Advanced Instruments 4250, User Manual

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Replacement, ” shown later in this chapter.
Record the sample probe resistance and bin number in the service log at
the end of this user’s guide (and/or other convenient location); then press
the STOP key. The display will revert to “ Probe Bin Test ” .
Press SETUP and use the procedure “ Set Sample Bin # ” described in
Chapter 2 to reset the sample probe bin setting as necessary.
NOTE Recalibration is required each time the sample probe is replaced
and/or the sample probe bin number is reset.
If running this test produces the message, “ Reset Probe Configuration ”
instead of the sample probe resistance and bin number, the sample probe
bin number is not available from the instrument memory and must be
reset. Press SETUP and use the procedure “ Set Sample Bin # ” described
in Chapter 2 to preset a random sample probe bin number, such as “ 5 ” .
Then press TEST and rerun the probe bin test. Finally, as necessary,
press SETUP and use the “ Set Sample Bin # ” procedure to correct the
sample probe bin setting. If the “ Reset Probe Configuration ” message
persists, please refer to Chapter 5 “ Obtaining Service ” to get help.
6. Barcode Test
This test performs a continuous check of the barcode port.
Press the
START key to enter the test. At “ [START] Test [STOP] ” you
may press START once the barcode scanner is connected, or press
STOP to return to the main menu.
After you press START you may begin scanning barcodes. If your code
will not scan, check the manufacturers user’s guide to verify correct
setup of the scanner for your symbologies.
Press
STOP to exit to the test menu.
NOTE This test will only work after power-on diagnostics have been
completed.
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Troubleshooting & Service