Error Displays Of The Operating Mode Leds; Error Displays Of The Signal Quality Display - Leuze electronic DDLS 538 S2 Series Original Operating Instructions

Diagnostics and troubleshooting
8.3

Error displays of the operating mode LEDs

Tab. 8.8: LLC LED displays - Causes and measures
LED Color
LLC Red
8.4 Error displays of the SIGNAL QUALITY display
Tab. 8.9: SIGNAL QUALITY displays - causes and measures
LED Color
SIGNAL ---
QUALITY
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
State possible causes
OFF MAS EtherCAT configuration is ac-
tivated on both devices.
MAS EtherCAT configuration is
deactivated on both devices.
Measures
• Clean optical window.
• Eliminate the possibility of environ-
• Check the mounting/alignment of the
• End deactivation of the transmitters.
DDLS 538 ... S2 ...
mental influences such as snow, rain,
fog.
devices:
Screw fitting of the devices
Alignment
Spring tension on the alignment
screws
Measures
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
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