Sample Flow Routine - Siemens RAPIDLAB 248 Operator's Manual

Page 4-12

Sample Flow Routine

This routine checks the sample pathway from probe to waste bottle. It
also checks the fluid detectors.
1. From Ready (or Not Ready) press # for menu and 3 for
2. Lift the probe lever.
3. Present a test sample (for example, a QC sample). To start the
4. Watch the sample as it goes through the pre-heater. When the
Figure 4-4. Location of Fluid Detectors
5. Watch the sample as it goes through the measurement block. When
6. Continue pressing # and remove the sample from the probe. Watch
7. When the trailing edge of the sample reaches the first fluid detector
8. Watch the trailing edge as it goes through the measurement block.
9. By presenting and removing the sample you can repeat the test.
10. Press * to cancel the test.
11. If either of the fluid detectors fail the test replace them following
Troubleshooting. From Troubleshooting press 2 for Sample Flow.
→ Troubleshooting → Sample Flow
press * to Exit
sampling press and hold # .
sample reaches the first fluid detector check that the FD1 box on
the display changes from empty to solid.
the sample reaches the second fluid detector check that the FD2 box
on the display changes from empty to solid.
the trailing edge of the sample as it goes through the pre-heater.
check that the FD1 box on the display changes from solid to empty.
When it reaches the second fluid detector check that the FD2 box on
the display changes from solid to empty.
the instructions on the packaging.
Lift probe to test
sample flow
248 Operator's Manual
FD 1
FD 2