ABB RELION REX640 Technical Manual page 105

1MRS759142 C
REX640
Technical Manual
The internal fault code indicates the type of internal relay fault. When a fault appears,
the code must be recorded so that it can be reported to ABB customer service.
More details about the active internal fault are found on the Relay Status page. On the
LHMI, the internal fault state is indicated with a red LED. More information about the
fault and recovery options can be accessed by tapping More Information.
GUID-2BBCEC19-B8F1-4F8D-8EB3-1A5B376EBE34 V1 EN
Figure 21: Internal fault state indicated with red LED
More Information shows all active faults and the corresponding fault codes. In
addition, a recovery procedure is described.
Section 3
Basic functions
99