Troubleshooting, Basic control board layout – LiftMaster LA400 Residential DC Linear Gate Operator User Manual

Page 42

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background image

Z22

R91

CLOSE
EDGE

R94

R92

R93

L1

R1

R2

Z1

K5

Ø14GPØ89ШE

Ш14LGШ89ШE
Ш14SKШ89ШE

K6

K2

F3

10A 32V

D1Ø

OPEN EDGE/

PHOTO

OPEN
PHOTO

CLOSE
PHOTO

J18

R227

R2Ø7

Z2 Ø

R223

P1

Z9

Z8

F2

F6

D4

D2

R9

C64

JMPR1

R224

U4

P2

J1

J19

SINGLE

BUTTON

CONTROL

INPUTS

FORCE

BIPART

DELAY

TIMER TO

CLOSE

MIN

MAX

OFF

MAX

OFF

MAX

OPEN

SINGLE BUTTON

RESET

STOP

SHADOW

S1

INTERRUPT

CHGR
OVLD

COM

COM

COM

FUSE
OPEN

LOOP

INPUTS

POWER

BATT 1

BATT 2

F1 20A 32V

R35

D9

Z3

Z4

U3

D1

D27

F5

C11

C13

C12

D15

C2 R4

R1Ø1

R1ØØ

R9Ø

Q9

K1

R196

Q22

D8

K3

K4

D21

D22

C4

ACCESSORY

OVLD

D6

JMPR2

MOV1

MOV2

DB1

U2

Z12

24 VAC/

INPUT

GATE 2

ACCESSORY

POWER

MAGLOCK

ALARM

GATE 1

C

C

NC

NO

NO

GRN

WHT

YEL

BLU

RED

BRN

GRN

WHT

YEL

BLU

RED

BRN

F4

10A 32V

F7

24V

24V

COM

OVLD

OVLD

SWITCHED

ACCESSORY

POWER

TIMER

RUNNING

GATE 2

SET

OPEN

LIMIT

SET

CLOSE

LIMIT

LEARN
LIMITS

DIAGNOSTIC

GATE 1

J4

SAVE
MAGLOCK
MODE
EDGE
PHOTO

OFF
OFF

SINGLE

NO
NO

ON
ON
DUAL
NC
NC

LEARN

XMITTER

S8

1 2 3 4 5

O

N

2

1

14

13

12

20

11*

10

2

3

5

4

6*

22

7

8

18

17

26

19

1

9 23

24

25 15

16

21

ITEM DESCRIPTION

FUNCTION

1

Connector P1

Antenna Input

2

Connector P6

Close Edge

3

Connector P8

Open Edge/Photo

4

Connector P7

Open Photo

5

Connector P9

Close Photo

6

Connector P12

Switched Accessory Power*

7

Connector P10

Control Inputs

8

Connector P11

Loop Inputs

9

Connector P5

24 Vac Input

10

Connector P16

Gate 2

11

Connector P13

Accessory Power*

12

Connector P17

Gate 1

13

Connector P14

Maglock/Solenoid

*See page 38 for max current draw

ITEM DESCRIPTION

FUNCTION

14

Connector P15

Alarm

15 Connector

Battery 1

16 Connector

Battery 2

17

DIP Switch

S1

18

Pushbutton

Learn Xmitter - Program Remote

19

Pushbuttons

Gate 1 - Jog Learn Limit

20

Pushbutton

Learn Limits

21

Pushbuttons

Gate 2 - Jog Learn Limit

22

Pushbutton

Single Button

23 Potentiometer

Force

24

Potentiometer

Bipart Delay

25 Potentiometer

Timer-to-Close

26 Connector

Receiver

TROUBLESHOOTING

» BASIC CONTROL BOARD LAYOUT

BASIC CONTROL BOARD LAYOUT

41

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