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Diagnostics and troubleshooting
Tab. 7.10:
LLC LED displays - Causes and measures
LED
Color
LLC
Red
Leuze electronic GmbH + Co. KG
State
possible causes
Continuous
• Optical window soiled
light
• Travel tolerances greater
than the transmission beam
spread
• Mounting/alignment insuffi-
cient
• Range exceeded
• Environmental influences
(snow, rain, fog)
• Transmitter of the first de-
vice deactivated
• Transmitter of the second
device deactivated
Measures
DDLS 508i
• Clean optical window.
• Eliminate the possibility of envi-
ronmental influences such as
snow, rain, fog.
• Check the mounting/alignment of
the devices:
Screw fitting of the devices
Alignment
Spring tension on the alignment
screws
• End deactivation of the transmit-
ters.
51
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