Alarms That Resolve OnTheir OwnThe audible indicator willshut off if an alarm conditionis resolved before you pressMUTE ALARM. The visualmessage, however, willcontinue to be displayed,with the alarm header ona gray background, for 20minutes or until you pressMUTE ALARM. This allowsyou to identify the alarm thatoccurred.7.2ALARM DISPLAYThe alarm window is located in the upper left region of the display screen on the front of theAutomated Impella® Controller (see Figure 7.1). Alarms are listed in order of priority, with thehighest priority alarm at the top. Up to three alarms may be displayed at one time. The coloredbackground behind the highest priority alarm will alternate between two shades of that color.The white panel displayed to the right of the alarm header contains instructions for resolving thealarm condition. The instructions should be followed in the order given.Mute Alarm IndicatorImpella RP S/N: 123456Purge Flow LowAlarmWindowPurge Volume Low60CONTROLP-9-201000(mA)600/550(575)0Impella Flow4.0Figure 7.1 Alarm WindowMUTE ALARM FUNCTIONPressing the MUTE ALARM button on the upper right of the Automated Impella® Controllerdisplay screen will silence the audible alarm indicator for 2 minutes (for red or yellow alarms) or5 minutes (for white advisory alarms). When an alarm is silenced, the words “MUTE ALARM”next to the button are replaced by the mute alarm indicator, a crossed-out bell icon (as shown inFigure 7.1).ALARM HISTORY SCREENThe alarm history screen may be accessed through the MENU. This screen contains a log of thealarms that occurred during the case. This log is not maintained when the Automated Impella®Controller is powered down or after a power failure. The controller does, however, maintain along-term log that is saved after the Automated Impella® Controller is powered down or after apower failure and this information may be downloaded by Abiomed personnel.Instructions for Use & Clinical Reference Manual (US)4.1 Max___ __ __ __ __ __ __ __ __ ___ __3.9 MinSuction1. Check purge system tubing for kinks.2. Decrease concentration of dextrose in the purge solution.1. Check volume status.2. Check Impella position.3. Reduce flow or performance level.Open the Purge System menu and select Change Purge Fluid.2. Follow the instructions to change the purge fluid.L/min Purge Flow: 1.0 ml/hr30 - 06 - 2011 05:30Purge System System Power100%10 sec.10 sec.PlacementSignal(mmHg)42/20(31)MotorCurrentFLOWDISPLAYPURGESYSTEMMENU1.0.00.0Instructions for Use & Clinical Reference Manual (US)