19 Menu
20 Clear
21 Help
22 Communication port
23 Programmable indication LEDs
24 IED status LEDs
5.4 Local HMI functionality
5.4.1
Protection and alarm indication
GUID-09CCB9F1-9B27-4C12-B253-FBE95EA537F5 v15
Protection indicators
The protection indicator LEDs are Normal, Pickup and T
rip.
Table 10: Normal LED (green)
LED state Description
Off Auxiliary supply voltage is disconnected.
On Normal operation.
Flashing Internal fault has occurred.
Table 11: PickUp LED (yellow)
LED state Description
Off Normal operation.
On A protection function has picked up and an indication message is displayed.
The pick up indication is latching and must be reset via communication,
LHMI or binary input on the LEDGEN component. To open the reset menu
on the LHMI, press .
Flashing The IED is in test mode and protection functions are blocked, or the
IEC61850 protocol is blocking one or more functions.
The indication disappears when the IED is no longer in test mode and
blocking is removed. The blocking of functions through the IEC61850
protocol can be reset in Main menu
/Test/Reset IEC61850 Mod. The yellow
LED changes to either On or Off state depending on the state of operation.
Section 5 1MRK 504 163-UUS A
Local HMI
106 Transformer protection RET670 2.2 ANSI
Application manual