ZOLL Thermogard XP IVTM System Operation Manual - Manual (Page 37)

Operation
6
Cooling Engine Self Test
During SETUP and then every four hours, during run, the System will
dynamically test its cooling engine. This test will take a few minutes.
Cooling Engine Self Test - The Pump Will Stop
Each hour the System tests its cooling engine dynamically during RUN. These
tests are brief. The system will stop the pump during these tests to remove the
heat load from the patient during the test.
THE PUMP WILL STOP DURING THIS TEST - THIS IS NORMAL.
During these tests, the peristaltic pump is stopped (to remove the patient’s heat
load from the equation). The tests that are conducted depend upon the state of
the System at the time of the test. The test(s) done is(are) as follows:
Coolant Temperature Heating Test Cooling Test
<10 °C
 
10 °C - 38 °C  
> 38 °C  
 = will be performed  = will not be performed
You will not see any screen messages unless there is an abnormal result in
which case the appropriate alarm state will be called.
Sensor Checks
Figure 4-1. System Setup Screen
For the system to enter the next state, STANDBY, the following sensors must be
checked and found normal.
600479-001 Rev 2 37/147