ABB RELION REC615 Operation Manual page 34

Section 3
REC615 and RER615 overview
26
Table 10: Ready LED
LED state Description
Off
On
Flashing
Table 11: Start LED
LED state Description
Off
On
Flashing
Table 12: Trip LED
LED state Description
Off
On
Alarm indicators
The 11 matrix programmable LEDs are used for alarm indication.
Table 13: Alarm indications
LED state Description
Off
On
Flashing
Auxiliary supply voltage is disconnected.
Normal operation.
Internal fault has occurred or the protection relay is in test mode. Internal
faults are accompanied by an indication message.
Normal operation.
A protection function has started and an indication message is displayed.
• If several protection functions start within a short time, the last start is
indicated on the display.
A protection function is blocked or the protection relay is in the test and
blocked mode.
• The blocking indication disappears when the blocking is removed or
when the protection function is reset.
Normal operation.
A protection function has tripped and an indication message is displayed.
• The trip indication is latching and must be reset via communication or
by pressing .
• If several protection functions trip within a short time, the last trip is
indicated on the display.
Normal operation. All activation signals are off.
• Non-latched mode: activation signal is still on.
• Latched mode: activation signal is still on, or it is off but has not been
acknowledged.
• Latched flashing mode: activation signal is still on but has been
acknowledged.
• Non-latched flashing mode: activation signal is still on.
• Latched flashing mode: activation signal is still on, or it is off but has
not been acknowledged.
1MRS758754 B
REC615 and RER615
Operation Manual