- 95 -
A
COUSTIC SIGNAL
(B
UZZER
)
UPS status and faults are signalled via a buzzer which emits a modulated sound depending on different UPS operating conditions.
The different types of sounds are described below:
Sound A:
This signal is emitted when the UPS is switched on or off using the appropriate buttons. A single beep confirms ON,
battery test activation, the cancellation of programmed shutdown.
Sound B:
This signal is emitted when the UPS switches to bypass to compensate for current surges due to the insertion of a
distorted current.
Sound C: This signal is emitted when the UPS switches to battery operation before No Battery is signalled (sound D). It is
possible to silence signals (see "Graphic display" paragraph).
Sound D: This signal is emitted when battery operation reaches No Battery alarm threshold. It is possible to silence signals
(see "Graphic display" paragraph).
Sound E:
This signal is emitted when an alarm or lock is detected.
Sound F:
This signal is emitted when a battery overvoltage fault is detected.
Sound G: This type of signal is emitted when the battery test fails. The buzzer beeps ten times. This alarm signal is emitted
while the "replace batteries" LED is on.
Summary of Contents for SEMIS T33
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