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Diagnostics and troubleshooting
Leuze electronic GmbH + Co. KG
DCR 258i
103
13
Diagnostics and troubleshooting
Error signaling via LED
Tab. 13.1:
Meaning of the LED indicators
Error
Possible error cause
Measures
PWR LED
Off
• No operating voltage connected to
the device
• Hardware error
• Check operating voltage
• Contact Leuze customer service (see
chapter 14 "Service and support")
Red, continuous
light
Device error/parameter enable
Contact Leuze customer service (see chapter
14 "Service and support")
Red, flashing
Warning set
Temporary operating fault
Query diagnostic data and carry out the result-
ing measures
NET LED
Off
• No operating voltage connected to
the device
• Hardware error
• Check operating voltage
• Contact Leuze customer service (see
chapter 14 "Service and support")
Red, continuous
light
Network error
No communication established to the
IO controller
Check interface
Red, flashing
No communication
Parameterization or configuration
failed
Check interface