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12
Diagnostics and troubleshooting
Error signaling via LED
Tab. 12.1:
Meaning of the LED indicators
Error
PWR LED
Off
Red, continuous
light
Red, flashing
NET LED
Off
Red, continuous
light
Red, flashing
Leuze electronic
Possible error cause
• No operating voltage connected to
the device
• Hardware error
Device error/parameter enable
Warning set
Temporary operating fault
• No operating voltage connected to
the device
• Hardware error
Network error
No communication established to the
IO controller
No communication
Parameterization or configuration
failed
Measures
• Check operating voltage
• Contact Leuze electronic customer service
(see chapter 13 "Service and support")
Contact Leuze electronic customer service
(see chapter 13 "Service and support")
Query diagnostic data and carry out the result-
ing measures
• Check operating voltage
• Contact Leuze electronic customer service
(see chapter 13 "Service and support")
Check interface
Check interface
DCR 202i
Diagnostics and troubleshooting
63
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