7.6
Severity Alarm Header
Impella
Flow Reduced
Impella
Flow High
Purge Volume Low
Purge Flow Increased
Purge Flow Decreased
Audio Off
AC Power Disconnected
Purge Cassette
Incompatible
Action
1. Check Impella position.
2. Check left side filling and volume
status.
3. Reduce flow setting or performance
level.
Unable to achieve set flow rate (or
performance level).
Check for high afterload pressure.
1. Open PURGE SYSTEM menu and
select Change Purge Fluid.
2. Follow the instructions to change the
purge fluid.
The purge flow has increased by
2.5 mL/hr or more.
This is a notification only; no action is
required.
The purge flow has decreased by
2.5 mL/hr or more.
This is a notification only; no action is
required.
The auditory signal for the following
alarm has been disabled.
<Alarm will be listed here>
Controller is running on battery power.
Contact Abiomed Service to update
Impella Controller.
Cause
Motor speed has been reduced in
response to suction.
Reverse flow has been detected
and minimum motor speed has
been increased to more than target
flow (or target performance level)
There are 30 mL (in addition to
5% of the starting bag volume) or
fewer remaining in the purge fluid
bag.
Purge flow has increased by
≥
2.5 mL/hr.
Purge flow has decreased by
≥
2.5 mL/hr.
User has disabled audio for Impella
Sensor Failure, Purge Flow Low, or
Purge System Blocked alarm.
AC power was disconnected.
Incompatible purge cassette RFID
version.
Table 7.2 Automated Impella
®
Controller Alarm Messages (continued)
Instructions for Use & Clinical Reference Manual (US)