LiftMaster LA400 Support Question
LiftMaster LA400 Support Question
Find answers below for this question about LiftMaster LA400.Need a LiftMaster LA400 manual? We have 3 online manuals for this item!
Question posted by Mwdornan on March 1st, 2022
Why Does My La400 Gate Opener Make So Much Noise
the motor on my la400 makes loud motor noise when in operation. How do I fix that? It's only about 1 year old
Current Answers
Answer #1: Posted by SonuKumar on March 2nd, 2022 7:38 AM
SonuKumar
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Related LiftMaster LA400 Manual Pages
LA400 Manual - Page 1
LA400 & LA400-S
MEDIUM DUTY SWING GATE OPERATOR
OWNER'S MANUAL
MeBtOoLaaxplrtC(giXooennLMatrl)ol
Serial # Primary Arm Serial # Secondary Arm Serial # Control Box Installation Date
The LA400 is intended for use with vehicular swing gates. The operator can be used in Class I, Class II and Class III applications.
2 YEAR WARRANTY
Radio Receiver Built on Board
315 MHz
LA400 Manual - Page 2
...-to-Open) Attach Brackets to Gate Operator Determine Mounting Location Measuring and Marking for the Gate Bracket Position Gate Operator on Gate Test Gate Travel Secure Post Bracket to Gate Post Secure Gate Bracket to Gate Warning Sign Placement Standard Control Box Large Metal Control Box (XLM)
WIRING
Connect the Gate Operator (Gate 1) to the Control Box Set the Bipart Delay (Model LA400-S Only...
LA400 Manual - Page 3
...open and close directions of one to protect people from motorized gate systems. UL325 requires that the installation must sense and initiate the reverse of the gate within the operator... a garage or parking area associated therewith.
UL325 ENTRAPMENT PROTECTION REQUIREMENTS
GATE OPERATOR ENTRAPMENT PROTECTION
UL325 Installation
CLASS
CLASS I -
A contact device such as a gate edge ...
LA400 Manual - Page 4
... risks for an individual application.
2. Therefore, safety features must be properly installed and work freely in the lineof-sight of the vehicular gate.
6. The operator is not subject to mechanical damage. b. Swinging gates shall not open position. Care shall be incorporated into every design. d. A wireless contact sensor shall function under , around or through the...
LA400 Manual - Page 5
...Gate Construction. fully closed positions. VEHICULAR HORIZONTAL SLIDE GATES
fixed object when the gate moves toward the fully open and
1.8 Gates shall be designed, constructed and installed such that covers in the open... gate, when the operator requires replacement,
horizontal swing gates:
shall be upgraded to conform to the provisions of the adjacent fence that the gate covers in the open ...
LA400 Manual - Page 6
... INJURY to persons use force adjustments to do so may explode. To prevent SERIOUS INJURY or DEATH from a moving gate and RIGID objects, such as posts.
• A swinging gate shall NOT open into public access ways. Check with proper operation of safety reversal
system. • NEVER increase force beyond minimum amount required to close...
LA400 Manual - Page 8
... • Plug-in Transformer (1)
LA400-S (SECOND GATE OPERATOR ARM)
• Motor Cable - IP56 (1) •...Open Bracket (1) • Hex Bolt 5/16"-18 X 1-1/2" (5) • Square Neck Carriage Bolt 3/8"-16 X 6" (2) • Hex Nut 3/8"-16 (2) • Hex Nut 5/16"-18 (5) • Flat Washer 5/16" (5) • Flat Washer 3/8" (5) • Lock Washer 5/16" (5) • Lock Washer 3/8" (5) • Gate...
LA400 Manual - Page 21
... gate operator.
1
90°
Mount the control box as high as possible for
3
wall or column mounting.
ALARM
LOCK
SOL GND MAGR
GATE 1 BR GR WH YL BL RD
ACCESSORY POWER
12 V
BR GR WH YL BL RD GATE 2
LEARN XMITTER
ON
OFF
LOCK /
BIPA RT DELAY
CLOSE EDGE
OPEN EDGE/ PHOTO
OPEN PHOTO
SET OPEN LIMIT
GATE...
LA400 Manual - Page 24
... BIPART DELAY (MODEL LA400-S ONLY)
SET THE BIPART DELAY (MODEL LA400-S ONLY)
In some dual gate installations, one gate or if using a
solenoid lock, for the control box, then mount the control box on the opposite side, but connect the operator closest to the control box to the Gate 2 connector and
1
the operator on the opposite side...
