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Troubleshooting
Operating status
LEDs on the
UBST 1 board
(6)
(5)
(4)
(1)
(2)
(3)
(4)
„+5 V" LED (1)
The „+5 V" LED (1) comes on when the internal or external power supply is con-
nected. The „+5 V" LED indicates that the board electronics are OK.
„Traffic 1 - 4"
LED
LEDs (2)
Traffic X
Traffic X
32
(7)
(8)
„+5 V" LED
„Traffic 1 - 4" LEDs
„L1 - L7" LEDs
„EXT" LED
Indicator
Meaning
Off or on
No communication on
Fronius LocalNet
Flashing
Communication on the
Fronius LocalNet active
(5)
„EXT" jumper
(6)
„INT" jumper
(7)
„INT" LED
(8)
„VCC" LED
Remedy
Check supply voltage;
Check cabling
-
(1)
(2)
(3)
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