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LiftMaster LA400 Support Question

LiftMaster LA400 Support Question

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Question posted by stokescr on March 25th, 2013

Gates Are Open And Will Not Close. I Get 3 Beeps When I Attempt To Close The Ga

Model LA400.  Gates will not close.  I get 3 beeps when I attempt to close the gates.  Which translates to Gate 2 Arm Disengaged.  What does that mean and what action can I take?

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Related LiftMaster LA400 Manual Pages

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...
LA400 Manual - Page 3

... Type A inherent (built into the operator) entrapment sensing and at least one independent secondary means of the three UL325 classes. Examples include sirens, horns or buzzers. SAFETY » UL325 MODEL CLASSIFICATIONS CLASS I CLASS II CLASS III Swing & Gate Barrier (Arm) Operator Primary Type A A, B1 or B2 Secondary Type A, B1 or B2 A, B1, B2 or...
LA400 Manual - Page 6

...gate: • Install warning signs on a dedicated circuit and well protected. Operator MUST be enclosed in fire. We recommend that time the unit may explode. To AVOID damaging gas...individual. • DO NOT install ANY wiring or attempt to run in separate conduit. • BEFORE ... the gate in PLAIN VIEW. • Permanently secure each warning sign in BOTH the open and close gate. ...
LA400 Manual - Page 8

... CARTON INVENTORY Carton inventory is doubled except 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) &#...8226; Battery (2) • Plug-in Transformer (1) LA400-S (SECOND GATE OPERATOR ARM) • Motor Cable - For Primary (Gate 1) and Secondary (Gate 2) installation the carton inventory is based on a Single...
LA400 Manual - Page 12

...Mounting locations vary depending on type and style of the gate operator arm. Gate and gate post MUST be supported entirely by its hinges. B Remove ANY/ALL wheels from the bottom of your gate. RECOMMENDED: = Gate post bracket mounting locations = Gate bracket mount locations OPTIONAL: = Gate post bracket mounting locations = Gate bracket mount locations 11 INSTALLATION » CHECK YOUR...
LA400 Manual - Page 16

The gate operator (arm) must be mounted several places on gate for mounting options. 1 Open the gate to -Open bracket and post bracket and secure with clamp. Temporarily secure the gate bracket using a clamp. 4 Align 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...
LA400 Manual - Page 17

...) SECURE POST BRACKET TO GATE POST The gate operator (arm) must be level. 1 Mark holes for the post bracket. 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 1 gate bracket and mark new mounting holes. 1 Manually open and close the gate. 2 Ensure that the...
LA400 Manual - Page 18

... the gate and in plain view. 1 Fasten warning signs to the next page. 17 Inside Property Moving Gate Can Cause Injury or Death KEEP CLEAR! INSTALLATION » SECURE GATE BRACKET TO GATE + WARNING SIGN PLACEMENT SECURE GATE BRACKET TO GATE The gate operator (arm) must use separate entrance Some installations may move the gate to verify that it opens and closes...
LA400 Manual - Page 21

... AC PWR /SOLAR LOOP INPUTS 20 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 YL...
LA400 Manual - Page 22

... 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 AUTO OPEN LOW BATT OFF MAX SINGLE BUTTON TIMER TO CLOSE OPEN CONTROL INPUTS SINGLE BUTTON RESET OFF MAX STOP CTRL PWR...
LA400 Manual - Page 31

... programming times-out automatically after 60 seconds of the control box to the desired OPEN position. SINGLE ARM LEFT-HAND SIDE PROGRAM OPEN 3 Press the LEARN LIMITS button (SET OPEN LIMIT LED will beep. LIMIT LIMIT 5 When gate is in the desired closed position, SET press the LEARN LIMITS button again. For proper functionality, the limits must...
LA400 Manual - Page 32

... board SET SET GATE 2 will blink). SET CLOSE LIMIT LE LIMIT GATE 2 FORCE 8 Press the GATE 1 left operator. SET OPEN LIMIT SET CLOSE LIMIT The control board beeps and the SET OPEN LIMIT and SET CLOSE LIMIT LEDs stop blinking, programming is overlapping must be set as the primary gate (GATE 1). • If one gate is overlapping the other gate; Programming times-out...
LA400 Manual - Page 33

... LED will beep. 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 being used. • The programming can be exited at any time by pressing the RESET button. SET CLOSE LIMIT LE LIMITS 6 Press the LEARN LIMITS SET SET GATE 2 OPEN CLOSE button. LEARN...
LA400 Manual - Page 38

... LOOP INPUT TERMINAL AND COMMON This input functions to the open . Activating this input while the gate is closing gate to reverse a closing gate. Activating this input with a Chamberlain Pulsing Photoelectric Sensor (See Accessories) connected to Terminal P8 while the gate is closing will pause an opening gate until the obstruction has been removed. The Timer-to...
LA400 Manual - Page 40

... for normal daily operation and you can be disengaged from the gate. The next command given by pressing the reset button. Reset the control board by remote control or SBC on the control board will close the gate and return the operator to -Close feature is in the open position for any extended period of the...
LA400 Manual - Page 43

...20A 32V COM MOV1 JMPR2 DB1 C64 U2 R9 D1 JMPR1 D4 D2 FUSE OPEN BATT 2 BATT 1 2 OR EDGE 3 OR EDGE EDGE CPS-LN4 ...MEANING No Stop Switch Connected Gate 1 Arm Disengaged Gate 2 Arm Disengaged Both Gate Arms Disengaged RPM Reversal # OF BLINKS 6 7 8 9 10 42 MEANING Force Reversal Processor Reset ROM Check Failed RAM Check Failed EEPROM Check Failed - LOOP INPUTS, SAFETY/SHADOW 9. CLOSE...
LA400 Manual - Page 44

... beeps (3 times) when command is given, but the operator does not move. Clear gate from obstruction. Move accessories to -Close section for instructions. Clear all Open/Safety devices from obstruction. Check STOP connections. See Force Adjustment section. See Installation section for proper installation of accessory. Check proper installation of operator arm. GATE...
LA400 Manual - Page 45

... Alarm (XLM Control Box) GATE OPERATOR ARM 22 33 ITEM PART # ...DESCRIPTION QTY 1 41ASWG-442SA Release Lever 1 2 41ASWG-438SA Motor with Limit 1 11 Switch Harness 3 41ASWG-0014SA Rear Connector 1 4 41ASWG-489 Cable 24 V with Connector 1 Not Shown 41ASWG-0119 Release Key 1 K77-19130 Hardware Bag Complete with: Gate bracket, post bracket, Pull-to-Open...
LA400 Manual - Page 47

... mounting hardware. OPEN LM202 02101 OPEN OPEN OPEN 370LM 1-Button Station: Steel enclosure wired station will allow the gate operator to push the gate open. Gate Solenoid Lock: Heavy all steel construction. Fail safe operation keeps gate locked if power is easy to integrate with gate, providing for free exit only. Requires separate power supply (Model ARMP5). The model LA400 requires two...
LA400 Push to Open Addendum Manual - Page 2

... holes must be level Fence Post Gate in OPEN Position Gate Bracket C Clamp Gate in Open Position LEVEL Horizontal Cross Member Mark cross member through middle of gate bracket slots and drill 11/32"... terminals in place at this time (Figures 4 & 6). Install control board and mounting plate. 8. Close cover of post bracket slots (Figure 5). 10. Drill 13/32" holes in place, remove clevis ...

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