Leuze electronic DDLS 548i Manual page 60

Tab. 8.10: LLC LED displays - Causes and measures
LED Color State
LLC Red
Leuze electronic
possible causes
Continu- • Optical window soiled
ous light
• Travel tolerances greater than
the transmission beam spread
• Mounting/alignment insufficient
• Range exceeded
• Environmental influences
(snow, rain, fog)
• Transmitter of the first device
deactivated
• Transmitter of the second de-
vice deactivated
Measures
• Clean optical window.
• Eliminate the possibility of environ-
mental influences such as snow, rain,
fog.
• Check the mounting/alignment of the
device:
Screw fitting of the devices
Alignment
Spring tension on the alignment
screws
• End deactivation of the transmitters.
DDLS 548i
Diagnostics and troubleshooting
60