Commissioning, Operation - ABB NT/S 12.1600 Manual Del Usuario

Commissioning/Operation
Commissioning:
Connect power supply to a 230 V AC supply.
The LED „230 V AC = OK" should light. If the
LED „12(24) V DC = OK" does not light a fault
is present. Possible cause — short circuit or
overload.
Operation:
The „230 V AC = OK" and „12(24) V DC =
OK" LEDs both light — the device is working
correctly.
The „230 V AC = OK" LED does not light —
mains supply not present or device is defect.
The „12(24) V DC = OK" lights with reduced
intensity or flickers — Overload
The „12(24) V DC = OK" LED does not light
— short circuit