ABB RELION 670 Series Installation Manual page 90

Section 7
Checking installation
84
If the self supervision of the IED detects a diagnostic error during the start-up
process, the green Ready LED flashes. Further information on the error may be
visible on the local HMI under Main menu/Diagnostics/IED status/General.
Note down the displayed information as reference when contacting ABB technical
support.
1MRK 514 026-UEN B
670 series 2.2 IEC
Installation manual