Operating Status Leds - Fronius Profibus Robacta CTC Operating Instructions Manual

Operating status The operating status LEDs show the local communication between the fieldbus
LEDs coupler and fieldbus terminals. The green LED lights up when there are no errors.
The red LED flashes at two different frequencies when a terminal bus error oc-
curs.
Flash code
Error
code
Steady,
constant
flashing
1 pulse
2 pulses
3 pulses
(1) (2)
Reason
for
error Cause
0 pulses Problems with the elec-
tromagnetic compatibili-
ty (EMC)
0 pulses EEPROM checksum fault
1 pulse Overflow inline code buf-
fer. Too many entries in
the table
2 pulses Unknown data type
0 pulses Programmed configurati-
on, incorrect table
entry/bus coupler
n pulses Table comparison (termi-
(n>0) nals) incorrect
0 pulses Terminal bus command
error
(3) Flashing quickly:
Start of the error code
(4) First slow pulse:
Type of error
(5) Second slow pulse:
Error location
IMPORTANT!
The number of pulses shows the posi-
tion of the last fieldbus terminal befo-
re the error occurred.
(3)
Passive fieldbus terminals (e.g., supply
terminals) are not counted.
Remedy
Check power supply for
under- or over-voltage
peaks
Implement EMC measu-
res
If there is a communica-
tion bus error, the error
can be located by restar-
ting the fieldbus coupler
(switching it off and on
again)
Reset to factory settings
using the KS2000
Insert fewer terminals
Carry out a software up-
date for the fieldbus cou-
pler
Check that programmed
configuration is correct
Incorrect table entry/bus
coupler
No terminal inserted, at-
tach terminal
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