Fronius AB Profinet RT - Ext Led; Int Led; L1 - L7 Leds; Led

Troubleshooting
Operating status
LEDs on the
UBST 1 PC board
(2)
(3)
(1)
(8)
(4)
(7)
(5)
(6)
(1) "+5 V" LED (5) "EXT" jumper
(2) "Traffic 1 - 4" LEDs (6) "INT" jumper
(3) "L1 - L7" LEDs (7) "INT" LED
(4) "EXT" LED (8) "VCC" LED
"+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"
LEDs (2)
LED Indication Meaning Remedy
Traffic X Off or on No communication on
Fronius LocalNet
Check supply voltage;
check cabling
Traffic X Flashing Communication active
on Fronius LocalNet
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