135HeartWare™ HVAD™ System Alarms and Emergencies
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Appendix
Reference
Guides
Alarms and
Emergencies
Patient
Management
Surgical
Implant and
Explant
Monitor
Peripherals
and
Accessories
HVAD
®
PumpOverviewIntroduction
8.4 Low Priority Alarms (continued)
The Following are Low-Priority Alarms:
[Low Battery]: This alarm is triggered when both batteries have a remaining capacity < 25% and/
or if one battery has < 25% when the other power source is the AC or DC adapter.
[Power Disconnect]: This alarm is triggered if:
a controller power source is disconnected or defective.
the communication between the controller and battery is interrupted and the second power
power despite the communication interruption.
The alarm will clear if communication is restored and/or the power supply should be replaced
immediately because the patient will be without a back-up power source.
WARNING! ALWAYS respond to low battery alarms. Silencing an alarm does not resolve the alarm
condition and will eventually deplete the batteries.
WARNING!
since this will stop the pump. At least one power source must be connected at all times.
8.5 Multiple Alarms
It is possible to have concurrent alarm conditions. For multiple alarms, the Alarm Indicator will
display the color of the most severe alarm and the alarm will sound the most severe alarm. An
arrow is displayed on the right side of the alarm for multiple alarms (Figure 114). Use the “Scroll”
button to see all active alarms.
Figure 114: Controller displaying multiple alarms
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