LiftMaster LA400 Support and Manuals
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Most Recent LiftMaster LA400 Questions
Won't Reset
settings the open and close limits and after I set one it goes back to set the other one and so on b...
settings the open and close limits and after I set one it goes back to set the other one and so on b...
(Posted by chadmq 9 months ago)
Liftmaster La400 - Power On, Stop On, Close Edge On
Liftmaster LA400 - POWER LED steady on, STOP LED steady on, CLOSE EDGE LED steady on (but I don't ha...
Liftmaster LA400 - POWER LED steady on, STOP LED steady on, CLOSE EDGE LED steady on (but I don't ha...
(Posted by richard86209 1 year ago)
Can't Set Limits
When pressing learn limits button to save after setting limits, open limit light flashes again, star...
When pressing learn limits button to save after setting limits, open limit light flashes again, star...
(Posted by nhidalgo 1 year ago)
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...
the motor on my la400 makes loud motor noise when in operation. How do I fix that? It's only about 1...
(Posted by Mwdornan 2 years ago)
Gate Will Only Open. The Motor Will Not Switch It To Close
it's an older wired on
it's an older wired on
(Posted by Mo424mo 2 years ago)
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Popular LiftMaster LA400 Manual Pages
LA400 Manual - Page 1
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 & 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.
LA400 Manual - Page 2
...Remote Control Manual Release Maintenance
TROUBLESHOOTING
Basic Control Board Layout Wiring Diagram Diagnostic Codes Troubleshooting Chart
REPAIR PARTS
Control Box Gate Operator Arm How to Order Repair Parts
WARRANTY POLICY
ACCESSORIES
TEMPLATE
SAFETY » SAFETY SYMBOL AND SIGNAL WORD REVIEW
When you see this manual and follow all safety instructions.
• DO NOT attempt repair or service...
LA400 Manual - Page 20
INSTALLATION » STANDARD CONTROL BOX
INSTALL THE CONTROL BOARD
NOTE: Make sure the battery leads are on the left side of the control box and not pinched.
1 Attach the antenna. 2 Reinstall the batteries, control board, alarm and reset button.
1 2
Coaxial Connector
Reset Button Connections Alarm
19
LA400 Manual - Page 24
... the
control box be installed on Control Board. The range is 0 to Gate 1 Connector on the same side as the primary gate (GATE 1).
1 Set the Bipart Delay to be set as this gate. If a solenoid lock is being used on the outside of the gate. WIRING » SET THE BIPART DELAY (MODEL LA400-S ONLY)
SET THE BIPART DELAY (MODEL LA400-S ONLY)
In some dual gate installations, one gate or...
LA400 Manual - Page 28
... CONTROL BOARD
CONNECT TRANSFORMER TO CONTROL BOARD
NOTE: All power wiring should be located in the standard control box for suitability of wire installation.
Dept. Control Box
1
Transformer
Circuit Panel
Refer. Eug. Serve 1
Off
Off
Off
Off
Off
Off
On
On
On
On
On
On
On
On
Off
Off Off Off
Off
Off
Off
Off
Air (1) Conditioner
Main Room
LA400...
LA400 Manual - Page 29
... the outlet plate. Both batteries are the main source of the control board marked . ALARM MAGLOCK
Z1 GATE 1
ACCESSORY POWER
GATE 2 R4
J4
FUSE FUOSPEEN OPEN
D15 C2
MOV2
Control Box
R4 C2 J4
24 VAC/ SOLAR INPUT
Ground Screw
12 Gauge Wire
3' (0.9 m)
Earth Ground Installation (Optional)
8' (2.4 m)
CONNECT BATTERIES
The batteries are charged in circuit using the transformer (provided).
LA400 Manual - Page 31
...
