Functions And Signals; Acoustic Signals - LEGRAND WHAD 3 100 96 Manuel D'installation

4.1 luminous signals:
With reference to the diagram on page 12, the luminous signal [2] has the following functions:
• green MAins leD
- On fixed: mains is regular, inverter is synchronous.
- Flashing: mains is out of tolerance, but present and sufficient for correct operation, or inverter
is not synchronous.
- Off: mains is not present or too low in respect to the load.
• Yellow BATTerY leD
- On fixed: battery operation
- Flashing: battery reserve level, or end of autonomy, or negative battery test.
- Off: mains operation.
• red AlArM leD
- On fixed: UPS operation is blocked.
- Flashing: fault in one power module.
- Alternating short-long flashing: wrong connection of neutral, input conductor (if neutral sensor
is enabled).
- Off: normal operation
- On fixed: anomaly in output voltage
- Flashing: overload
- Off: normal operation
- Short flashing every 3 sec: warning of imminent overload
• Yellow BYPAss leD
- On fixed: bypass in operation (output supplied directly by mains)
- Off: output supplied by inverter.
4.2

Acoustic signals:

• Continuous sound: UPS operation is blocked.
• Slow intermittent sound (one beep every 12 seconds): battery operation.
• Fast intermittent sound: overload or fault.
• Alternating, slow-fast intermittent sound: autonomy reserve, or negative battery test, or wrong
connection of neutral, input conductor (if neutral sensor is enabled).
• Single beep: signals switching on of UPS, or recognition of request for battery test, or end of
battery test with positive result.
4.3 Controls:
The UPS is managed by means of the button on the front panel, illustrated in the diagram on page 12.
1 On / Off Button:
- Press briefly to switch the UPS on: confirmation is given by the momentary lighting up of LED
[2] and by a short acoustic signal (beep).
- Keep the same button pressed for approximately 2 seconds to switch the UPS off, confirmed
by the intermittent beeping of the buzzer.
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4 functions and signals