Bayer HealthCare Rapidlab 800 - Manual (Page 328)

4Ć44 800 Series Operator's Manual
D70 Optics Error:
Problem
The system detects an error in the CO-ox optical measurement system.
Qualifiers: 2 3 4 7 9
Solutions
Qualifier Procedures
2 Perform a pH/Lytes one-point calibration.
Replace the 7.3 Buffer/CO-ox zero reagent.
Check that the area around the sample chamber is free from lint or dust.
Prime and perform a pH/Lytes one-point calibration.
Clean the sample chamber as described in Cleaning the Sample
Chamber. It is not necessary to remove or replace the sample chamber
gasket.
3 Perform a pH/Lytes one-point calibration.
Perform CO-ox Optics test.
Clean the sample chamber as described in Cleaning the Sample
Chamber. It is not necessary to remove or replace the sample chamber
gasket.
4 Ensure the CO-ox cover is closed.
Perform a pH/Lytes one-point calibration.
7 Ensure the CO-ox cover is closed.
9 Contact your Service Representative.
If the D code reappears, contact your Service Representative.
D70