Supply Voltage Status - WAGO I/O SYSTEM 750 750-833 Manual

118 • Programmable Field Bus Controller 750-833
LED Signaling

3.11.6 Supply Voltage Status

There are two green LED in the controller supply section. The left upper
LED (A) indicates the status of the system supply. The right upper LED (C) or
the left lower LED (B) signals the supply to the field side (the LED position
depends on manufacturer).
LED A
green
off
LED C
or B
green
off
Meaning
System supply is ok
System supply failed
Meaning
Field supply is ok
Field supply failed
Remedy
Check the power supply (24 V and 0 V)
Remedy
Check the power supply (24 V and 0 V)
WAGO-I/O-SYSTEM 750
Bus System