131HeartWare™ 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
8.2 High Priority Alarms (continued)
The Following are High-Priority Alarms:
*[No Power] (no message): If both power sources are disconnected from the controller, a loud,
®
power sources should be connected immediately. If this action does
not resolve the alarm condition, replace the controller.
WARNING! ALWAYS replace a controller with a blank display or no audible alarms. This condition is
predictive of a controller failure.
[VAD Stopped]: The HVAD
®
Pump will stop if the driveline is disconnected or if the controller fails.
The text message indicates whether to connect the driveline or change the controller.
[Controller Failed]: Indicates a potential controller failure and the controller should be
exchanged for a new controller. The HVAD
®
Pump may not be pumping.
For instructions on how to change the controller, see Section 8.7.
WARNING! ALWAYS switch to the back-up controller if there is a [Controller Failed] alarm since the
HVAD
®
Pump may not be running.
[Critical Battery]:
Displayed when there are a few minutes of battery time remaining to power the HVAD
®
Pump or
when the battery has malfunctioned. Replace battery 1 or 2 with a fully charged battery or use
the AC adapter or DC adapter.
Displayed if the communication between the controller and battery is interrupted and the
second power source is a battery with less than 25% charge capacity remaining. The battery
continues to provide power despite the communication interruption. The alarm will clear if:
non-communicating battery is disconnected,
communication is restored and/or
battery is still connected, the alarm will change to a [Power Disconnect], low priority alarm.)
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