SE4-PLUS Series
Instruction Manual
31
Note: When the Test Piece is passed from top to bottom,
throughout the entire detection area at any distance
between the two units, the red BREAK LED must always
remain ON, without falsely switching.
A daily test is recommended.
LED Status
Diagnostics
Alignment
degree
First and last optics non-
aligned.
First and last optics (from
top) non-aligned.
First and last optics non-
aligned.
Safe Break LED blinks at
a F1 frequency.
Red-coloured LED.
Very low alignment.
First and last optics non-
aligned.
Safe Break LED blinks at
a F2 frequency higher
than F1.
Low alignment.
Safe Break LED
continues to blink at a F2
frequency, but the LED is
now green.
Medium alignment.
Safe Break LED blinks
again at a F1 frequency
minor than F2.
LED always green
Good alignment.
Safe Break LED
permanently ON.
All optics correctly
aligned.
Red ON
OFF
OFF
Green ON
Red ON
Yellow ON
OFF
Green ON
Red blinking
Yellow ON
Yellow ON
Green ON
Red blinking
Yellow ON
Yellow ON
Green ON
Green blinking
Yellow ON
Yellow ON
Green ON
Green blinking
Yellow ON
Yellow ON
Green ON
Green ON
Yellow ON
Yellow ON
Green ON
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