WAGO SYSTEM 750 - 9 Diagnostics; Table 33: LED Diagnosis

WAGO-I/O-SYSTEM 750 Diagnostics 77
750-493 3-Phase Power Measurement Module
Manual
Version 1.2.0
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9 Diagnostics
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8 LEDs A … H indicate the operation status and possible errors.
The meaning of the indications is as follows:
Table 33: LED Diagnosis
LED
Status
Message
A
Off
No operational readiness or
the internal data bus communication is interrupted.
Green
Operational readiness and correct internal data bus
communication
B
Off
No error
Red
Undervoltage L1 – N *
C
Off
No error
Red
Override of a current measuring path
D
Off
No error
Red
High measuring error, caused by undervoltage
of a voltage measuring path
E
Off
No error
Red
Undervoltage L2 – N *
F
Off
No error
Red
Undervoltage L3 – N *
G
Off
No error
Red
Override of a voltage measuring path
H
Off
No error
Yellow
Error of the phase sequence L1-L2-L3
*The undervoltage threshold is set on the tabs „Phase L1“, „Phase L2“ and „Phase L3“.
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