Alarms: AD.A module
User’s Manual, DU3310103-MRI / rev.3 - 02.05.2019
8-7
Power failure fault (main power supply)
Battery symbol combined with green led:
• Full battery
• Recharging battery (with main power supply connection)
Battery symbol combined with red-green flashing led:
• Battery charge level = 100%
Without main power supply connected the led starts flashing in red-
green colour, with activation of an acoustic signal which could be
silenced; max foreseen operation in standard configuration,
Battery symbol combined with flashing led in red-orange colour:
• Battery charge level = 50%
With no main power supply connected the led continues flashing in
red-orange colour; hear no beep.
Battery symbol combined with red led:
• Battery charge level = 10%
An acoustic signal is activated and cannot be silenced; residual
operation lower than 10minutes.
Flashing led in red colour (high priority alarm): such an high severity
alarm condition indicates that the battery is almost completely
exhausted.
The membrane key, during the normal operation phase of ventilator,
allows silencing of the active acoustic alarm.
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