DIAGNOSTIC
GATE 1
SET CLOSE
5 When gate is made during the installation process.
SET OPEN LIMIT
SET CLOSE LIMIT
The control board beeps and the SET OPEN LIMIT and SET CLOSE LIMIT LEDs stop blinking, programming is now complete. (If the SET OPEN LIMIT LED continues to determine if the gate is in the desired position, press
the LEARN LIMITS button again. The specific buttons...
LA400 Manual - Page 32
...the left operator.
If the problem continues, see Troubleshooting section.) Test the limits by pressing the RESET button. ADJUSTMENT » LIMITS
LIMITS
NOTES: • The gate with the longer travel span (opening) must be set as the primary gate (GATE 1). • If one gate is overlapping the other gate; DUAL GATE (LEFT-SIDE PRIMARY OPERATOR)
1 Close the gate.
2 Engage the operator by...
LA400 Manual - Page 33
... into the OPEN position.
PROGRAM CLOSE
7 When the SET CLOSE LIMITS LED blinks, press the GATE 2 right button to open the right operator. If the problem continues, see Troubleshooting section.) Test the limits by pressing the SBC to close the right operator. Programming times-out automatically after 60 seconds of inactivity. Control LIMIT
LIMIT
FORCE
board will start...
LA400 Manual - Page 35
...SERVICEABLE PARTS. Operation is stopping at the OPEN and CLOSE
limits.
3 Test the force by making sure the gate will stop and reverse on the keypad. TO ADD OR REPROGRAM A REMOTE CONTROL (NOT PROVIDED)
1
Remote Control... code setting or replacing the battery. All previous codes are programmed. PROGRAMMING » REMOTE CONTROLS + KEYLESS ENTRY + ERASE ALL CODES + TEST
A combined total ...
LA400 Manual - Page 40
... resetting. ENGAGE
1 Turn the release lever clockwise 180°. Reset the control board by remote control or SBC on the control board will open position, activation of the remote control button will close the gate.
This locks the release lever.
3 Remove the key and store in the closed manually. No commands will close limit, the operator will stop the...
LA400 Manual - Page 44
... 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 -Close section for adjustment instructions.
Replace control board. Replace arm. Clear gate from obstruction. Rewire desired accessory device to run, then stops and does not reverse. Check DIAG code, clear obstruction. GATE STOPS Gate starts...
LA400 Manual - Page 45
... K76-35364
DESCRIPTION
QTY
Control Board
1
Control Box & Cover
with Gasket
1
Control Board Bracket
1
Reset Switch
1
Antenna
1
Battery
2
Transformer
1
Alarm
1
Not Shown
ATC Fuse Kit Includes 20 Amp (1), 15 Amp (2)
Receiver Module - 390 MHz
Receiver Module - 315 MHz
Reset Switch (XLM Control Box)
Alarm (XLM Control Box)
GATE OPERATOR ARM 22
33
ITEM PART #
DESCRIPTION
QTY...
LA400 Manual - Page 46
... WITH THE SALE OF THIS PRODUCT. REPAIR PARTS » HOW TO ORDER REPAIR PARTS
HOW TO ORDER REPAIR PARTS
OUR LARGE SERVICE ORGANIZATION SPANS AMERICA
FOR INSTALLATION AND SERVICE INFORMATION, CALL OUR TOLL FREE NUMBER
1-800-528-2806
www.liftmaster.com
WHEN ORDERING REPAIR PARTS PLEASE SUPPLY THE FOLLOWING INFORMATION: PART NUMBER DESCRIPTION MODEL NUMBER
ADDRESS ORDER TO:
THE CHAMBERLAIN GROUP, INC...
LA400 Manual - Page 47
... solenoid-activated release. Magnetic Gate Lock: Outdoor magnetic lock, transformer, junction box, mounting plate and hardware.
373LM 86LM 377LM
3-Button SECURITY✚®OPENRemote Control : Includes visor clip.
29-NP712
Remote Antenna Mounting Kit:
Kit contains antenna bracket and 15 feet (4.6 m) of remote controls.
The model LA400 requires two batteries.
Can be released...
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