Hitachi Relion 670 Series Operation Manual page 33

1MRK500127-UUS Rev. M
Table 6:
LED state
Disabled
Enabled
Flashing
Table 7:
LED state
Disabled
Enabled
Flashing/blinking
Table 8:
LED state
Disabled
Enabled
Flasing
Alarm indicators
The 15 programmable three-color LEDs are used for alarm indication. An individual alarm/status signal,
connected to any of the LED function blocks, can be assigned to one of the three LED colors when
configuring the IED.
670 series
Operation manual
Normal LED (green)
Description
Auxiliary supply voltage is disconnected.
Normal operation.
Internal fault has occurred.
PickUp LED (yellow)
Description
Normal operation.
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
When IED is in simulation mode, yellow LED remains flashing/blinking
When IED IEC61850 mod value is set other than its normal value, yellow LED remains
flashing/blinking
The IED is in test mode and protection functions are blocked, or the IEC 61850 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 IEC 61850 protocol can be reset in Main
menu/Test/Reset IEC61850 Mod. The yellow LED changes to either Enabled or
Disabled state depending on the state of operation.
Trip LED (red)
Description
Normal operation.
A protection function has tripped. An indication message is displayed if the auto-
indication feature is enabled in the local HMI.
The trip 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
Configuration mode.
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Section 4
Overview
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