ABB ATS-16 A Operating Manual page 15

LEDs and Push Buttons of the Operating Panel
LED PS1
(Preferred Source Indication)
LED PS2
(Preferred Source Indication)
PUSH BUTTON – BP2
(Selection button for Preferred
Source)
LED S1
(Source S1, Line status LED)
LED S2
(Source S2, Line status LED)
LED SW1
(Output power state LED)
LED SW2
(Output power state LED)
LED F1
(Fault LED)
PUSH BUTTON BP1
(Buzzer ON/OFF)
PUSH BUTTON – BPY WITH BP2
(Fault release)
STATUS
Approved
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LED PS1 ON (GREEN): Input source 1 is selected as the preferred
source (LED PS2 will be OFF when PS1 is selected
LED PS2 ON (GREEN): Input source 2 is selected as the preferred
source (LED PS1 will be OFF when PS2 is selected
(Default) PS1 is the default input source.
Each 3-second push will change the preferred source selection.
1. In normal operation, output power is always supplied from
the selected preferred source.
2. If the preferred source is abnormal, ATS will automatically
transfer to the other source of voltage
3. If both sources are abnormal, no voltage is transferred to the
output.
LED GREEN: Input source 1 is OK
LED FLASH: Input source 1 voltage / frequency is out of range.
LED OFF: Input source 1 failure (no power from source)
LED GREEN: Input source 2 is OK
LED FLASH: Input source 2 voltage / frequency is out of range.
LED OFF: Input source 2 failure (no power from source)
LED SW1 ON (GREEN): load is powered by input source 1.
LED SW1 OFF: load is not powered by input source 1.
LED SW1 ON (GREEN): load is powered by input source 2.
LED SW1 OFF: load is not powered by input source 2.
LED F1 ON (RED): Fault detected.
•
Overload fault
•
Output short circuit
•
Input Source relay fault
•
EPO active
LED F1 OFF: normal operation (no fault).
Each 1-second push will turn the Buzzer ON or OFF.
Each 3-second push on BP1 and BP2 together will release a fault
(you must clear the fault conditions first).
SECURITY LEVEL
Public
DOCUMENT ID.
4NWD003885
ATS -16 A
REV. LANG. PAGE
A EN 15/18