Leuze electronic DDLS 508i Original Operating Instructions page 48

Diagnostics and troubleshooting
Tab. 7.3: LSR LED displays - Causes and measures
LED Color
LSR Orange
Orange
Note
Data transmission remains active until no LEDs illuminate in the SIGNAL QUALITY indicator due to de-
creasing laser power.
Tab. 7.4: OLK LED displays - Causes and measures
LED Color
OLK ---
Leuze electronic GmbH + Co. KG
State possible causes
Continuous The laser diode of the transmit-
light ter is nearing the end of its life
expectancy.
Flashing Laser monitoring has detected
an excessively high laser trans-
mitter current and deactivated
the transmitter.
State possible causes
OFF No optical data connection:
• Optical window soiled
• Insufficient alignment
• Range exceeded
• Environmental influences
(snow, rain, fog)
• Wrong frequency assign-
ment of the devices
• Transmitter deactivated
• Transmitter of the second
device deactivated
Measures
Contact Leuze customer service (see
chapter 10 "Service and support").
Send in the device for replacement of
the laser diode.
Contact Leuze customer service (see
chapter 10 "Service and support").
Measures
DDLS 508i
• Clean optical window
• Eliminate the possibility of envi-
ronmental influences such as
snow, rain, fog.
• Check alignment of the devices
(see chapter 6.2 "Fine adjust-
ment").
• Check F3/F4 frequency assign-
ment of the devices.
• End deactivation of the transmit-
ters.
48