Lock/alarm silence button, The lock led illuminates when in this mode, The alarm led illuminates when in this mode – Invacare MA85 User Manual
Page 24: Power fail led, Low pressure led, 7 powering up the system

4 OPERATION
Invacare®MA80 Series Mattresses
24
Lock/Alarm Silence Button
1.
Press the Lock/Alarm Silence button (
) to select one of the following modes:
•
Lock Mode - Pressing this button locks out all control unit functions, including the On button, to prevent any tampering with the settings.
Press the button for approximately 3-5 seconds for the Lock LED to activate.
•
Alarm Silence mode - Pressing this button silences the alarm that sounds in the event of power failure or when the hose is disconnected
from the control unit.
Power Fail LED
In the event of power outage, an alarm sounds and the Power Fail LED flashes AMBER. The control unit has internal memory and retains the previous
settings during the power outage.
Low Pressure LED
In the event that the mattress hose disconnects, an alarm sounds and Low Pressure LED flashes AMBER. Once the low pressure problem is fixed, the
control unit resumes operation in the previously set mode.
4.7
Powering Up the System
1.
Turn on the power to the system by pressing the Power button on the control unit.
The Lock LED illuminates when in this mode.
The Alarm LED illuminates when in this mode.
For this procedure, refer to FIGURE 5 on page 19.
Once the button is released, a green led illuminates when the unit is on.