‘L1 - L7’ LEDs (3)
LED Indicator Meaning Remedy
L1 On / fla-
shing
Error occured in module See error number
Table / After sales ser-
vice
L2 On Communication on the Fronius
LocalNet active
L3 Flashing Ethernet stack sendind data
L5 Flashing UBST OS running
L6 On Physical Ethernet connection
present
L7 Flashing Ethernet data transfer active
LED L1 on:
The error description and the corresponding display on the power source are described
in the ‘Robot interface’ leaflet (42,0410,0616):
chapter entitled ‘Output signals to robot’, section ‘Error number UBST’
L1 LED flashing - error is indicated using the flash code:
Flash code
(1) Rapid flashing:
Start of the error code
(2) First slow pulse:
Type of error
(3) Second slow pulse:
Error location
Error
code
Error
argu-
ment
Error description Remedy
1 1 Max. Ethernet frame size exceeded Switch interface
off and on again
2 Incorrect mailbox type
4 UDP data underflow on port 15000
5 UDP data overflow
6 UDP data underflow on port 15001
7 Incorrect UDP port
8 Error during stack initialisation
9 Invalid function
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