Beckman Coulter Allegra 6 Series
Beckman Coulter · Model Allegra 6 Series
Ideal for Cell Culture, Plasma and Other General-Purpose Separations. Exclusive ARIES Smart Balance Rotor recognizes and corrects rotor imbalance up to 50 grams per bucket set. Process up to 56 x 15 mL conical tubes or 12 standard microplates. Spins tubes, bottles, microplates, specialty bottles and blood bags. Interchangeable rotors available. Performing from 2,010 to 5,710 x g. Offered in refrigerated or non-refrigerated benchtop and refrigerated knee-well models.
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
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.
Will not start / error at start
HighSymptoms: Error code, run will not begin, or aborts.
Root cause: Set speed exceeds the rotor maximum, an imbalanced load, the lid / door not locked, an unapproved rotor, or a drive / control fault.
Will not reach speed / excessive noise or vibration
MediumSymptoms: Slow spin-up, rumble, or vibration.
Root cause: Load imbalance, worn drive / motor bearings, a worn drive coupling, or (older units) worn motor brushes.
Refrigeration not cooling
MediumSymptoms: Chamber will not reach set temperature.
Root cause: Compressor, condenser, or a sealed-system fault.
Lid / door will not open / lock
MediumSymptoms: Lid-lock error, will not open after a run, or will not lock to start.
Root cause: Lid-lock solenoid / switch fault, or a run still in progress.
Speed / temperature inaccurate
MediumSymptoms: RCF / RPM or chamber temperature does not match the setting.
Root cause: Tacho / speed-sensor or temperature-sensor drift.
Serviceable Parts & Consumables
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.
Drive / motor bearings & coupling
Class Major service partRel. cost $$$R&R Difficult
Lid-lock solenoid / switch
Class Major service partRel. cost $$R&R Moderate
Speed / temperature sensor
Class Major service partRel. cost $$R&R Moderate
Refrigeration components
Class Major service partRel. cost $$$$R&R Expert-level
Rotor / rotor O-rings
Log rotor use; retire per the manufacturer's rotor-life programme.
Class Major service partRel. cost $$$R&R Easy
| Part | Service class | Relative cost | R&R difficulty |
|---|---|---|---|
| Drive / motor bearings & coupling | Major service part | $$$ | Difficult |
| Lid-lock solenoid / switch | Major service part | $$ | Moderate |
| Speed / temperature sensor | Major service part | $$ | Moderate |
| Refrigeration components | Major service part | $$$$ | Expert-level |
| Rotor / rotor O-rings Log rotor use; retire per the manufacturer's rotor-life programme. | Major service part | $$$ | Easy |
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 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.
Symptom: Will not start / error at start
- Confirm the set speed does not exceed the fitted rotor's maximum and the rotor is approved and correctly seated.
- Rebalance the load - opposing positions evenly loaded.
- Confirm the lid / door latches and locks.
- Look the fault code up in the manual and follow the remedy.
- Functional-check after any repair.
Symptom: Will not reach speed / noisy
- Rebalance the load.
- Spin the rotor by hand and feel for bearing roughness.
- Inspect the drive coupling and, on older units, the motor brushes.
- Replace the worn component.
- Verify speed with a tachometer and confirm smooth running.
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
Related calculators
From BioLab, for work done with this kind of equipment.
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