LiftMaster LA400 Support Question
LiftMaster LA400 Support Question
Find answers below for this question about LiftMaster LA400.Need a LiftMaster LA400 manual? We have 3 online manuals for this item!
Question posted by dtieu on August 19th, 2012
Would The Opener Still Work When The Battery Dead? Mine Is Liftmaster Model 3850
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Related LiftMaster LA400 Manual Pages
LA400 Manual - Page 2
...the Pull-to-Open Bracket Determine Position of the "Optional" Push-to-Open Bracket Assemble Gate Post Bracket (Pull-to-Open) Attach Brackets ... 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 (Optional) Connect Batteries
1-6
1 2 3 ...
LA400 Manual - Page 3
...four single family dwellings, or a garage or parking area associated therewith. That...requirements for each gate application.
SAFETY » UL325 MODEL CLASSIFICATIONS
CLASS I CLASS II
CLASS III
Swing & Gate... (five or more single family units) hotel, garage, retail store or other locations not intended to ... SELECTION
All UL325 compliant LiftMaster gate operators will accept external entrapment protection...
LA400 Manual - Page 4
... reachable by building structures, natural landscaping or similar obstruction. Swinging gates shall not open position. Reference owner's manual regarding placement of non-contact sensor for vehicles. b....sensor: a. A hard wired contact sensor shall be properly installed and work freely in the open into account the possible hazards associated with the vehicular gate during the entire...
LA400 Manual - Page 6
... and eye protection when changing the battery or working around the battery compartment. • DO NOT use only LiftMaster part #K74-30762 for replacement batteries. To AVOID damaging plug-in transformer... moving gate and RIGID objects, such as posts.
• A swinging gate shall NOT open and close gate. • NEVER use force adjustments to compensate for disposal instructions. The ...
LA400 Manual - Page 7
...DEATH.
• Use the emergency release ONLY when the gate is for replacement batteries. Have a
qualified service person make repairs to operator BEFORE proceeding. Failure to persons...maintenance. • ALL maintenance MUST be performed by a LiftMaster professional. • SAVE THESE INSTRUCTIONS. Pedestrians MUST use only LiftMaster part #K74-30762 for vehicles ONLY. NO ONE SHOULD...
LA400 Manual - Page 8
... - Six Conductor, 9 feet (2.7 m) • Warning Sign (2) • Battery (2) • Plug-in Transformer (1)
LA400-S (SECOND GATE OPERATOR ARM)
• Motor Cable - INTRODUCTION » OPERATOR ... 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 ...
LA400 Manual - Page 10
... lawn mowers and string trimmers. INSTALLATION » OVERVIEW OF TYPICAL INSTALLATION
LEFT-HAND GATE
Warning Sign
Antenna Control Box with Batteries
Photoelectric Sensors
12 Gauge Wire
PVC Conduit (not provided) to protect the low voltage wire from lawn mowers and string trimmers...exercised to reduce the risk of entrapment or obstruction exists at either the opening or closing direction.
LA400 Manual - Page 11
... GATE
Warning Sign Hinge
Antenna
Post Bracket
Gate Bracket
Gate 1
Control Box with Batteries
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. Photoelectric Sensors
12 Gauge Wire
8 feet (2.4 m)
Earth Ground Installation...
LA400 Manual - Page 13
... the type of installation you will require.
1
LEFT-HAND GATE
RIGHT-HAND GATE
12 Key
1
2
DETERMINE POSITION OF THE PULL-TO-OPEN BRACKET
The Pull-to-Open bracket can be assembled to work on a Left-Hand or a Right-Hand gate.
1 Review the gate types and select the type of installation you will damage...
LA400 Manual - Page 15
...Measure 7 inches (18 cm) from the previous mark.
5
5 Use the screwdriver or dowel rod to -Open bracket. Gate Post Gate Hinge Point
Gate Post
Gate Hinge Point
Gate Post
Gate Hinge Point
Operator Hinge Point
7"...are two methods for the Pull-to mark the location of this manual.