LA400 Manual - Page 26
... port holes
• Screws • PVC Conduit
1
1 Open the junction box by removing screws (4) and set aside.
2 Select holes to complete the junction box installation:
• 4 x 4 Junction Box with connector nut. 3
Junction Box Cover
Junction Box
KKnoncokckOOutut JJuunncctitoionnBBooxx
5'W(1it.h5inm)
Gate Operator (Gate 2)
Junction Box Extension Cable
ConCnoencnetcotorr Nut
6
Nut...
LA400 Manual - Page 34
... on the control board prior to the OFF position, then the gate will remain open until the operator receives another command from the loops, close edges and close photoelectric ...reversal system MUST be tested. FORCE
D4 D2
FORCE
2
OFF MAX
3 Run operator through a complete cycle.
4 Test the force by making sure the gate will stop . ADJUSTMENT » FORCE ADJUSTMENT + TIMER-TO-CLOSE (TTC)...
LA400 Manual - Page 35
... device may not cause harmful interference, and (2) this receiver and/or transmitter are made, test the operator:
1 Use the Single Button Control (SBC) button to open and close the gate. 2 Test the limits by making sure the gate will stop and reverse on control board until all remote controls are now erased.
TEST After any...
LA400 Manual - Page 38
... INPUT TERMINAL AND COMMON This input protects cars by preventing the gate from moving .
Order part number LA400-BOX to Terminal P8 while the gate is opening gate for connections. The Timer-to-Close will continue to the open control. Latching this input with an Open Edge device or a Retro-Reflective
Photoelectric Sensor connected to Terminal P8...
LA400 Manual - Page 39
...NO
NC PHOTO
S1
K2
DIAGNOSTIC
GATE 1
K1
Q9
SET OPEN
LIMIT
SET CLOSE LIMIT
LEARN LIMITS
R2Ø7
Z2...30 feet (9 m) Ranges
VOLTAGE +24 Vdc
Emitter with the LA400 to control box depending on three sides. (Requires mounting channel...wire electric edge in 5 feet (1.5 m) lengths for optional devices
Make sure the rubber seal around the cover is in motion. ADDITIONAL FEATURES...
LA400 Manual - Page 40
... the remote control has been programmed operator will sound under the following condition: If gate encounters two consecutive obstructions, before reaching the open the gate fully, then press the reset button. With an operator, the release action may sometimes feel stiff/jerky, which is now engaged. 39
2
3
2
3 This engages the motor.
1
2 Turn the key clockwise 180...
LA400 Manual - Page 44
....
1) Low Battery. 2) Cable wiring between control box and
operator arm disconnected or loose. 3) Batteries not connected. 4) Bad motor. 5) Bad control board.
1) Gate met an obstruction. 2) Force set . 2) Limits not programmed correctly. 3) Incorrect Arm Installation 1) Timer-to-Close not turned on. 2) Gate has opened on next page to Open Only
command. 1) Battery Low >23.5 V
1) Bipart Delay not...
LA400 Manual - Page 46
... A PARTICULAR PURPOSE, ARE LIMITED IN DURATION TO THE TWO YEAR LIMITED WARRANTY PERIOD SET FORTH ABOVE, AND NO IMPLIED WARRANTIES ...GARAGE DOOR OR GARAGE DOOR HARDWARE, INCLUDING BUT NOT LIMITED TO THE DOOR SPRINGS, DOOR ROLLERS, DOOR ALIGNMENT OR HINGES. Technical Support Group 6050 S. THIS LIMITED WARRANTY DOES NOT COVER NON-DEFECT DAMAGE, DAMAGE CAUSED BY IMPROPER INSTALLATION, OPERATION...
LA400 Manual - Page 47
...access system battery is lost. The model LA400 requires two batteries.
Gate Solenoid Lock: Heavy all steel construction. Requires separate power supply (Model ARMP5).
OPEN
LM202
02101
OPEN OPEN
OPEN
370LM
1-Button Station:
Steel enclosure wired station will allow the gate operator to push the gate open. Fail safe operation keeps gate locked if power is a replacement battery for free...
LA400 Push to Open Addendum Manual - Page 2
... C clamp. Close cover of post bracket slots (Figure 5).
10. 7. With gate open and operator in use ONLY Chamberlain part #K74-30762 for reinstallation. 4.
Once brackets are clamped in place at this time (Figures 4 & 6). Mark reference points for gate bracket.
12. Secure gate bracket to gate post with 5/16" carriage bolts, flat washers, lock washers and nuts...
LA400 Pull to Open Addendum Manual - Page 1
... Hole
Can also be used to mount operator if needed
Addendum to LA400 Owner's Manual
Acceptable Configurations (will vary based on the gate post. LA400 BRACKET CONFIGURATIONS
Assemble bracket. Typical 4" Post Hole
NOTE: The addition of movement in some applications.
Place opener against gate post and adjust the opener until the required dimension is being added to...
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