Thoratec HeartMate III, Instructions For Use Manual, Page: 356 / 458

7 Alarms and Troubleshooting
7-28 HeartMate III Left Ventricular Assist System Instructions for Use
Controller Clock Not Set - System Monitor
Table 7.19 Controller Clock Not Set Alarm
This is an Advisory alarm
The System Monitor screen
looks like this:
Behavior and appearance: System Monitor alarm active: Controller Clock Not Set
Alarm means:
The System Controller’s internal clock needs to be set.
Installing a new 11 Volt Lithium-Ion backup battery in the
System Controller may prompt this alarm.
To resolve alarm:
Clinicians should use the System Monitor to set the
System Controller’s internal clock (See
Date and Time on
page 4- 40).
Note: Be sure the System Monitor clock is correct.
Alarm silence period:
The Silence Alarm button will appear for this alarm
condition. In this case, the button will not perform any
function.