9.2.5 Testing the Vacuum Pump
This test is not designed as a performance test for the measurement of negative
pressure. The test only indicates whether or not the vacuum pump is operational.
(1)
1.
Check to be sure at least one port is opened into the container.
2.
Press the Pause/Resume button.
3.
Place a finger lightly over the suction openings (Fig. Vacuum pump exhaust
ports [} 51], (1)) and check whether you can feel a sucking air flow.
Enter the results into the test log in section Test log [} 62]. The test is successfully
completed when a stream of air can be demonstrated.
9.3
Determine the Software Version
The software version of the pump may be required for further analysis.
Follow these steps to determine the software version:
1.
Turn device on and wait for the device self-test.
2.
Press the Pause/Resume button for at least 1 second.
3.
The software version of the pump is depicted in the "Deficit Limit" display and
consists of a 5-digit numerical sequence.
Enter the determined software version into the test log in Section Test log [} 62].
Annual Inspection
Fig. 9–3 Vacuum pump exhaust ports
(1)
Suction openings
en
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