ABB RELION REX640 Operation Manual page 91

1MRS759118 D
Figure 89: Output contact
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.
Figure 90: 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.
REX640
Operation Manual
Troubleshooting
91