Troubleshooting The Ubst1 Pc Board; Operating Status Leds On The Ubst 1 Board; Led (1); Traffic 1 - 4" Leds (2) - Fronius AB DeviceNet Enterprise Bedienungsanleitung

Troubleshooting the UBST1 PC board

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
(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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