Control board programming and features (continued) – Chamberlain LIFTMASTER PROFESSIONAL SW470 User Manual
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LED
LED
NAME
DESCRIPTION
RELAY DRIVE TROUBLESHOOTING LEDS
There are 5 troubleshooting LEDs on relay drives K1 through K5. These LEDs will be illuminated when the microcontroller relay drive is
activated.
D6
Contactor A
On when Contactor A is activated
D5
Contactor B
On when Contactor B is activated
D4
SAM
On when SAM relay is activated
D3
Lock
On when Mag Lock relay is activated
D2
Alarm
On when Alarm Relay is activated
TROUBLESHOOTING LEDS
There are 9 troubleshooting LEDs.
LED
LED
NAME
DESCRIPTION
D11
Radio
On when Radio switch is activated
D13
Shadow
On when Shadow Loop is activated
D15
Hard Close
On when Close switch is activated
D17 (Green)
Stop
On when Stop switch is not activated
D19
Soft Open
On when Open switch is activated
D21
Hard Open
On when Open switch is activated
D24
Interrupt (Safety) Loop
On when Interrupt/Safety Loop activated
D29
Obstruction Open
On when Edge is activated or when Photo Eye
Beam is broken
D31
Obstruction Close
On when Edge is activated or when Photo Eye
Beam is broken
CONTROL BOARD PROGRAMMING AND
FEATURES (CONTINUED)
A D J U S T M E N T