Error Displays And Status Led For Remote Diagnosis - Leuze electronic DDLS 538 S2 Series Original Operating Instructions

Diagnostics and troubleshooting
8.2

Error displays and STATUS LED for remote diagnosis

Tab. 8.7: STATUS LED displays – Causes and measures
LED Color
STATUS Green
LED
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Leuze electronic GmbH + Co. KG
State possible causes
Flashing Warning message(s) set:
• SIGNAL QUALITY indicator
without green LED.
• Temperature, warning or error
(TMP).
• Laser pre-failure (LSR).
• Link Loss Counter has trig-
gered (LLC).
OFF The transmitter is deactivated:
• No supply voltage.
• The LINK and LINK/ACT LEDs
are off.
• MAS EtherCAT configuration
is activated on both devices or
MAS EtherCAT configuration
is deactivated on both devices.
• SIGNAL QUALITY indicator
shows only red LEDs.
DDLS 538 ... S2 ...
Measures
Check cause for the reduced
SIGNAL QUALITY:
• Device alignment.
• Clean optical window.
• Eliminate the possibility of
environmental influences such
as snow, rain, fog.
• Laser diode: at end of life
expectancy
Check LSR LED (see chapter
8.1 "Error displays of the operat-
ing state LEDs").
Check ambient temperature
• Initiate measures for lowering
the ambient temperature.
Check supply voltage.
Check EtherCAT cable connection.
Check MAS EtherCAT configuration
(see chapter 7.2 "MAS EtherCAT
configuration of the
DDLS 538 ... S2 ..."):
• Device installed on master side:
activate MAS
• Device installed on slave side:
deactivate MAS
Check cause for the reduced
SIGNAL QUALITY:
• Device alignment
• Clean optical window
• Eliminate the possibility of
environmental influences such
as snow, rain, fog
• Laser diode: at end of life
expectancy
Check LSR LED (see chapter
8.1 "Error displays of the
operating state LEDs").
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