124 Diagnostics
WAGO-I/O-System 750
750-370 PROFINET IO Fieldbus Coupler
Manual
Version 2.0.0
Table 60: Blink Code Table for the 'I/O' LED Signaling, Error Code 6
Error code 6: -not used-
Error
Argument
Error Description Solution
-
Not used
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Table 61: Blink Code Table for the 'I/O' LED Signaling, Error Code 7 … 8
Error code 7 … 8: -not used-
Error
Argument
Error Description Solution
-
Not used
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10.1.3 Evaluating Power Supply Status
The power supply unit of the device has two green LEDs that indicate the
status of the power supplies.
LED “A” indicates the 24 V supply of the fieldbus coupler.
LED “B” or “C” reports the power available on the power jumper contacts
for field side power.
Table 62: Power Supply Status Diagnostics – Solution in Event of Error
LED Status Meaning
Solution
A
Green
Operating voltage for the system is
available.
-
Off
No power is available for the system
Check the power supply for the system
(24 V and 0 V).
B or C
Green
The operating voltage for power jumper
contacts is available.
-
Off
No operating voltage is available for the
power jumper contacts.
Check the power supply for the power
jumper contacts (24 V and 0 V).
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