ABB Relion 620 Series Installation Manuals page 58

Section 5
Connecting
50
GUID-F03DEC09-04FD-49D7-96E9-506B7E3C0D32 V1 EN
Figure 44: Removing the protective film
During the start-up, indications and self test procedures are shown in a certain order.
1. Green Ready LED starts to flash.
2. LCD lights up and ABB logo is displayed.
3. LCD test patterns are displayed and all the LEDs are lit for a short period.
4. The measurements view is displayed. A steady green Ready LED indicates a
successful start-up.
If the protection relay detects a diagnostic error during start-up, the green Ready LED
flashes and the internal fault code is displayed on the LCD.
1MRS757641 E
620 series
Installation Manual