Leuze electronic DDLS 508 Operating Instructions Manual page 46

Table 7.3:
LED Color
LSR Orange
Notice
Data transmission remains active until no LEDs illuminate in the SIGNAL QUALITY indicator due to
decreasing laser power.
Table 7.4:
LED Color
OLK ---
Table 7.5:
LED Color
ERL Orange Continuous
Red
Leuze electronic
LSR LED displays - Causes and measures
State possible causes
The laser diode of the transmit -
Continuous
light ter is nearing the end of its life
expectancy.
OLK LED displays - Causes and measures
State possible causes
OFF No optical data connection:
• Optical window soiled
• Insufficient alignment
• Range exceeded
• Environmental influences
(snow, rain, fog)
• Transmitter deactivated
• Transmitter of the second
device deactivated
ERL LED displays - Causes and measures
State possible causes
Link error on second device:
light • Missing link on Ethernet
cable connection of the
second device.
• SIGNAL QUALITY indica -
tor on second device wit -
hout green and orange
LEDs.
Continuous Link error on first device:
light • Missing link on Ethernet
cable connection of the
first device.
• SIGNAL QUALITY indica -
tor on first device without
green and orange LEDs.
Measures
Measures
Measures
Check Ethernet cable connection on
second device.
Check cause for the reduced
SIGNAL QUALITY:
Check Ethernet cable connection on
first device.
Check cause for the reduced
SIGNAL QUALITY:
DDLS 508
Diagnostics and troubleshooting
• Contact Leuze electronic custo -
mer service (see chapter 9).
• Send in the device for replace -
ment of the laser diode.
• Clean optical window
• Eliminate the possibility of envi -
ronmental influences such as
snow, rain, fog.
• Check alignment of the devices
(see chapter 6.2).
• End deactivation of the transmit -
ters.
• Device alignment
• Clean optical window.
• Eliminate the possibility of envi -
ronmental influences such as
snow, rain, fog.
• Laser diode: at end of life expec -
tancy
Check LSR LED (see table 7.3).
• Device alignment.
• Clean optical window.
• Eliminate the possibility of envi -
ronmental influences such as
snow, rain, fog.
• Laser diode: at end of life expec -
tancy
Check LSR LED (see table 7.3).
47