LiftMaster LA400 Support Question
LiftMaster LA400 Support Question
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Question posted by jfloKar on June 6th, 2014
Liftmaster La400 Gate Opener Won't Close All The Way
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Current Answers
Related LiftMaster LA400 Manual Pages
LA400 Manual - Page 2
...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...to-Close
...
LA400 Manual - Page 3
....
SAFETY ACCESSORY SELECTION
All UL325 compliant LiftMaster gate operators will accept external entrapment protection devices to four single family dwellings, or a garage or parking area associated therewith. Below... VEHICULAR GATE
OPERATOR
I - CLASS II - Type B2: Connections provided for use on both the open and close directions of gate travel.
For Example: For a slide gate system ...
LA400 Manual - Page 6
...SERIOUS INJURY or DEATH from a moving gate:
• Entrapment protection devices MUST be enclosed in BOTH the open into public access ways. WIRING
To reduce the risk of entrapment...SERIOUS INJURY or DEATH from a moving gate and RIGID objects, such as posts.
• A swinging gate shall NOT open and close gate. • NEVER use only LiftMaster part #K74-30762 for disposal instructions....
LA400 Manual - Page 15
...on the back page of metal or wood) to the gate post to -Open bracket.
Gate Post Gate Hinge Point
Gate Post
Gate Hinge Point
Gate Post
Gate Hinge Point
Operator Hinge Point
7" (18 cm)
7"... THE GATE BRACKET
Before proceeding, begin with the gate in front of the gate post.
3
TAPE MEASURE METHOD
1 Close the gate. 2 Place the measuring tape under the center of the gate hinge point...
LA400 Manual - Page 21
... removed by opening the
door 90°. Ground Screw
Standoffs
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 1
CLOSE PHOTO
SET CLOSE LIMIT
LEARN LIMITS
FORCE
GATE 2
ON OFF...
LA400 Manual - Page 24
... the same side as the primary gate (GATE 1).
1 Set the Bipart Delay to open first and close second.
If there is called the Primary gate and needs to be set as this gate. The following illustration shows a dual gate configuration with a decorative overlapping piece on one gate will need to desired setting. Primary Gate
OUTSIDE PROPERTY
23
BIPART DELAY...
LA400 Manual - Page 31
... BUTTON
4 Press the Gate 1 right button to move gate to open position and the fully closed position. DIAGNOSTIC
GATE 1
SET CLOSE
PROGRAM CLOSE
6 When the SET CLOSE LIMIT LED blinks, press the Gate 1 right button.
LIMIT
LIMIT
5 When gate is now complete. (If the SET OPEN LIMIT LED continues to determine if the gate is in the desired closed position,
SET
press the...
LA400 Manual - Page 32
... LEARN LIMITS button (SET OPEN LIMIT LED will beep. SET CLOSE LIMIT
LE LIMIT
GATE 2
FORCE
8 Press the GATE 1 left operator.
DUAL GATE (LEFT-SIDE PRIMARY OPERATOR)
1 Close the gate.
2 Engage the operator by pressing the SBC to open the left button to open and close the gate.
31
DIAGNOSTIC
GATE 1
SET CLOSE
5 Press the GATE 2 right button to be closed
first if there is...
LA400 Manual - Page 33
... must be exited at any time by pressing the SBC to open and close the gate.
32 LEARN LIMITS button
SET OPEN LIMIT
R2 K2 U4
D4 D2
RESET BUTTON
4 Press the GATE 1 left operator. SET CLOSE LIMIT
LE LIMITS
6 Press the LEARN LIMITS
SET
SET
GATE 2
OPEN
CLOSE
button.
Programming times-out automatically after 60 seconds of inactivity...
LA400 Manual - Page 34
... the Single Button Control (SBC) button on the control board, open and then close the gate.
2 If the gate stops or reverses before reaching the fully open until the operator receives another command from the loops, close edges and close photoelectric sensors (IR's).
33
TIMER TO CLOSE
TIMER TO CLOSE
1
OFF MAX
D4 D2 The range is 0 to the...
LA400 Manual - Page 38
... part number LA400-BOX to -Close if that feature has been enabled.
Refer to open . OPEN SAFETY EDGE/PHOTOELECTRIC SENSOR (ENTRAPMENT)
CLOSE PHOTO
If an Open Edge device or a Retro-Reflective Photoelectric Sensor has been
connected to Terminal P8, then this input while the gate is closing gate to open . Upon removing the obstruction, the gate will reverse an opening gate until the...
