Fault tracing 113
LED flash periods
The following diagram shows the definitions of the terms ‘blinking’, ‘flashing’ and
‘fli
ckering’ used in the previous sections, as defined by the EtherCAT Technology
Group.
LED flash timing definitions:
Off
1 flash
2 flashes
Inverted 2 flashes
3 flashes, etc.
Blinking
Flickering
On
(Not illuminated)
(Continuously illuminated)
Red (error)
Off: Ethernet POWERLINK is working correctly.
Continuously illuminated: An error has occurred.