WAGO-I/O-SYSTEM 750 Diagnostics 77750-493 3-Phase Power Measurement ModuleManualVersion 1.2.0Pos : 95 /All e Seri en (Allgemei ne Module)/Ü berschriften für alle Serien/Diag nos e/Di agnos e - Ü bersc hrift 1 @ 4\mod_1240831069471_21.doc x @ 31372 @ 1 @ 19 DiagnosticsPos : 96 /Serie 750 ( WAGO-I/O-SYST EM)/Di agnose/Bus kl emmen/Di agnose 750-0493 @ 15\mod_1366806737193_21.doc x @ 117960 @ @ 18 LEDs A … H indicate the operation status and possible errors.The meaning of the indications is as follows:Table 33: LED DiagnosisLED Status MessageAOff No operational readiness orthe internal data bus communication is interrupted.Green Operational readiness and correct internal data buscommunicationB Off No errorRed Undervoltage L1 – N *C Off No errorRed Override of a current measuring pathDOff No errorRed High measuring error, caused by undervoltageof a voltage measuring pathE Off No errorRed Undervoltage L2 – N *F Off No errorRed Undervoltage L3 – N *G Off No errorRed Override of a voltage measuring pathH Off No errorYellow Error of the phase sequence L1-L2-L3*The undervoltage threshold is set on the tabs „Phase L1“, „Phase L2“ and „Phase L3“.Pos : 97 /D okumentation allgemei n/Glieder ungs elemente/---Seitenwechs el--- @ 3\mod_1221108045078_0.doc x @ 21810 @ @ 1
