
98 • Fieldbus ECO-Coupler 750-343
LED Signaling
WAGO-I/O-SYSTEM 750
PROFIBUS
3.1.10.3 Fault Message via Blink Code of the BUS-LED
Fault Argument Fault Description Remedy
Fault code 1: Fault in Configuration Telegram
1 Insufficient configuration data
The GSD file is defective or the
parameter data were entered
improperly.
Get in contact with WAGO support.
2 Excessive configuration data
The GSD file is defective or the
configuration data was entered
improperly.
Get in contact with WAGO support.
Fault code 2: Fault in Configuration Telegram
n Faulty configuration byte n
Get in contact with WAGO support.
Fault code 3: Fault in Configuration Telegram
1 Insufficient configuration data Check the configuration because a
module was probably forgotten in
the configuration. Load the
configuration and start the coupler
by switching the supply voltage off
and on again.
2 Excessive configuration data Check the configuration because a
module was probably forgotten in
the configuration. Load the
configuration and start the coupler
by switching the supply voltage off
and on again.
Fault code 4: Fault in Configuration Telegram
n Configuration byte (module) n is
faulty
Check the nth module in the
configuration. Load the
configuration and start the coupler
by switching the supply voltage off
and on again.
Fault code 5: Fault in the Data Length
1 Maximum input data length
exceeded (more than 128 byte
input data), more than 244 Byte
from SW 03).
Switch off the supply voltage of the
coupler. Remove some modules
from the node and switch the supply
voltage on again.
2 Maximum output data length
exceeded (more than 128 byte
output data), more than 244 Byte
from SW 03).
Switch off the supply voltage of the
coupler. Remove some modules
from the node and switch the supply
voltage on again.
Fault code 6: Compiled Buffer Overflow
1 Compiled buffer overflow for DP
process image
Get in contact with WAGO support.
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