Bayer HealthCare RapidPoint 400 Series, Service Manual, Page: 253 / 458

Rev. C Troubleshooting 253
7. The test results are printed as PASS or FAIL.
The tHb icon is set to the Not-In-Cal state regardless of test outcome
and the tHb icon returns to Cal at the next one-point calibration.
Wavelength Calibration Test
Use this test to check the neon lamp operation, the optical path of the
sample chamber, polychromator measurement functions, and
polychromator alignment.
NOTE:
This test may be run with or without a measurement cartridge in
place.
1. Ensure that the door is closed.
2. Touch the
Recall
button
.
3. Touch
Sample Totals
.
4. Touch
Diagnostics
.
5. Enter the service password, or use the password of the day.
The Diagnostics screen appears.
6. Touch the
Wavelength Cal
button.
All keys are disabled, the sample chamber is in the closed position, and
the lamp turns on.
The system measures the neon spectrum, calculates the neon line
centroid and compares it with alignment centroid of same line stored
in the polychromator to calculate polychromator shift.
CAUTION:
The system cannot perform routine fluidic activities while you
are at the Diagnostics screen or while you are performing diagnostic tests.
When you exit from the Diagnostics screen, the system may perform an
extended calibration before you can use the system.