Thoratec HeartMate III, Instructions For Use Manual, Page: 162 / 458

3 Powering the System
3-76 HeartMate III Left Ventricular Assist System Instructions for Use
IMPORTANT! During calibration, the yellow light for this pocket remains on and the words
HeartMate CHARGER appear on the display panel screen. If the number button is pressed for this
pocket while the battery is being calibrated, the calibration status screen appears
(
Figure 3.81 ).
When calibration is complete, the yellow light turns off and the green light comes on. This
indicates that the battery is charged and ready for use.
Figure 3.81 Calibration Status Screen Indicating that Battery in Pocket 4 is Being Calibrated
T
O CHARGE THE BATTERY NOW
(
AND CALIBRATE THE BATTERY AT A FUTURE TIME
):
Do nothing when the yellow light begins blinking. After ten seconds, the charger continues with a
normal charge cycle.
IMPORTANT! It is acceptable to charge and reuse the battery, but it should be calibrated as soon
as possible.
If the battery calibration is canceled after the calibration process has begun, complete the
following steps:
1. Remove the battery from its charging pocket to cancel the calibration.
2. If the battery is removed before calibration is complete, recharge and check the battery before
using it.
If a battery is removed before calibration ends, the battery may be depleted.
3. Use the on-battery power gauge to check the battery charge status.
CAUTION !
Calibrate a battery as soon as possible after being prompted to do so to ensure the best
possible battery performance. Calibration can take up to 12 hours. Therefore, be sure to
have enough charged batteries available before calibration begins. Under normal
conditions, have four charged batteries available so that batteries can be exchanged
twice during a 12-hour calibration cycle.