Beckman Coulter UniCel DxC 600, Инструкция по эксплуатации

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A13914AF
12-21
Troubleshooting Calibration and Result Errors
Error Code – Definitions
12
Reaction Absorbance High/Low — The mean absorbance measured during the reaction spin cycles
exceeded limits. The units are measured in absorbance and will usually characterize sample integrity. If
a high flag is triggered, dilute the sample and rerun. If a low flag is triggered, rerun sample for verification,
except for TDMs. TDMs with low reaction absorbance flags should be diluted and rerun.
Reaction Noise (Mean Deviation) — The average difference between the reaction absorbance readings
and the line of regression is greater than allowed. This checks for constant noise during the spin cycle.
This flag may indicate possible issues with a photometer reading. Also, results below the low end of the
analytical range may trigger the
RXN NOISE flag.
Reaction Outlier (Maximum Deviation) — A single reaction absorbance data point, obtained during the
reaction read window, deviates more than allowed from the line of regression. The units are measured in
delta absorbance and will check for noise during the reaction read window. This flag may also indicate
possible issues with a photometer reading.
Reaction Rate High/Low — The rate calculated during the reaction read window exceeds reaction rate
limits. Units are measured in delta absorbance/minute. If a high flag is triggered, dilute the sample and
rerun. If a low flag is triggered, rerun sample for verification. The low flag may also indicate an old or
contaminated reagent cartridge.
It is not appropriate to report a result of ">" or "<" the analytical range of the analyte for this error code.
Reagent Days Exceeded — On-board reagent has exceeded the usable days. The result should be verified
as acceptable before reporting the value.
Reagent Expired — On-board reagent has exceeded its Lot Expiration Date. The result should be verified
as acceptable before reporting the value.
Reagent Not on Board — Tests could not be run as programmed; reagent was not loaded on the system.
Reference Signal Noise — The difference between the high and low values of the eight reference readings
(taken milliseconds apart) has exceeded the limits allowed. Units are measured in ADCs and are a
measurement of the ISE reference electrode noise observed during the reference cycle. Consistent flags
may indicate poor system grounding. Other causes include bubbles in reagent, pinched lines, or anything
which may interrupt reference reagent flow.
Rerun Result — Test result is a rerun result.
Result Error — This error occurs when a result does not fit into a specific calibration curve. Rerun the
sample for verification. This error may indicate sample interference issues. It may also indicate issues
with photometer performance. Contact Beckman Coulter Support Center for additional information.
Sample in Wrong Rack — The requested tests have been programmed in the wrong rack when pre-
programmed reserved racks have been specified for requested tests. Refer to Reserved Racks/Obstruct
Detect in CHAPTER 3, System Setup Options in this manual for additional information on reserved racks.
Sample Signal Noise — The difference between the high and low values of the eight sample readings has
exceeded the limits allowed. Units are measured in ADCs and are a measurement of system noise
observed during the sample cycle. Consistent flags may indicate poor system grounding.
Set Point Modification — The calibration being used for this specific result was performed with adjusted
set point values. The test result associated with this Result Error code is directly affected by these
calibration adjustments. Refer to
System Calibration in CHAPTER 4, Reagent Load/Calibration in this
manual for additional information.