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4.1 Status LEDs
4.1
Status LEDs
The LEDs on the operator panel indicate the status of the device and/or the controlled
switching devices. The meaning of the various LEDs is shown in the following table:
No.
LED
LED ON
3
TEST
Shows a steady orange light if
the ATC6500
transfer control device is in test
mode. (For more information,
refer to chapter Operating mode
(Page 139))
5
AUT
Shows a steady orange light if
the ATC6500
transfer control device is in auto-
matic
mode. (For more information,
refer to chapter Operating mode
(Page 139))
7
MAN
Shows a steady orange light if
the ATC6500
transfer control device is in man-
ual
mode.
9
OFF
Shows a steady orange light if
the ATC6500
transfer control device is in OFF
mode.
13
Source 2
Shows a steady orange light if
closed
the switching
(BRK 2)
device of Source 2 is closed.
15
Source 2
Shows a steady green light if the
available
voltage and frequency are within
the defined thresholds.
16
Source 1
Shows a steady green light if the
available
voltage and frequency are within
the defined thresholds.
19
Source 1
Shows a steady orange light if
closed
the switching
(BRK 1)
device of Source 1 is closed.
18
ALARM
-
34
LED OFF
Does not light if the ATC6500 transfer
control device
is in the manual or OFF or automatic
mode.
Does not light if the ATC6500 transfer
control device
is in the manual or OFF or test mode.
Does not light if the ATC6500 transfer
control device
is in the automatic, OFF or test mode.
Does not light if the ATC6500 transfer
control device
is in the automatic, manual or test
mode
Does not light if the breaker of Source
2 is not closed.
Does not light up if the voltage and
frequency are outside the defined
thresholds.
Does not light up if the voltage and
frequency are outside the defined
thresholds.
Does not light if the breaker of Source
1 is not closed.
-
LED FLASHING
Flashes orange if the ATC
is connected via communi-
cation and test mode is
active.
Flashes orange if the ATC
is connected via communi-
cation and automatic mode
is active.
Flashes orange if the ATC
is connected via communi-
cation and manual mode is
active.
Flashes orange if the ATC
is connected via communi-
cation and OFF mode is
active.
Flashes orange if there is a
discrepancy between the
desired status of the
ATC6500 transfer control
device and the actual status
detected from the feedback
signal.
Flashes green until the
voltage is back within the
defined thresholds.
Flashes green until the
voltage is back within the
defined thresholds.
Flashes orange if there is a
discrepancy between the
desired status of the
ATC6500 transfer control
device and the actual status
detected from the feedback
signal.
Flashes red if an alarm is
active. You can find more
information on this in chap-
ter Alarms (Page 61).
3KC ATC6500 transfer control device
Manual, 05/2019, L1V30538268002A-01
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