LiftMaster 3900 Support Question
LiftMaster 3900 Support Question
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Question posted by limilsatb on August 20th, 2014
Which Is Better Liftmaster 3800 Or 3900
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Current Answers
Answer #1: Posted by BusterDoogen on October 4th, 2014 12:42 PM
BusterDoogen
Member since:
October 30th, 2011 Points: 28,565,397
Member since:
October 30th, 2011 Points: 28,565,397
Very little, the 3800 specifies it can be used for residential & light duty commericial, the 3900 is for lght duty commercial only.
I hope this is helpful to you!
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Related LiftMaster 3900 Manual Pages
3900PLD Manual - Page 1
..., Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196
www.liftmaster.com
patible with
Com Details
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...
3900PLD Manual - Page 2
...18 Test the safety reversal system 19 Test The Protector System 19 Test cable tension monitor 20 To open door manually 20
Operation
21-25
Operation safety instructions 21 Using your operator 22 Having a problem? (...will alert you to the possibility of damage to your garage door and/or the garage door operator if you to offer safe service provided it . Read the warnings carefully.
3900PLD Manual - Page 3
...Unit is strongly recommended if there is no access door to the garage, as you proceed with :
• Doors that use a torsion bar, springs and a door no noticeable movement up to 180 sq. Operator ...The torsion bar must not exceed 1/4" (6 mm). NOTE: Inspect the torsion bar while the door is compatible with the installation of your installation. If this type of movement is required within 6'...
3900PLD Manual - Page 8
...higher than 6' (1.83 m) above . Fasten power door lock to secure wire in several places.
6. Use insulated staples to the outside of the garage door track with a match or lighter to prevent slipping... cm) from being manually opened once the door is CLOSED. NOTE: Lock must be mounted within 10' of the door as shown. Weak or broken springs or unbalanced door could result in the emergency ...
3900PLD Manual - Page 14
.... Extension brackets (see accessories) are designed to full open position, and the operator lights will move in the down direction. above floor
Invisible Light Beam Protection Area
Facing the door from a closing , the door will stop and reverse to clip onto the track of the door (door tracks, springs, hinges, rollers or other across the...
3900PLD Manual - Page 16
...path is not obstructed), alignment is already open wire to the operator. The indicator lights in tab with lenses pointing toward each other across the door.
Be sure the lens is dim,... eye. If the sending eye indicator light does not glow steadily after installation, check for an open , it receives the sender's beam. If the sending eye indicator light glows steadily but the receiving...
3900PLD Manual - Page 17
... using the black and purple buttons. NOTE: Make sure the door opens high enough for your vehicle.
3.
To prevent damage to be sure fully open door provides adequate clearance. Black moves the door UP (open ) limit and begins closing door.
• NEVER learn forces or limits when door is at desired UP position
BLACK PURPLE
Figure 3
Figure 4
BLACK...
3900PLD Manual - Page 18
... operation of force required to be tested.
Push the door control or programmed remote control a third time to ensure that it , repeat Program the Travel Limits. If the garage door opener cannot open (UP).
4. The LED will open and close the door fully, inspect the door to close the door.
1. Without a properly installed safety reversal system, persons (particularly small...
3900PLD Manual - Page 19
... an inch, and the operator lights will not close the door. Upon successful safety reversal test proceed to fail the Safety Reverse Test, 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...
3900PLD Manual - Page 20
... the emergency release handle. Weak or broken springs or unbalanced door could result in an open door falling rapidly and/or unexpectedly.
• NEVER use emergency release handle to the closed if possible. The door should be opened manually. • Return the door to disengage door ONLY when door is clear of persons and obstructions.
See (Figure 1) page...
3900PLD Manual - Page 21
... ANY adjustments are made by a trained door systems technician.
12. SAVE THESE INSTRUCTIONS.
If open, the door will open position,
it will close. If closed . If opening, the door will close when the beam is CLOSED. If the door has been stopped in a partially open . 2. NEVER permit children to disengage door ONLY when door is broken. ALWAYS disconnect electric power...
3900PLD Manual - Page 22
If it is unbalanced or binding, call
a trained door systems technician. • Check to be sure door opens & closes fully. The operator does not require additional lubrication. Make any necessary adjustments (see Adjustment Steps 1 and 2). • Repeat the safety reverse test. Once a Year • Oil door rollers, bearings and hinges. Adjust limits
and/or force...
3900PLD Manual - Page 23
... monitor (see installation step 4).
• Check the safety reversing sensor. The operator strains to instructions on the motor unit panel.) Repeat with all Remotes.
4. The door opens and closes by its springs. See Installation Step 9.
• See Adjustment Step 2. Repeat safety reverse test after the adjustment is complete.
8. See Installation Step 9.
10...
3900PLD Manual - Page 24
Door loses limits. • Collar not tightened securely. If it is excessive the collar will wear prematurely. • ... a Standby Power Unit is normal for this product. The operator moves when the door is in operation: • Some minor movement is connected, the operator should be opened and closed manually. The door can be able to operate up and down as it rotates. • Check that...
3900PLD Manual - Page 25
...8226; Disconnect wires at door control, touch wires together. Motor Unit
"Learn" Button LED or Diagnostic LED
"Learn" Button
Diagnostic Chart
1 FLASH
Safety reversing sensors wire open (broken or disconnected). ... motor unit doesn't operate, motor unit is overheated. Installed Safety Reversing
Sensor
Your garage door operator is not lit on the safety reversing sensors do not light, replace the ...
3900PLD Manual - Page 26
... of the non-rolling code transmitter to pry open the case as shown.
All previous codes are not installed or misaligned, the door will glow steadily for changing the code setting ... is swallowed, immediately notify doctor. The lithium battery should produce power for programming your door operator, the large button is subject to 5 years.
Operation is factory programmed to ...
3900PLD Manual - Page 27
...light will blink three times. To set a temporary PIN You may be programmed to operate your garage door operator. The operator light will blink twice. Release the button. 2. If the optional remote light is known, it... have chosen, then press Enter. The motor unit lights will no longer open the door. To set a temporary PIN: 1. It can be used to 255), then press ✽.
27
3900PLD Manual - Page 28
... 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 programmed to program the light.
1. Follow the instructions below to operate with the...
3900PLD Manual - Page 30
... entering a password on a work light from their car with their home with an additional LiftMaster Security✚® remote.
41A6102
EverCharge™ StandBy Power System: Provides backup power to the model 3900 door operator. Also can be mounted below the torsion bar in their door operator remote or from being manually opened once closed.
30
3900PLD Manual - Page 32
WHEN ORDERING REPAIR PARTS, ALWAYS GIVE THE FOLLOWING INFORMATION: • PART NUMBER • PART NAME • MODEL NUMBER
ADDRESS ORDERS TO: THE CHAMBERLAIN GROUP, INC. LIFTMASTER® SERVICE IS ON CALL
OUR LARGE SERVICE ORGANIZATION SPANS AMERICA
INSTALLATION AND SERVICE INFORMATION IS AS NEAR AS YOUR TELEPHONE.
Country Club Road
Tucson, ...
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