Liftmaster LA400 Residential DC Linear Gate Operator User Manual Page 29
- Page / 48
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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28
EARTH GROUND ROD INSTALLATION (OPTIONAL)
NOTE:
For proper operation, do not connect the earth ground rod to the green
screw on the outlet plate.
Install earth ground rod within 3 feet (0.9 m) of the operator.
Disconnect and remove the green/yellow ground wire connected to the screw
terminal of the control board.
Attach earth ground rod wire to the screw terminal of the control board
marked
. Ensure the power wiring ground connection remains securely
connected to the green screw on the outlet plate.
FUSE
OPEN
Z1
FUSE
OPEN
R4
GATE 2
ACCESSORY
POWER
MAGLOCK
ALARM
GATE 1
J4
D15
C2
MOV2
C2R4
24 VAC/
SOLAR
INPUT
J4
Ground Screw
Control Box
12 Gauge Wire
Earth Ground
Installation (Optional)
3' (0.9 m)
8' (2.4 m)
WIRING » EARTH GROUND ROD INSTALLATION (OPTIONAL) + CONNECT BATTERIES
1
2
3
POWER
C64
BATT 1BATT 2
C2
U2
BAT T 1
MOV2
24 VAC/
INPUT
J4
USE DEDICATED CIRCUIT
CONNECT BATTERIES
The batteries are the main source of power for the operator. The operator is a
battery run system. Both batteries are charged in circuit using the transformer
(provided). The 24 Vac input can accept a charging transformer (26 Vac, 29 VA or
36 Vdc, 40 VA).
Connect the plugs from the batteries to the connectors on the control board.
BATT 2
Connector
BATT 1
Connector
1
1
- LA400 & LA400-S 1
- TABLE OF CONTENTS 2
- 1. GENERAL REQUIREMENTS 5
- 2. SPECIFIC APPLICATIONS 5
- INSTALLATION 6
- ADJUSTMENT 6
- OPERATION AND MAINTENANCE 7
- TROUBLESHOOTING 7
- EARTH GROUND ROD (OPTIONAL) 9
- POWER WIRE: 9
- TOOLS NEEDED 9
- LEFT-HAND GATE 10
- RIGHT-HAND GATE 10
- DUAL GATE 11
- CHECK YOUR GATE 12
- MOUNTING OPTIONS 12
- MANUAL RELEASE 13
- PUSH-TO-OPEN BRACKET 13
- GATE BRACKET 15
- DETERMINE MOUNTING LOCATION 15
- TEST GATE TRAVEL 17
- Gate Travel 18
- » STANDARD CONTROL BOX 19
- MOUNT THE CONTROL BOX (XLM) 21
- 120 Vac ONLY 22
- ACCESSORY 23
- Primary Gate 24
- JUNCTION BOX 26
- Extension Cable 27
- Operator Cable 27
- Connector 27
- Conditioner 28
- CONNECT BATTERIES 29
- » SET DIP SWITCH 30
- » LIMITS 31
- PROGRAM OPEN 32
- PROGRAM CLOSE 32
- FORCE ADJUSTMENT 34
- TIMER-TO-CLOSE (TTC) 34
- PIN Number 35
- DIP SWITCH SETTINGS 36
- FEATURES » CONTROL INPUTS 37
- LOOP INPUTS 38
- PHOTOELECTRIC CONTROLS 39
- ENTRAPMENT PROTECTION 39
- SENSING EDGES 39
- Reset Button 40
- » MAINTENANCE 41
- » BASIC CONTROL BOARD LAYOUT 42
- WIRING DIAGRAM 43
- DIAGNOSTIC CODES 43
- » TROUBLESHOOTING CHART 44
- GATE OPERATOR ARM 45
- CONTROL BOX 45
- WARRANTY 46
- ACCESSORIES 47
- 1 2 3 4 5 6 7 48
- 7 6 5 4 3 2 1 48
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