HAT828 High Speed ATS Controller User Manual Page 11 of 56
5
OPERATION
Fig.1 – Panel Indication Drawing
5.1
INDICATORS
Table 4 – Indicators Description
Indicator Type
Description
Alarm
Slow flashing (1 time per sec) when warn alarm occurs; Fast flashing (5
times per sec) when fault alarm occurs.
Auto
Trans.
Auto
Restore/Non-restore
Green light on when it is in auto transfer/restore mode, red light on when it
is in auto transfer, non-restore mode.
S1 Indicator
Light on when S1 AC power supply is normal, flashing when it is abnormal,
light off when there is no power.
S1 Close Status Indicator
Light on when QS1 auxiliary contact is active, light off when it is inactive.
Flashes while switching to current status.
S2 Close Status Indicator
Light on when QS2 auxiliary contact is active, light off when it is inactive.
Flashes while switching to current status.
S2 Indicator
Light on when S2 AC power supply is normal, flashing when it is abnormal,
light off when there is no power.
Auto Mode Indicator
Light on when current mode is Auto mode.
Manual Mode Indicator
Light on when current mode is Manual mode.
Alarm Mute Indicator
Light on when the “Alarm Mute” function is active, light off when it is
removed or a new alarm is initiated.
