8. Head Up/Down Test
This test first rotates the operating head to the left to wipe the probe
and back to the center; then it continuously cycles the operating
head down and up until STOP is pressed.
Observing the following cautions will help avoid damage to the
instrument during this test:
a. Do not start this test with a sample tube on the operating head
because the test begins by attempting to wipe the probe.
b. Do not start this test with a cassette under the operating head
because the cassette will not be properly positioned.
On entry, “[START] Test [STOP]” is displayed. Press START to
begin the test.
Press STOP to raise the operating head and exit to the test menu.
NOTE Tests 8 through 11 are designed to test only the function
listed; to check cassette positioning and sample tube han-
dling, run the tube transport test, test 12.
9. Cassette Index Test
This test continuously cycles the cassette index mechanism.
On entry, “[START] Test [STOP]” is displayed. Press START to
begin the test.
If a cassette is in position to be engaged by the cassette index mech-
anism, it will be moved forward one position per cycle unless STOP
is pressed.
Press STOP to exit to the test menu.
10. Cassette Pusher Test
This test continuously cycles the cassette pusher.
64
The Advanced
®
Model 4C3 User’s Guide
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