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LiftMaster LA400 Support Question

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Question posted by andelu on January 19th, 2014

Liftmaster La400 Wont Open

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Related 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

...of the Pull-to-Open Bracket Determine Position of the "Optional" Push-to-Open Bracket Assemble Gate Post Bracket (Pull-to-Open) Attach Brackets to...(Gate 1) to the Control Box Set the Bipart Delay (Model LA400-S Only) Connect the Gate Operator (Gate 2) to the Control Box (Model LA400-S Only) Junction Box (Model LA400-S Only) Connect Transformer to Control Board Earth Ground Rod Installation (...
LA400 Manual - Page 3

...intended for use in plain view on both the open and close directions of gate travel. Non-contact sensors...(UL325 Class I - SAFETY ACCESSORY SELECTION All UL325 compliant LiftMaster gate operators will accept external entrapment protection devices to protect... housing unit (five or more single family units) hotel, garage, retail store or other locations not intended to complete a proper...
LA400 Manual - Page 4

...the sensor and the gate operator is supplied between the gate and adjacent structures when opening and closing to the installation of entrapment. Activation of a horizontal slide gate are not... or maintained systems can create high levels of force in contact with a separate access opening shall be exercised to prevent unauthorized use conditions. A gate operator can create risks for...
LA400 Manual - Page 5

.... VEHICULAR HORIZONTAL SLIDE GATES fixed object when the gate moves toward the fully open position, subject to the application in accordance with vertical bottom edged fully closed ...supporting hardware. 3.1.4 Positive stops shall be required to limit travel to the designed fully open position. 4.1.1.2 Except for the zone specified in Section 4.1.1.1, the distance between a fixed...
LA400 Manual - Page 6

...and back of FIRE or INJURY to persons use force adjustments to run in BOTH the open into public access ways. ADJUSTMENT Without a properly installed safety reversal system, persons (particularly ... in SEVERE INJURY to persons and/or damage to close gate. • NEVER use only LiftMaster part #K74-30762 for replacement batteries. To prevent SERIOUS INJURY or DEATH from a moving gate...
LA400 Manual - Page 8

... (2.7 m) • Warning Sign (2) • Battery (2) • Plug-in Transformer (1) LA400-S (SECOND GATE OPERATOR ARM) • Motor Cable - Six Conductor, 40 feet (12.2 ...feet (4.9 m) 550 lbs. (249.5 kg) NEMA 3R 14-18 seconds for a 90° opening 4 Minutes -20° C to + 50° C -4° F to -Open Bracket (1) • Hex Bolt 5/16"-18 X 1-1/2" (5) • Square Neck Carriage Bolt 3/8"-16...
LA400 Manual - Page 10

... Control Box with Batteries Hinge Post Bracket Gate Bracket PVC Conduit (not provided) to reduce the risk of entrapment or obstruction exists at either the opening or closing direction. Operator Operator Cable Earth Ground Installation (Optional) 12 Gauge Wire 8 feet (2.4 m) Photoelectric Sensors RIGHT-HAND GATE NOTE: One or more non-contact...
LA400 Manual - Page 11

... Operator Cable Gate 2 Junction Box Extension Cable Photoelectric Sensors PVC Conduit (not provided) to reduce the risk of entrapment or obstruction exists at either the opening or closing direction.
LA400 Manual - Page 13

...187; MANUAL RELEASE + DETERMINE POSITION OF THE PULL-TO-OPEN BRACKET + DETERMINE POSITION OF THE "OPTIONAL" PUSH-TO-OPEN BRACKET MANUAL RELEASE 1 Insert the key into the lock and... SEE ACCESSORIES) The Push-to-Open bracket can be assembled to -Open bracket is now in manual mode. Key 1 2 DETERMINE POSITION OF THE PULL-TO-OPEN BRACKET The Pull-to-Open bracket can be assembled to work ...
LA400 Manual - Page 14

... BRACKETS TO GATE OPERATOR 1 Attach post bracket assembly to operator using pins and hairpin clips. 2 Attach gate bracket to -Open kit 50-19503. INSTALLATION » ASSEMBLE GATE POST BRACKET (PULL-TO-OPEN) + ATTACH BRACKETS TO GATE OPERATOR All the illustrations on top of post bracket. 2 Insert the bolt through both brackets and...
LA400 Manual - Page 21

complete. Use knock outs located at the 4 corners of the control box for best radio reception. 1 Open the control box. The control box door may be mounted to a post with #12 copper wire to one of the two green ground screws inside the control box. Ground Screw Standoffs ALARM ...
LA400 Manual - Page 24

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 if using a... with a decorative overlapping piece on a gate, the gate with the longer travel span (opening) must be installed on the opposite side to open first and close second. If a solenoid lock is preferred that side for example. BIPART DELAY...
LA400 Manual - Page 26

... provided). 6 Secure with 3/4" NPT threaded 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 ... into the holes in the bottom of second operator. WIRING » JUNCTION BOX (MODEL LA400-S ONLY) JUNCTION BOX The following items are required to be used for the watertight connectors....
LA400 Manual - Page 28

...On On On On Off Off Off Off Off Off Off Off Air (1) Conditioner Main Room LA400 Bathroon. Dept. Manu. 2 Rm 27 Manu. 1 Rm Main Dept. EXTERNAL RECEPTACLE 1...and control box. Eug. Local codes and conditions must be plugged into the receptacle inside the house or garage. This will create more space in a dry location that is protected from weather conditions, such as ...
LA400 Manual - Page 38

... INPUT TERMINAL AND COMMON This input functions to reverse a closing gate. Latching this input will have no effect. Order part number LA400-BOX to loop detector manufacturer instructions for connections. Accessories such as a general open control. SHADOW LOOP INPUT TERMINAL AND COMMON This input protects cars by preventing the gate from moving...
LA400 Manual - Page 39

...SHADOW LOOP INPUTS INTERRUPT CHGR OVLD COM F1 20A 32V MOV1 JMPR2 DB1 C64 U2 R9 D1 JMPR1 D4 D2 FUSE OPEN BATT 2 BATT 1 Accessory Power AUXILIARY OUTPUT POWER FOR OPTIONAL DEVICES (2) +24 Vdc Outputs have been tested with screws... for 2 inch (5 cm) round post. Secure the control box cover with the LA400 to control box depending on three sides. (Requires mounting channel.
LA400 Manual - Page 46

...SERVICE INFORMATION, CALL OUR TOLL FREE NUMBER 1-800-528-2806 www.liftmaster.com WHEN ORDERING REPAIR PARTS PLEASE SUPPLY THE FOLLOWING INFORMATION: PART ...LIFTMASTER TWO YEAR LIMITED WARRANTY The Chamberlain Group, Inc. THIS LIMITED WARRANTY DOES NOT 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...
LA400 Manual - Page 47

... Includes mounting hardware. OPEN LM202 02101 OPEN OPEN OPEN 370LM 1-Button Station: ...of the gate. Recommended for a Open, Close, Stop command of cable....Heavy all steel construction. The model LA400 requires two batteries. Can be welded ... Enables homeowner to push the gate open. Commercial Protector System® (Direct...ACCESSORIES 50-19503 Push-to-Open Bracket Used toOPEN allow ...
LA400 Pull to Open Addendum Manual - Page 1

... should be used to mount operator if needed Addendum to 30-degrees of movement in some applications. Place opener against gate post and adjust the opener until the required dimension is being added to the LA400, offering greater mounting flexibility. NOTE: This new bracket is achieved (Figure 1). Figure 1 Gate Post Gate Hinge Point...

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