Models Sl585U And Sl595U (Single Phase) - Chamberlain LA500U Troubleshooting Manual

MODELS SL585U AND SL595U (SINGLE PHASE)

CONTROL BOARD
BIPART
DELAY
4
2
OPEN OPEN
LEFT RIGHT
HANDING
MOTOR DRIVE
ANTENNA CURRENT
SENSOR
POWER BOARD
SINGLE PHASE
J10
120V
OUTLET
120V
J11
120V
PWR IN
NEUTRAL
(WHITE)
White
JUNCTION BOX
White
NEUTRAL
Black
HOT
Green
GROUND
INCOMING POWER
6
8
24 VAC IN
RPM & LIMITS ALARM EXP.
ID RESET BOARD
J8
CURRENT
SENSOR
SWITCH
(ORANGE)
White
COMM
(WHITE)
SWITCH Black
(YELLOW) 120V
(BLACK)
Red
PWR IN HOT
208V
(BLACK)
(RED)
Orange
(BLACK)
240V
(ORANGE)
(WHITE)
TRANSFORMER
240V
J12
240V
J1
1
Check the incoming power.*
Check breaker first, then check wiring coming into operator.
The voltage should be 120, 208, or 240 Vac depending
on the application.
POWER
MODEL SL585U
CONTROL BOARD
JUNCTION
BOX
Blue
Yellow
COM
120
208
24 VAC
240
3.15A FUSE
480
TRANSFORMER
To configure the motor for 208V, swap
the orange and red wires and plug motor
into the 240V position.
3
Check the power board.*
Check the following transformer wires on the power board:
120V Applications: Check the white and black wires, voltage should be 120 Vac
208V Applications: Check the white and red wires, voltage should be 208 Vac
240V Applications: Check the white and orange wires, voltage should be 240 Vac
If the voltage is not correct, replace the power board.
2 Check the AC power switch.
Is it ON?
AC POWER SWITCH
20
MODEL SL595U
CONTROL BOARD
POWER BOARD
AC POWER
SWITCH
4 Check the transfomer and
control board.*
Check the blue and yellow 24 VAC IN wires
at the control board.
The voltage should be about 21-28 Vac.
If the voltage is NOT 21-28 Vac, replace the
transformer.
If the voltage is 21-28 Vac, replace the fuse.
If the fuse is good, replace the control board.
Fuse
*
POWER BOARD
JUNCTION BOX