Fronius AB Profinet RT Bedienungsanleitung Seite 61

Troubleshooting
Operating status
LEDs on the
UBST 1 PC board
(6)
(5)
(4)
(1)
(2)
(3)
(4)
"+5 V" LED (1) The "+5 V" LED (1) comes on when the internal or external supply voltage is connected.
The "+5 V" LED indicates that the board electronics are OK.
"Traffic 1 - 4"
LED
LEDs (2)
Traffic X
Traffic X
(7) (8)
"+5 V" LED
"Traffic 1 - 4" LEDs
"L1 - L7" LEDs
"EXT" LED
Indication
Off or on
Flashing
(5) "EXT" jumper
(6) "INT" jumper
(7) "INT" LED
(8) "VCC" LED
Meaning
No communication on
Fronius LocalNet
Communication active
on Fronius LocalNet
(1)
(2)
(3)
Remedy
Check supply voltage;
check cabling
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