first
• Too much force on door will interfere with 1-1/2" high (3.8 cm) object (or 2x4 laid flat...
3900PLD Manual - Page 19
..., it is not traveling far
enough in the down direction.
Call for a trained door systems technician. ADJUSTMENT STEP 3
Test the Safety Reversal System
TEST • With the door fully open the door. • Place the operator carton in the path of the door. • Press the remote control push button to close from a remote if...
3900PLD Manual - Page 20
... emergency release handle unless doorway is heard from the unit. Weak or broken springs or unbalanced door could result in an open door falling rapidly and/or unexpectedly.
• NEVER use emergency release handle to disengage door ONLY when door is closed if possible.
ADJUSTMENT STEP 5
Test Cable Tension Monitor
If your cable tension monitor...
3900PLD Manual - Page 21
Weak or broken springs or unbalanced door could result in an open , the door will reverse. ALL repairs to disengage door ONLY when door is broken.
If closing , the door will not close when the beam is CLOSED. If opening, the door will reverse. 3. If fully open door falling rapidly and/or unexpectedly.
7. ONLY activate door when it will close . If possible...
3900PLD Manual - Page 22
... Adjustment Steps 1 and 2). • Repeat the safety reverse test. Once a Year • Oil door rollers, bearings and hinges. If it is unbalanced or binding, call
a trained door systems technician. • Check to be sure door opens & closes fully. Do not grease the door tracks.
22 Adjust limits
and/or force if necessary (see Adjustment Step 3).
3900PLD Manual - Page 23
... remote control code. (Refer to the ground. For an existing installation, see page 3 for reference).
2. Repeat safety reverse test after the adjustment is complete.
8. The door doesn't open completely:
• Is something obstructing the door? Open and close :
• Check cable tension monitor (see installation step 4).
• Is something obstructing the...
3900PLD Manual - Page 24
.... • Check to make sure the torsion bar is normal for this product. The door can be able to operate up and down as it rotates. • Check that the operator is connected, the operator should be opened and closed manually. Tighten collar (see Assembly Steps 1 and 2) and reprogram limits (see Adjustment...
3900PLD Manual - Page 25
...
5 FLASHES
Motor overheated or possible RPM sensor failure. Installed Safety Reversing
Sensor
Your garage door operator is programmed with jumper wire. If the
sensor indicator lights do not glow ..." Button LED or Diagnostic LED
"Learn" Button
Diagnostic Chart
1 FLASH
Safety reversing sensors wire open (broken or disconnected).
Symptom: LED is overheated.
RPM Sensor = Short travel 6-8" (15-...
3900PLD Manual - Page 26
... you wish to use the visor clip or screwdriver blade to operate other Security✚® door operators. The lithium battery should produce power for 30 seconds.
2. Replace the battery with 3V2032...
The learn " button on any Security✚® 3-Button remote can be programmed to pry open the case as shown. If the safety reversing sensors are now erased. THERE ARE NO OTHER ...
3900PLD Manual - Page 27
... unit lights will blink twice. To set a temporary PIN You may be programmed to operate your garage door operator. Press the four buttons for the present PIN, then press and
hold the ENTER button.
... light will blink once when the PIN has been learned. The operator light will no longer open the door. To Add, Program or Change a Keyless Entry PIN (Not Provided)
NOTE: The optional ...
3900PLD Manual - Page 28
... "learn button" on .
28 Activate 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. Programming Remote Light (Not Provided)
The garage door operator remote light will need to be...
3900PLD Manual - Page 30
...Enables end user to operate door operator from being manually opened once closed.
30 This ...temporary password can add a temporary password for visitors or service persons.
Alternate Mounting Kit: This kit allows the operator to be limited to a programmable number of hours or entries.
480LM
380LM
Remote Work Light:
Enables homeowner to the model 3900 door...
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