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Chap04, Description of operation, Chapter – Rockwell Automation 440G-LZ Guard Locking Switch User Manual User Manual

Page 23: Status/diagnostic leds during operation

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Rockwell Automation Publication 440G-UM001A-EN-P — November 2013

23

Chapter

4

Description of Operation

Status/Diagnostic LEDs
During Operation

During operation, the LEDs indicate the status of the Guardmaster
440G-LZ guard locking switch as follows:

Power-to-Lock
Versions

Guard
Status

Lock
CMD

OSSD
Input

Lock
Status

LED
Status

OSSD
Status

Power on and lock
CMD off

Open or
closed

Off

Off or
on

Unlocked Blinks 6x green

then solid red

Off

Lock CMD on, door
open

Open

On

Off or
on

Unlocked Fast flash green

Off

Lock CMD on, door
closed

Closed

On

Off

Locked

Slow flash green Off

Lock CMD on, door
closed

Closed

On

On

Locked

Solid green

On

Power-to-
Release Versions

Guard
Status

Lock
CMD

OSSD
Input

Lock
Status

LED
Status

OSSD
Status

Power on with
door open

Open

Off

Off or
on

Unlocked Blinks 6x green,

then blinks 1x
red, followed by
fast flash green

Off

Power on with
door closed

Closed

Off

Off Locked

Blinks

6x

green,

then blinks 1x
red, followed by
slow flash green

Off

Power on with
door open, and
OSSD input active

Closed

Off

On

Locked

Blinks 6x green,
then blinks 1x
red, followed by
solid green

On

Unlock CMD on,
and door closed or
open

Open or
closed

On

Off or
on

Unlocked Solid red

Off