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114 •
Programmable Field Bus Controller 750-833
LED Signaling
3.11.5 Fault Message via Blink Code of the I/O LED
Fault
Argument
Fault Code 1: Hardware and Configuration Fault
Fault Description
-
Check sum fault in
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 during writing in
the flash memory.
5
Fault when deleting the
FLASH memory.
6
Changed I/O module
configuration found after
AUTORESET.
7
Fault when writing in the
serial EEPROM.
Remedy
Switch off the supply voltage of the node.
Replace the coupler and switch on the supply
voltage again.
Switch off the supply voltage of the node. Reduce
the number of modules and switch on the supply
voltage again. In case that the fault still exists,
replace the coupler.
Detect faulty I/O module as follows: turn off the
power supply. Place the end module in the middle
of the field bus node. Turn the power supply on
again.
- If the LED is still blinking, turn off the power
supply and place the end module in the middle of
the first half of the node (towards the coupler).
- If the LED doesn't blink, turn off the power
supply and place the end module in the middle of
the second half of the node (away from the
coupler). Turn the power supply on again. Repeat
this procedure until the faulty I/O module is
detected. Replace the faulty I/O module.
Ask about a firmware update for the field bus
coupler.
Switch off the supply voltage of the node.
Replace the coupler and switch on the supply
voltage again.
Switch off the supply voltage of the node.
Replace the coupler and switch on the supply
voltage again.
Switch off the supply voltage of the node.
Replace the coupler and switch on the supply
voltage again.
Restart the coupler by switching the supply
voltage off and on again.
Switch off the supply voltage of the node.
Replace the coupler and switch on the supply
voltage again.
WAGO-I/O-SYSTEM 750
Bus System
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