LA400 Manual - Page 39
...the LA400 to control box depending on three sides. (Requires mounting channel. Miller MGR20 2-wire electric edge in 5 feet (1.5 m) lengths for gates....CLOSE EDGE
OPEN EDGE/ PHOTO
Z9 OPEN PHOTO
Z8 CLOSE PHOTO
24V
ACCESSORY
R9Ø
POWER
24V
R1Ø1
FORCE
GATE 2 TIMER RUNNING
BIPART DELAY
TIMER TO SINGLE CLOSE BUTTON
COM OVLD OVLD
OPEN
SWITCHED ACCESSORY
POWER
CONTROL INPUTS
GATE...
LA400 Manual - Page 40
... 180°. No commands will sound under the following condition: If gate encounters two consecutive obstructions, before reaching the open the gate fully, then press the reset button. To set Party Mode: open or close the gate and return the operator to leave the gate(s) in the closed manually.
ENGAGE
1 Turn the release lever clockwise 180°.
When...
LA400 Manual - Page 42
...
9
Connector P5
10
Connector P16
11
Connector P13
12
Connector P17
13
Connector P14
FUNCTION
Antenna Input Close Edge Open Edge/Photo Open Photo Close Photo Switched Accessory Power* Control Inputs Loop Inputs 24 Vac Input Gate 2 Accessory Power* Gate 1 Maglock/Solenoid
*See page 38 for max current draw
ITEM DESCRIPTION 14 Connector P15 15 Connector...
LA400 Manual - Page 43
...
2
S1
F3
K2
18
19 DIAGNOSTIC
K1
Q9
SET OPEN
LIMIT
20 GATE 1
SET CLOSE LIMIT
LEARN LIMITS
R2ÿ 7
Z2ÿ R227
J18
R224
Z22 R92 U4
R91 R94
R93
CLOSE EDGE
OPEN EDGE/ PHOTO
Z9 OPEN PHOTO
Z8 CLOSE PHOTO
24V
ACCESSORY
R9ÿ
POWER
24V
GATE 2
BRN GRN WHT YEL BLU RED
10A 32V
R4...
LA400 Manual - Page 44
... respond to run, then stops and does not reverse. GATE STOPS Gate starts to any commands.
GATE'S DO NOT OPEN/ CLOSE IN SYNC
GATE DOES NOT AUTOMATICALLY CLOSE Auto Close Timer not closing gate.
1) Low battery. 2) Gate met an obstruction.
1) Constant Open Command (Check LED's). 2) Timer-to-Close not set. 3) Accessory device wired to Open Only
command. 1) Battery Low >23.5 V
1) Bipart Delay not...
LA400 Manual - Page 46
...COVER ANY PROBLEMS WITH, OR RELATING TO, THE GARAGE DOOR OR GARAGE DOOR HARDWARE, INCLUDING BUT NOT LIMITED TO THE DOOR SPRINGS, DOOR ROLLERS, DOOR ALIGNMENT OR HINGES. NO PERSON IS AUTHORIZED TO ASSUME...by this product, for warranty repair. Country Club Road Tucson, AZ 85706
WARRANTY POLICY
LIFTMASTER TWO YEAR LIMITED WARRANTY The Chamberlain Group, Inc. Some states do not allow the ...
LA400 Manual - Page 47
... detector with sensing probe is housed in case of an emergency.
ACCESSORIES
50-19503
Push-to-Open Bracket Used toOPEN allow for a Open, Close, Stop command of the gate. Recommended for increasing the effective range of cable.
Magnetic Gate Lock: Outdoor magnetic lock, transformer, junction box, mounting plate and hardware.
373LM 86LM 377LM
3-Button SECURITY...
LA400 Push to Open Addendum Manual - Page 2
... for gate bracket.
12. Open the control box cover. 3. Reconnect all quick connect terminals to operator. 2. Adjust operator until assembly is level.
Replace both batteries. 6. Disconnect power to the control board. 9. Install control board and mounting plate. 8. Reconnect power to operator BEFORE proceeding. Remove all wire connections for replacement batteries.
Close...
LA400 Pull to Open Addendum Manual - Page 2
... level
C-Clamp
Actuator Side
Pin
Gate Bracket
Hairpin Clip
C-Clamp
Disengage the operator by inserting the key and rotating the handle (Figure 3). Move the gate manually to post and gate with c-clamps. Figure 3
Figure 4
01-33464
©2006, The Chamberlain Group, Inc. ATTACH THE OPERATOR
Secure brackets to the fully open and fully closed positions.
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