D75 Lamp Failure - Bayer HealthCare RapidPoint 400 Series Service Manual

Message

D75 Lamp Failure

D75 Qualifier Descriptions
D75 indicates a failure of the CO-ox halogen lamp and occurs during PUI
and each zero, full calibration, wash, and sample analysis.
CO-ox results are not reported for the current sample, but all other
parameters in calibration report results.
CO-ox sample results are not reported until the error is cleared.
210
Probable Cause and Corrective Action
The system detects that the CO-ox halogen lamp has failed
and has probably burned out.
The system can measure samples and report results for
NOTE:
parameters that are still available.
1. Shut down the system as described in Shutting Down the
System, page 256, wait 10 seconds, and then turn the
system on.
2. If the message appears again, replace the lamp as
described in Replacing the CO-ox Lamp in Replacing
Components.
Service Solutions
Perform service solutions only after all other corrective actions
have been completed.
1. Remove the lamp and reinstall. Then perform the Lamp On/
Off test.
2. Perform the Lamp Calibration.
3. Verify that the rear cover does not shift the lamp position.
Remove the rear cover, reinstall the lamp, and restart the
system (with cover removed).
4. Replace the halogen lamp and perform the Lamp
Calibration.
5. Check the 5-volt supply. On the UIP board, test on the fuse
(silver rectangle labeled F1 in the upper left corner) for 5.05
to 5.1 volts.
6. Check the fiber bundle connection to the Main board at U3.
7. Replace the Main board.
Rev. C