Either method will work depending on the back page of the second measurement.
14
TOP VIEW Gate Post
Gate ...
LA400 Manual - Page 19
... C.
18 Mount the control box as high as possible for best radio reception.
1 Remove screws and open the control box.
1
2 Disconnect the reset button, alarm, and coaxial connector.
3 Loosen screws to... remove the control board and mounting bracket.
4 Remove the control board.
5 Remove batteries and set aside.
6 Select mounting holes and knock out using a screwdriver and hammer.
7...
LA400 Manual - Page 21
... 4 corners of the control box for best radio reception.
1
Open the control box.
Lift
the
door
from
the
hinges
and ALARM LOCK GATE 1
setSOL
GND MAGR
LEARN...OPEN
SINGLE BUTTON
RESET
OFF MAX
STOP CTRL PWR CTRL PWR
SHADOW
INTERRUPT CHGR OVLD CTRL PWR
AC PWR /SOLAR
EARTH GROUND ROD INSTALLATION (REQUIRED) It is
2 The control box can be mounted to 3 Chamberlain loop detectors model...
LA400 Manual - Page 22
... the 120 Vac access panel may be used to access the wiring.
3 Connect two 7AH batteries, purchased separately. The second receptacle can be removed to power up additional gate operator accessories.... 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 ...
LA400 Manual - Page 24
...open first and close second.
Primary Gate
OUTSIDE PROPERTY
23
BIPART DELAY
BI-PART DELAY
Z9
Z8
OFF
MAX
OUTSIDE PROPERTY
Primary Gate -
WIRING » SET THE BIPART DELAY (MODEL LA400-S ONLY)
SET THE BIPART DELAY (MODEL LA400...to Gate 1 connections on a gate, the gate with the longer travel span (opening) must be installed on the same side as the primary gate (GATE 1).
...
LA400 Manual - Page 26
...).
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 be used for ...
3 Mount the junction box within 5 feet (1.5 m) of second operator. WIRING » JUNCTION BOX (MODEL LA400-S ONLY)
JUNCTION BOX
The following items are required to complete the junction box installation:
• 4 ...
LA400 Manual - Page 29
...
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 ...Vac, 29 VA or 36 Vdc, 40 VA).
1 Connect the plugs from the batteries to the connectors on the outlet plate. Ensure the power wiring ground connection remains securely...
LA400 Manual - Page 35
...until the learn indicator light goes out (approximately 6 seconds).
Operation is stopping at the OPEN and CLOSE
limits.
3 Test the force by making sure the gate will stop and ...this device must accept any adjustments are prohibited, except for changing the code setting or replacing the battery. PIN Number
TO ERASE ALL CODES
1 Press and hold the LEARN XMITTER button on contact with...
LA400 Manual - Page 44
... NOT WORKING PROPERLY
1) Not installed properly. 2) Enabling Switch not turned on. 3) Loose/disconnected wires. 4) Bad accessory device
FIX
Battery must be >23 V at battery connection.... 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...
LA400 Manual - Page 46
... RELATING TO, THE GARAGE DOOR OR GARAGE DOOR HARDWARE, INCLUDING BUT NOT LIMITED TO THE DOOR SPRINGS, DOOR ROLLERS, DOOR ALIGNMENT OR HINGES. IN...REINSTALLING A REPAIRED OR REPLACED UNIT, OR REPLACEMENT OF BATTERIES. Some states do not allow the exclusion or ...2806
www.liftmaster.com
WHEN ORDERING REPAIR PARTS PLEASE SUPPLY THE FOLLOWING INFORMATION: PART NUMBER DESCRIPTION MODEL NUMBER
ADDRESS ...
LA400 Manual - Page 47
...-activated release.
The model LA400 requires two batteries. Gate Solenoid Lock: Heavy all steel construction. Recommended for the operator. CPS-LN4
7 AH/12 Vdc Gate Access System Battery: The gate access system battery is easy to integrate with SECURITY✚® :
With key ring and fastening strip. To order visit www.liftmaster.com 46 Requires separate...
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