Sysmex UF-5000 / UF-4000
Sysmex · Model UF-5000 / UF-4000
Body Fluids The new technology opens up many unexplored diagnostic avenues. The integrated body fluid mode is available at the flick of a switch and delivers seven diagnostic parameters in BF mode. Clinical investigation of bacterial or viral infections in body fluids is possible through the WBC differentiation and bacterial count. Bacterial detection Further diagnostic significance is obtained thanks to the new blue laser, which offers greater sensitivity. Bacteria are stained with the new RFID dye reagents, contributing to greater accuracy for measurement and differentiation. UTI infections The new Gram pos / Gram negative flag provides valuable information as the clinician in understanding the patient with a UTI infection. The UF offers a faster and far easier way than the classic gram staining to provide the same information. You can now identify UTIs faster and reliably, to support clinical decisions in the choice of antibiotics to prescribe. Haematuria Historically, it has been challenging to differentiate RBC and crystals. Using the depolarised side scatter light in the FFC technology, results can indicate the presence and degree of haematuria. The analysis can also differentiate epithelial cells and casts. It offers a total of seventeen parameters in urine mode. Modular While the UF-5000 can be used as an excellent independent analyser, it truly lives up to its potential as an integral part of the UN-Series in a load and leave configuration. Place the samples in the rack, and simply let the system configuration do its work. If the samples are negative, all the better. If a closer look is warranted, digital images can be generated from the UD-10. Modular concept: easy to combine with other members of the UN-Series (UC-3500 and UD-10) for a fully automated urinalysis workflow. With the introduction of the Urinalysis Work Area Information Management System (U-WAM), Sysmex can improve the workflow efficiency of the new urinalysis series.
Key tips
- ·Run QC controls before trusting any repair - an analyzer that passes self-test can still report clinically wrong results.
- ·Rule out a reagent lot change before opening the instrument - it can look exactly like a hardware fault.
- ·Centrifuge rotors have a hard retirement age/cycle limit regardless of visible condition - don't eyeball it.
Typical Failure Modes
Failure patterns typical of this equipment class - general BMET reference, not verified against this exact unit's own service history unless flagged. Severity is a category-level estimate.
Centrifuge imbalance / bearing
HighSymptoms: Vibration, loud noise, stop error.
Root cause: Worn bearing or unbalanced rotor.
Reagent / wash flow fault
MediumSymptoms: Clogs, high blank, QC fail.
Root cause: Pump tube wear, air in line.
Temperature control fault
MediumSymptoms: Incubator out of range.
Root cause: Failed heater/fan or sensor.
Optics / lamp degradation
LowSymptoms: Low signal, wavelength drift.
Root cause: Lamp/LED or monochromator aging.
Serviceable Parts & Consumables
The parts a BMET typically services on this class of equipment. Service class and relative cost are general engineering estimates for the category, not figures from this unit's documentation. Part numbers appear only when pulled from this unit's own service manual. Always confirm intervals and pricing against the manufacturer.
Incubator heater / fan
Class Periodic replacementRel. cost $$R&R Moderate
Sample aspiration probe
Frequent R&R on high-throughput analyzers.
Class Periodic replacementRel. cost $$$R&R Moderate
Peristaltic pump tubing
Consumable, replace proactively.
Class Frequent wear itemRel. cost $R&R Easy
Xenon / LED light source
Class Periodic replacementRel. cost $$$R&R Moderate
| Part | Service class | Relative cost | R&R difficulty |
|---|---|---|---|
| Incubator heater / fan | Periodic replacement | $$ | Moderate |
| Sample aspiration probe Frequent R&R on high-throughput analyzers. | Periodic replacement | $$$ | Moderate |
| Peristaltic pump tubing Consumable, replace proactively. | Frequent wear item | $ | Easy |
| Xenon / LED light source | Periodic replacement | $$$ | Moderate |
Relative cost: $ lowest · $$$$ highest service-part cost for this equipment class. Not a price.
PM Checklist
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.
- ·Daily QC controls run and reviewed
- ·Calibration verification per assay
- ·Routine cleaning and decontamination
- ·Scheduled reagent-path and pump-tubing maintenance
Troubleshooting Approach
A structured starting point derived from the failure modes above. Follow the manufacturer's service documentation for the actual procedure.
Symptom: Sample probe / pipette clog
- Confirm the presentation - typically aspiration error, short sample, carryover - and note the exact alarm or message and the conditions when it occurs.
- Check the most likely cause first: clot/crystal obstruction.
- Isolate the affected subsystem using the manufacturer's functional check or self-test, where one is provided.
- If the fault is confirmed and not a field adjustment, service or replace the sample aspiration probe per the manufacturer's service documentation.
- Return the device to service only after the manufacturer's functional and applicable electrical-safety checks pass.
- Record the findings, any parts used, and the verification results in the maintenance history.
Symptom: Reagent / wash flow fault
- Confirm the presentation - typically clogs, high blank, QC fail - and note the exact alarm or message and the conditions when it occurs.
- Check the most likely cause first: pump tube wear, air in line.
- Isolate the affected subsystem using the manufacturer's functional check or self-test, where one is provided.
- If the fault is confirmed and not a field adjustment, service or replace the peristaltic pump tubing per the manufacturer's service documentation.
- Return the device to service only after the manufacturer's functional and applicable electrical-safety checks pass.
- Record the findings, any parts used, and the verification results in the maintenance history.
Typical Location
Where this class of equipment is typically deployed - general reference, not this unit's own placement record.
- Central / core laboratory
- Point-of-care testing stations
- Blood bank
- Microbiology lab
Documents & Manuals
Safety & Recalls
Synced live from the FDA openFDA API.
- RECALL
When excessive amounts of urine spills on the rack transport track and reaches the electrical components of the CV-11 conveyor, there is a potential for smoke and/or sparks which may present a combustion hazard.
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