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K4 - 5
D1
D2
D3
D4
D5
D6
Display unit in the left-hand part of the light barrier (receiver side):
Continuation: Light Barrier
4.0 Manual Operation
Meaning of LEDs in display unit
D1 D2 D3 D4 D5 D6 Meaning
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on on on on off off Protect. area „unobstructed“, light
reception excellent
off on on on off off Protect. area „unobstructed“, light
reception good
off off on on off off Protect. area „unobstructed“, light
reception just sufficient
on on off off on on Protect. area obstructed or a test is
performed
off off off off on on Protect. area has never been
unobstructed since Voltage ON
flashing off off on on Error
Attention!
In the case of a breakdown of the display unit the safety function of the
light barrier will not be impaired!