Medivance Arctic Sun 2000, Service Manual

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5.2.2 Stage 4: Temperature Out Calibration
1. Press the Enter Key if calibration is desired. The sequence
may be aborted at this stage if only verification is desired.
2. The “Calibrate System” menu screen displays the number of
“Cal Hours” that have elapsed since the system was last
calibrated.
5.2.3 Stage 5: Acceptance
1. Save the calibration data, if desired, by pressing Enter on the
“Save Calibration Values” screen. If only verification is
desired, do not save. If the new data is not saved, the
calibration will revert to the previous set of values.
Note:
If the Up arrow is pressed at this time a “No Calibration
Values were Saved” prompt displays and pressing the Enter
produces the Exit screen.
5.2.4 Stage 6: Water Temperature Alarm Test
1. Press the Manual Mode Key.
2. Press the Down Key once and change the “Water Target
Temperature” to 42
°
C.
3. Press the Home Key.
4. Allow the water temperature to stabilize at 42
°
C for at least 5
minutes.
Note:
It is important to allow the temperature to fully stabilize
at 42°C. If it does not, it may not be possible to attain the
alarm conditions.
5. Press the S4 switch on the CTU. Monitor the
T3
temperature
and release the switch once the temperature reaches 44.5
°
C.
6. Start the timer when the
T1
temperature reaches 43.01°C.
Verify that Alarm 37 sounds in less than 18 seconds.
Note:
If the T1 water temperature drops below 43.01°C,
restart the timer when the water again reaches 43.01°C.
7. Turn power off.
8. Turn power on and allow the Control Module to start normally.
9. Press the Manual Mode Key.
10. Press the Down Key once and change the “Water Target
Temperature” to 42
°
C.