Monitoring an internal relay fault - Arc protection - Bay control and measurement - Merging unit - Transformer protection - 2 winding - Feeder protection - Voltage regulation - Capacitor bank protection - Grid automation - Busbar differential protection (high impedance) - Line differential protection - Back-up protection - Motor protection - Busbar protection (voltage and frequency) - Interconnection protection - Generator protection - Power management/Load shedding - Operation Manual - REX615 Protection and control - PCL2 - IEC - ANSI - 18.04.2024

REX615 Operation Manual

The flashing green LED indicates an internal relay fault. Internal relay fault messages are shown in a dialog box. Only one dialog box can be shown at a time, therefore the relay has internal priority for indication messages and tripping data. Internal fault has always higher priority than a warning.

Note: See the troubleshooting section for more details.
Figure 1. Fault indication
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  1. Select Main menu > Monitoring > IED status > Self-supervision to monitor the latest fault indication.
  2. Press or to scroll the view.