Calibration Errors
Introduction
UniCel DxC Systems Instructions For Use A13914 Troubleshooting Calibration and Result Errors
October 2005 Page 13-1
13
CHAPTER 13 Troubleshooting Calibration and Result Errors
Troubleshooting Calibration Errors
Calibration Errors
Introduction
The following pages contain descriptions of calibration reports for linear, non-linear,
electrolyte module, and cup module chemistries and explanations of what each field
on the report is used for when calibrating each chemistry type.
Calibration Error Checking
Calibration and Result Error checking is used to flag system and reagent issues. Error
checking is performed on the final result and on interim steps of the reaction. The error
flags may be directed to a calculated calibration factor or to any of the interim data
used to generate a final calibration result. The flags may be indicative of a variety of
different hardware, reagent, or sample (calibrator) issues and can be used to
troubleshoot different system issues. Any calibrator or sample outside of any one or
more calibration limits will be flagged.
Calibration Error Flags
Table 13.1 below is a general list of the calibration errors for linear, multipoint, and
MC calibrations. These errors are listed in the "Failed Calibration Report" area of the
calibration report. Descriptions of each of the calibration error flags are listed, in more
detail, by calibration type in the following sections.
Table 13.1 Calibration Error and Remarks
Printed Flag Remarks on Report Description
BACK TO BACK Calibration failed Precision error.
CAL FAILED Calibration failed Calibration failed.
CHEM DB ERROR Chemistry database error.
HI REAGENT High reagent level.
LO REAGENT Low reagent level.
MATH ERR Calibration required Math error – Calibration
does not fit expected
model.
NO SAMP DETECT No sample detected.
OCR HIGH Calibration failed Response out of range
high.
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