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Summary table of LED signals

The following table summarises the signals available with the protection LEDs and the operations to be carried out in response to
alarms or fault conditions signalled.
Slow flashing
Type of Information
(0.5Hz)
Colour and LED
Internal configuration
error
Trip coil disconnected
or trip command
failed
Current sensors
x
disconnected
Rating plug error
Protection delay
Temperature alarm
(1)
L prealarm
Trip
(2)
Hardware trip
(3)
Installation error
Parameters error
Circuit-breaker state
not defined or in error
Error on local bus
Maintenance alarm
(1)
The temperature alarm is signalled by lighting of the protection L and I red LEDs.
(2)
The last trip can also be displayed with release off, by pressing the iTest key.
(3)
The hardware trip is signalled by lighting of the Prealarm L yellow LED and the protection I red LED.
Key to LED colours
The above table lists the colors of the LEDs, to be interpreted as follows:
• R = red LED (Alarm LED L, S, I, G).
• G = yellow LED (Prealarm LED L).
NOTE: for further details refer to the table listing the components of the interface, available on page 35.
50 | © 2013 ABB | 1SDH001000R0002 - L7804
Fast flashing (2 Hz)
x
x
x
x
x
On and fixed
x
x
x
x
x
3
2 flashes
flashes
every 2s
every
3s
X
x
x
x
x
Continued on the next page
Ekip Dip protection release | 5 - List of alarms and signals
ABB | SACE Emax 2
4
flashes
every
4s
HELP
A
B
B
B+E
C
C
C
C
B
E
D
B
x
F
F

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