106 Diagnostics
WAGO-I/O-SYSTEM 750
750-325 CC-Link Fieldbus Coupler
Manual
Version 2.0.1
Table 63: Blink Code Table for the I/O LED Signaling, Error Code 9
Error code 9: “CPU Trap error”
Error
Argument
Error Description
Solution
1
Illegal Opcode
Fault in the program sequence.
1. Please contact the I/O Support.
2
Stack overflow
3
Stack underflow
4
NMI
Table 64: Blink Code Table for I/O LED Signaling, Error Code 10
Error code 10: -not used-
Error
argument
Error description
Remedy
-
not used
-
9.1.3
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 coupler.
LED 'B' reports the power available on the power jumper contacts for field side
power.
Table 65: 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
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).