5.8 Energizing protection relay
Before connecting the auxiliary power, check that the protective film is
removed from top of the protection relay.
• Before connecting the auxiliary power, check that all the wiring is done correctly.
• Remove the protective film from the top side of the unit. Check that there is no
debris visible in the ventilation holes.
Figure 48: 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.
Connecting
1MRS757641 G
58 620 series
Installation Manual
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