Bruker BMPC/2, Technical Manual

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38 Z31823_00_05
Software
5.5.3 Manual Start of the Pump Test
It is also possible to check the function of the spare pump manually. To start the pump
test manually:
1. Select the
OFF
mode in the menu bar.
2. Select
Tools
-
Options
-
Pump Control
-
Pump Test
.
3. Ensure that the checkbox „Enable Automatic Pump Test“ is checked.
4. Press the „Start pump test now“ button (
Figure 5.20 1).
5. The pump test will proceed as described in the automatic test. A status bar and text
output will show the status of the pump test cycle.
During the test the P1 field will display the P1 pressure and chart the values over
time. Likewise the helium flow will be displayed in the He Flow field and the values
over time will be charted. In both cases the x-axis will be adjusted automatically
Figure 5.20 Tools - Options - Control Unit - Pump Test
i
If the automatic pump test is disabled, a faulty backup pump will not be recognized. Thus
when the main pump fails there will be no backup up pump which could lead to instabili-
ties of the magnet. This will also trigger an alarm cycle.
1