Fault Message Via Blink Code From The I/O-Led; Signalling Of The Led For Indication Of The Node Status; Fault Code 1: Hardware And Configuration Fault; Fault Code 2: Fault In Programmed Configuration - WAGO -I/O-SYSTEM 750 User's Installation And Configuration

Fig. 3-16: Signalling of the LED for indication of the node status
After clearing a fault, restart the coupler by cycling the power.
3.1.7.4

Fault message via blink code from the I/O-LED

Fault argument

Fault code 1: Hardware and Configuration fault

Fault code 2: Fault in programmed configuration

Fault code 3: Internal bus command fault
Modular I/O System
ETHERNET TCP/IP
Switching on
the power supply
Coupler/Controller starts up
"I/O"-LED is blinking
Test o.k.?
Yes
"I/O"-LED is shining
ready for operation
Fault description
0 EEPROM check sum fault / check sum fault in the parameter area of the flash memory
1 Overflow of the internal buffer memory for the inline code
2 Unknown data type
3 Module type of the flash program memory could not be determined / is incorrect
4 Fault when writing in the FLASH memory
5 Fault when deleting the FLASH memory
6 Changed I/O module configuration determined after AUTORESET
0 Incorrect table entry
0 No error argument is put out.
No
"I/O" LED
1st flash sequence
(Introduction of the
error indication)
1st break
"I/O" LED
2nd flash sequence
Error code
(Number of flash cycles)
2nd break
"I/O" LED
3rd flash sequence
Error argument
(Number of flash cycles)
Fieldbus coupler 750-342 • 43
LED Display
g012911e