Thermo Scientific Shandon Cytospin 4
Thermo Scientific · Model Shandon Cytospin 4
Safe and Reliable. Auto-locking, plastic outer lid. Autoclavable Sealed Head. Disposable sample chambers with caps. Safety alarms that protect users and specimens. Wipe-clean control panel Features. Process 12 specimens at one time. Accepts all protocols from Shandon Cytospin 1, 2, and 3. Redesigned Lid-release Mechanism allows for one-handed opening and closing of the outer lid for easy access. Excellent safety design prevents accidental fluid spillage from damaging the mechanical or electronic components and allows for easy disinfecting. Pull-out Program Card allows for up to nine programs to be logged for fast and convenient retrieval (erasable ink pen included) Shandon Cytospin Sealed Head. One Sealed Head is included with the Cytospin, but many laboratories shorten preparation time by having a second Sealed Head ready for when the first finishes processing. Autoclavable, 12-chamber Head seals completely Simple and Precise Controls. Protected Program Memory stores up to 23 routines for instant recall and protects from power loss. Program Key Pad has “easy-touch” design that allows for easier keystrokes and more intuitive programming. Speed window displays the programmed spinning speeds from 200 – 2000 rpm. Three Acceleration Control buttons allow the operator excellent flexibility and exceptional protection for fragile samples. Time window displays the programmed and remaining run time from 1– 99 minutes. Control feature has a standby power saving mode. Displays are also turned on and off by the standby key Safety Alarms. Audible alarm that signals the operator if the Shandon Cytospin Cytocentrifuge is out of balance, outside the speed tolerance, or if the lid is not properly locked. As an extra measure of safety for the user, the unit will not spin if the lid is not locked. Specimen safety alarm feature has been added to remind users at one-minute intervals to remove specimens, protect them from “air-drying” and ensure consistent results.
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 shortly after start.
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 during a run.
Root cause: Load imbalance, worn drive / motor bearings, a worn drive coupling, or (older units) worn motor brushes.
Timer / speed inconsistency
MediumSymptoms: Run ends early / late, or RPM does not match the setting.
Root cause: Tacho / speed-sensor drift or a control-board fault.
Lid / door will not open or 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 winding down.
Rotor / bucket wear or corrosion
MediumSymptoms: Visible corrosion, cracks, or a bucket that will not swing; imbalance trips.
Root cause: Rotor / bucket ageing - a safety-critical wear item with a use-life limit.
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 sensor / control board
Class Major service partRel. cost $$R&R Moderate
Motor brushes (older units)
Class Periodic replacementRel. cost $R&R Moderate
Rotor / bucket set & O-rings
Log rotor runs; retire per the manufacturer's rotor-life programme.
Class Major service partRel. cost $$$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 sensor / control board | Major service part | $$ | Moderate |
| Motor brushes (older units) | Periodic replacement | $ | Moderate |
| Rotor / bucket set & O-rings Log rotor runs; retire per the manufacturer's rotor-life programme. | Major service part | $$$ | 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 or errors at start
- Confirm the set speed does not exceed the fitted rotor's maximum and the rotor is approved and seated.
- Rebalance the load - opposing positions evenly loaded and paired.
- Confirm the lid / door latches and the lock engages.
- Look the fault code up in the manual and follow the remedy.
- Functional-check speed and timer after any repair.
Symptom: Noisy / vibrates / will not reach speed
- Rebalance and re-run empty to confirm.
- Spin the rotor by hand and feel for bearing roughness.
- Inspect the drive coupling and (older units) the motor brushes.
- Replace the worn component.
- Verify speed with a tachometer and confirm smooth running.
Technical Specs
- Height
- 9.5 in with closed lid
- Length
- 24.5 in
- Weight
- 26.5 kg
- Width
- 16 in
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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