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34006452EN/AC - Page 18
Control panel
Buzzer
"Load not protected" light
"Operating problem" light
"Battery operation" light
The buzzer sounds in the following situations:
– load supplied by Mains 2;
– load on battery;
– operating problems.
It beeps at a low decibel level and slow rate for minor problems and when the load is supplied from battery power.
When the "low battery shutdown imminent" warning is received, the beeps increase in decibel level and rate.
Finally, if the inverter shuts down, the beep is loud and continuous. A buzzer reset button is located on the hidden control
panel. If the buzzer is reset, a higher level alarm will set it on again.
This red light signals that:
– the load is supplied by Mains 2 following inverter shutdown (initiated by the user or by a protective device or a sudden
overload) or the opening of the inverter output switch Q5N;
– battery circuit breaker QF1 has opened, thus making battery power unavailable.
Note:
In a parallel system, this light concerns only the specific UPS. The load may still be protected by the other lines.
This orange light signals an operating problem or an environment fault, however the load is still supplied by the inverter.
– operating problems:
static switch ventilation fault,
static switch control system fault;
– environment faults:
battery temperature outside tolerances,
overload greater than 5 %;
– Mains 2 up but with voltage, frequency or phase characteristics outside tolerances with regards to the inverter.
This blinking orange light signals that the load is on battery power following:
– a Mains 1 outage or voltage drop;
– insufficient power on Mains 1, for example power supplied by an engine generator set requiring additional battery power;
– battery problem.
1
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beep...beep...
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2
2
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3
3
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O
4
4