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LiftMaster LA400 Support Question

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Question posted by TeBob on November 2nd, 2013

Liftmaster Gate Operator La400 Won't Close After Power Was Off

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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

...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

... UL325 compliant LiftMaster gate operators will accept external entrapment protection devices to four single family dwellings, or a garage or parking ...GATE OPERATOR I ) you must have warning signs placed in plain view on both sides of the gate to protect against entrapments in a commercial location or building such as a photoelectric eye can be used for use in both the open and close...

LA400 Manual - Page 4

...during the entire path of force in its wiring arranged so the communication between the gate and adjacent structures when opening and closing to the gate operator for an individual application. 2. c. For a gate operator utilizing a contact sensor such as the perimeter reachable by building structures, natural landscaping or similar obstruction. c. e. One or more contact sensors...

LA400 Manual - Page 5

... specific to the application in accordance with a powered gate operator. 3.2 The following provisions shall apply to Class I, Class II and Class III vehicular horizontal slide gates: 4.1.1.1 The width of an object (such as not to create an entrapment area between a appropriate gate type listed, refer to the designed fully open position shall not exceed 4 inches (102...

LA400 Manual - Page 7

... use separate entrance. • Disconnect ALL power before performing ANY maintenance. • ALL maintenance MUST be performed by a LiftMaster professional. • SAVE THESE INSTRUCTIONS. Pedestrians MUST use only LiftMaster part #K74-30762 for vehicles ONLY. The gate MUST reverse on contact with fuse of FIRE or INJURY to operator BEFORE proceeding. Read the ownerʼ...

LA400 Manual - Page 8

...OPERATOR SPECIFICATIONS + CARTON INVENTORY OPERATOR SPECIFICATIONS Operating Cycles: Main Supply (Motor): Current Consumption: Power Consumption: Battery Charger Supply: Maximum Gate Width: Maximum Gate Weight: Protection Class: Travel Speed: Rated Operating...; Plug-in Transformer (1) LA400-S (SECOND GATE OPERATOR ARM) • Motor ...opening 4 Minutes -20° C to + 50° C -4° F to -Open...

LA400 Manual - Page 16

... the Pull-to-Open bracket to a position as CLOSE AS POSSIBLE above the screwdriver or dowel rod. 5 Insert hex bolt through Pull-to desired open position (no greater than 100°) and hold operator against gate. 2 Place the operator arm against gate post at the desired position. INSTALLATION » POSITION GATE OPERATOR ON GATE POSITION GATE OPERATOR ON GATE NOTE: The post bracket...

LA400 Manual - Page 17

.... 1/2" (1.3 cm) SECURE POST BRACKET TO GATE POST The gate operator (arm) must be level. 1 Mark holes for the post bracket. Flat Washers 3 Hex Nuts Lock Washers 16 2 Carriage Bolts Welder (Optional) INSTALLATION » TEST GATE TRAVEL + SECURE POST BRACKET TO GATE POST TEST GATE TRAVEL NOTE: If gate does not open and close completely adjust the position of the...

LA400 Manual - Page 18

... gate and in the gate area. Gate may require additional reinforcement be level. Reinforcement Area 1 Operator Angle Iron OR Wood OR Flat Bar Welder (Optional) Hex Nut Lock Washer Flat Washer 2 Gate Bracket Hex Bolt 3 WARNING SIGN PLACEMENT Warning signs MUST be installed on the gate. 1 Drill holes in gate (or reinforcement, if necessary) that it opens and closes...

LA400 Manual - Page 21

... 3 feet (0.9 m) of the operator. 2 Connect ground rod with 'U' bolts. Lift the door from the hinges and ALARM LOCK GATE 1 setSOL GND MAGR LEARN XMITTER ON OFF LOCK / BIPA RT DELAY BR GR WH YL BL GATE 1 RD SET OPEN LIMIT SET CLOSE LIMIT LEARN LIMITS aside CLOSE EDGE OPEN EDGE/ PHOTO OPEN PHOTO CLOSE PHOTO ACCESSORY POWER 12 V BR GR WH...

LA400 Manual - Page 22

...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 AUTO OPEN LOW BATT OFF MAX SINGLE BUTTON TIMER TO CLOSE OPEN...to power up additional gate operator accessories. IMPORTANT NOTE: There are two receptacles located inside the control box...

LA400 Manual - Page 23

... 32V BRN D1Ø GRN WHT YEL BLU RED Z12 ACCESSORY POWER GATE 1 BRN GRN WHT U4 YEL BLU RED 3 MAX C13 C4 F6 F2 FUSE OPEN Nut 52 Operator Cable 1 Watertight Connector Nut Terminal blocks can be used for the operator cable. 2 Insert the watertight connector into the bottom of the control box and...

LA400 Manual - Page 25

WIRING » CONNECT THE GATE OPERATOR (GATE 2) TO THE CONTROL BOX (MODEL LA400-S ONLY) CONNECT THE GATE OPERATOR (GATE 2) TO THE CONTROL BOX (MODEL LA400-S ONLY) Before digging, contact local ...POWER 24V GATE 2 BRN GRN WHT YEL BLU RED 3 R4 C2 D15 R196 24 VAC/ SOLAR INPUT 10A 32V P1 U4 MAX C13 C4 F6 F2 GATE 1 BRN GRN WHT YEL BLU RED GATE 2 BRN GRN WHT YEL BLU RED 2 Operator...

LA400 Manual - Page 26

WIRING » JUNCTION BOX (MODEL LA400-S ONLY) JUNCTION BOX The following items are required to be used ... 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) ...

LA400 Manual - Page 31

... button. For proper functionality, the limits must be programmed during programming press the RESET button on the outside of inactivity. 1 Close the gate. 2 Engage the operator by pressing the SBC to the desired OPEN position. If the problem continues, see Troubleshooting section.) Test the limits by turning the release lever clockwise 180°, then...

LA400 Manual - Page 32

... D4 D2 RESET BUTTON 4 Press the GATE 1 right button to close the right operator. OPEN LIMIT CLOSE LIMIT FORCE PROGRAM CLOSE 7 When the SET CLOSE LIMITS LED blinks, press the GATE 2 left button to open and close the left operator. DIAGNOSTIC GATE 1 SET CLOSE 5 Press the GATE 2 right button to blink, repeat programming. SET OPEN LIMIT SET CLOSE LIMIT The control board beeps and the...

LA400 Manual - Page 33

... be exited at any time by pressing the RESET button. DUAL GATE (RIGHT-SIDE PRIMARY OPERATOR) 1 Close the gate. 2 Engage the operator by pressing the SBC to close the gate. 32 OPEN LIMIT SET CLOSE LIMIT FORCE SET CLOSE The control board beeps and the SET OPEN LIMIT and SET CLOSE LIMIT LEDs stop blinking, programming is now complete. (If the SET...

LA400 Manual - Page 38

... INPUTS (P6-7-8 AND 9) TERMINAL P6 - Order part number LA400-BOX to -Close if that feature has been enabled. If a Chamberlain Pulsing Photoelectric Sensor (See Accessories) has been connected to Terminal P8, then this input will pause an opening gate until the obstruction has been removed. OPEN SAFETY PHOTOELECTRIC SENSOR (ENTRAPMENT) This input will pause an...

LA400 Manual - Page 47

... construction. Fail safe operation keeps gate locked if power is 45 feet (13.7 m) 24 V. To order visit www.liftmaster.com 46 GC824-12 3-Button Mini-Remote Control with sensing probe is housed in case of an emergency. The model LA400 requires two batteries. SECURITY✚® Keyless Entry : Enables homeowner to push the gate open. Includes mounting...