23
HVAD
®
Patient Manual
3.1 How the Controller Works (continued)
Table 2: Guide to Controller Display, Buttons, and Indicators (Refer to Figure 16)
The CONTROLLER DISPLAY gives pump information including
impeller speed (RPM), power (Watts), and blood ow (L/min).
When an alarm occurs, the pump information is replaced by
two lines of text that tell you what the alarm is and what to do.
For additional information on alarms, see Section 4.2.
The AC/DC INDICATOR will be green if you are using the AC
adapter or DC adapter to power the controller.
The two BATTERY INDICATORS located on the top of the controller
are labeled “1” and “2”. Either the “1” or “2” will be lit, depending
upon which port is providing primary power. If an AC or DC
adapter is connected, this will be the primary power source.
The Battery Indicators tell you approximately how much power
remains in each battery.
For additional information on battery capacity, see
Section 3.4
NOTE: If the AC adapter or DC adapter is connected to the
controller, the corresponding Battery Indicator will not display
lights but the corresponding “1” or “2” will be lit.
The ALARM INDICATOR lights when one or more alarms occur. The
Alarm Indicator changes colors depending on the severity of the
alarm and always displays the most severe alarm in the case of
multiple alarms.
For additional information on alarms, see Section 4.2.
The ALARM MUTE button will silence (mute) a low or medium alarm
for 5 minutes or until a new alarm occurs. A high alarm cannot
be silenced. Follow the instructions on your display screen. For
medium and high alarms, call your clinician.
The SCROLL BUTTON on the right side of the controller has 3 functions:
1. will allow all active alarms as well as pump information
(RPM, L/min, Watts) to be shown on the Controller Display.
2. will clear resolved medium alarms from the Controller Display.
3. will brighten the Controller Display.
Pressing and holding the ALARM MUTE button and the SCROLL
button for 5 seconds at the same time will prevent the [No Power]
alarm from sounding when power is removed during a controller
exchange (use only on a controller not connected to a pump).
For additional information on changing controllers,
see Section 4.9.
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