
Beckman Coulter · Model UniCel Dxl 600
Height: 67 in (170 cm) Width: 61.5 in (156 cm) Depth: 37.5 in (95.5 cm) Weight: 1065 lbs (483 kg) 60 sample tubes (15 racks of four tubes), continuous loading Primary tube released after aliquot is made (≤ 5 min.) 300 aliquots (≤ 200 L) per hour.
Compiled for this model from its own documentation and established engineering knowledge for this equipment class - not from a verified service record. Confirm against the manufacturer's service manual.
Symptoms: Controls out of range, calibration fails, flagged results on one or more assays.
Root cause: Reagent pack issue, a probe / dispense fault, incubation-temperature drift, or a detector / optics fault.
Symptoms: Short aspiration, no dispense, clot / level-sense errors, carryover.
Root cause: Clogged or bent probe, a syringe / pump fault, or a level-sense fault.
Symptoms: High background / noise, poor precision, elevated blanks.
Root cause: Blocked wash-station nozzles or a wash-pump / vacuum fault.
Symptoms: Assay drift or bias, incubation-temperature alarm.
Root cause: Incubator heater or temperature-sensor fault.
Symptoms: Low signal, high CV, detector-error message.
Root cause: PMT / detector ageing or an optics fault.
Serviceable items for this model, compiled from its documentation and engineering knowledge for this equipment class. Service class and relative cost are estimates, not manufacturer figures; no part numbers are given. Confirm intervals and pricing against the manufacturer.
| Part | Service class | Relative cost | R&R difficulty |
|---|---|---|---|
| Sample / reagent probe | Periodic replacement | $$ | Moderate |
| Syringe / dispense pump | Periodic replacement | $$ | Moderate |
| Wash-station nozzles / pump tubing | Frequent wear item | $ | Moderate |
| Incubator heater / temperature sensor | Major service part | $$ | Moderate |
| Detector / PMT module | Major service part | $$$ | Difficult |
Relative cost: $ lowest · $$$$ highest service-part cost for this equipment class. Not a price.
Preventive-maintenance tasks typical of this equipment class. Perform to the manufacturer's procedure and your facility's policy - this is general reference, not a schedule for this specific unit.
A starting sequence for this model, compiled from its documentation and engineering knowledge for this equipment class. Follow the manufacturer's service documentation for the actual procedure.
Where this class of equipment is typically deployed - general reference, not this unit's own placement record.
Synced live from the FDA openFDA API.
Beckman Coulter has determined that, due to a potential communication issue, the analyzers listed above may not successfully restart following a standard shutdown, even after multiple attempts. If this issue occurs, the instrument will be unable to complete initialization and transition to Ready mode and the instrument will not process patient samples, QCs or calibrators. This causes delayed results.
An internal investigation has determined that due to defective sub-components within the gantry assembly, a z-axis CAD movement motion error may occur and cause an analyzer to enter a Not Ready or Paused state, leading to a delay in obtaining results.
Identified reagent lots are experiencing a high rate of calibration failures with failure code of "Max Iterate" on Access 2 and UniCel Dxl Immunoassay Systems. Reporting of results may be delayed due to the time required to achieve a passing calibration curve.
The analyzers were built with nonconforming USB cables made with brass contacts instead of specified gold contacts. Brass contacts may corrode over time, leading to loss of internal instrument communication and delayed patient results.
When the DxI 9000 Access Immunoassay Analyzer with system software version 1.16.2 and prior is configured to automatically request a calibration order, the instrument can process the order with expired calibrator material. If the calibration curve is generated with an expired calibration material lot, this may lead to a hazardous situation of erroneously high or low patient results reported to the physicians.
When racks are front-loaded onto the sample presentation unit while samples from the automation line are being processed, a scheduling error within the software can cause mishandling of samples during the creation of an aliquot and lead to incorrect results being generated. Affected samples typically yield non-reproducible falsely decreased results by up to 100%, however the potential for falsely elevated results cannot be ruled out.
There is a possibility of specimen misidentification for the stand-alone DxH 800 and DxH 600 where the Primary Identifier is configured to Tube Position ID.
Beckman Coulter is recalling the DxH 800 Slidemaker Stainer Software version 3.0.2.0 and DxH 600 software version 1.1.1.0 because the software for the DxH systems allows the creation of multiple orders with the same Specimen identification (ID) but different Patient identification when manually editing pending orders at the System Manager.
Beckman Coulter is recalling the Sample Probe Cable because nonconforming sample probe cables may been installed on newly manufactured and/or recently serviced UniCel DxI 600 and 800 Access Immunoassay Systems, UniCel DxC 660i, 680i, and 860i, and UniCel DxC 880i Synchron Access Clinical Systems instruments. Use of a nonconforming sample probe cable can casuse a delay in reporting results, but wi
Beckman Coulter is initiating a recall for UniCel DxH 800 Coulter Cellular Analysis System (PN 629029) and UniCel DxH 600 Coulter Cellular Analysis System (PN B23858) because the company's internal investigation indicates that specific lots of check valves used in several locations within the DxH 800 and DxH 600 systems may fail. A failure may result in an air or liquid leak at the VCS Waste Chamb
The recall was initiated because Beckman Coulter has received seven reports of a software anomaly for the UniCel Dxl Immunoassay Systems. If undetected, this anomaly may cause erroneous test results.
The recall was initiated because Beckman Coulter has confirmed customer reports that different results have been obtained using the same patient samples on Access/Access 2 and UniCel Dxl platforms. Values obtained with UniCel Dxl systems have been demonstrated to have a positive bias compared to values obtained with Access or Access 2 systems.
Incorrect results: There is an increased variance in assay performance when the UniCel Dxl 800 Modification (MOD ID 10027) and/or UniCel Dxl 800 Modification (MOD ID 6733) have been implemented and there are room fluctuations after assay calibration between the extremes of the 18C and 32C operating range.
Erroneous Results - UniCel Dxl Access Immunoassay Systems Reaction Vessels have been found to be defective and there is a potential for an increase in signal leading to an erroneous result.
The neck of the wash buffer cube can be extended higher than intended possibly causing the system to aspirate air instead of buffer before the buffer container is empty without the system immediately indicating that the supply is empty. This may lead to incorrect assay results.
The UniCel Dxl 800 Access Immunoassay may aspirate a sample from an incorrect rack and generate a result, which is not flagged (under a specific set of circumstances)
Beckman Coulter has confirmed reports of rare occurrences of UniCel Dxl 800 Access Immunoassay Systems Reaction Vessels that are deformed or flattened in their packaging bags for lot 04250160. Deformed or flattened RVs could present a rish of causing jams on the UniCel Exl 800 Access Immunoassay Systems that may require service intervention and could compromise sample analysis.
Software coding error may cause a fatal error message.
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