HLS PS25 & HLS PS50 User Manual
MN-DT-1305I_B 12
2.5 Indicator leds:
ON Led
This led is ON when the Control Unit is powered.
Fault Led
Yellow led that is O N in case of a Po wer Supply Fault. When
this indication is a ctivated, the C an d NC contacts of the fault
relay will be closed.
MAINS SUPPLY FAULT Led
Power Sup ply is not detected by the Cont rol Unit and it i s
powered by batteries. The internal led BAT-DIS is also
activated.
The led is ON immediately after detecting power. However, the
fault relay signal a nd th e FAULT led do n ot activa te until the
power supply fault remains for more than 8 minutes.
BATTERY FAULT Led
Battery is not detected by the Control Unit or the battery voltage
is below 22.4 Vdc, i.e., the 50% of its capacity.
The FAULT Led and the fault relay signal are also activated.
In case the internal le d LOW BAT is flashi ng it mea ns that the
battery voltage is close to 22.4 Vdc.
When the battery voltage is lower than 20.4 Vdc, both outputs,
PSO1 and P SO2, and th e Output 1 and 2 le ds will indicate a
fault condition.
The FAULT Led and the fault relay signal are also activated
BATTERY CHARGER FAULT Led
This led is on when there is a battery charger fault.
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