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

MODELS SL585U AND SL595U (THREE PHASE)

CONTROL BOARD
BIPART
DELAY
4
2 6
8
OPEN OPEN
LEFT RIGHT
HANDING
MOTOR DRIVE
ANTENNA CURRENT
ID RESET
SENSOR
POWER BOARD
THREE PHASE
J12
MOTOR
CURRENT
J14
(BLACK)
L1
12V
J1
(WHITE)
L2
J2
12V
(PURPLE)
L3
J3
LINE IN
J4
480V
Green
JUNCTION BOX
NCOMING POWER
RPM & LIMITS ALARM EXP. 24 VAC IN
BOARD
White
Red
Orange
Purple
TRANSFORMER
J6 J11
J8 J7
BRAKE
J10 J13
J5
3
Check the power board.*
Check the following transformer wires on the power board:
208V Applications:
240V Applications:
240V/208V
480V Applications:
575V
If the voltage is not correct, replace the power board.
1
Check the incoming power.*
Check breaker first, then check wiring
coming into operator. The voltage should be 208, 240,
or 480 Vac depending on the application.
POWER
MODEL SL585U
CONTROL BOARD
JUNCTION
BOX
Blue
Yellow
COM
120
208
24 VAC
240
3.15A FUSE
460
Fuse
TRANSFORMER
To configure the motor for 208V, swap the
orange and red wires and plug motor
into the 208V / 240V position.
Check the white and red wires, voltage should be 208 Vac
Check the white and orange wires, voltage should be 240 Vac
Check the white and purple wires, voltage should be 480 Vac
AC POWER SWITCH
2
Check the AC power switch.
Is it ON?
21
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.
*
MODEL SL595U
POWER BOARD
JUNCTION BOX