BioTek Elx50
BioTek · Model Elx50
Syringe drive fluid delivery system for precise control over all fluid flow rates Wash single strips or full plates 96- and 384-well microplates Unique priming trough built into removable microplate carrier for effortless priming and easy maintenance Automatic buffer switching Create, edit, delete and copy up to 75 programs from the keypad Link up to 10 programs to run the most complex routines Multi-user friendly; total programming control for complex research applications, yet easy to use for routine clinical work Programmable shaking duration and intensity Built-in maintenance programs Bottom washing and crosswise aspiration protocols Small footprint with integrated dispense and waste pumps Aerosol cover for safety.
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.
Absorbance / QC out of tolerance
HighSymptoms: Readings biased or noisy, calibration / self-test fails, poor plate-to-plate reproducibility.
Root cause: Lamp / LED ageing, dirty optics or filters, or a filter-wheel fault.
Plate-transport / carriage fault
MediumSymptoms: Plate not drawn in or positioned, carriage-error message, wells read at the wrong position.
Root cause: Worn transport belt / motor or a position-sensor fault.
Wash-manifold fault (washers)
MediumSymptoms: Wells not aspirated / dispensed evenly, high residual volume, needles blocked.
Root cause: Blocked or bent manifold needles, or a pump / vacuum fault.
Filter / optics fault
MediumSymptoms: A specific wavelength reads wrong, filter not found.
Root cause: Damaged interference filter or a filter-wheel position fault.
PC / printer / LIS fault
LowSymptoms: Results will not calculate, print or transfer.
Root cause: Onboard software, printer, or the interface.
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.
Lamp / LED source
Class Periodic replacementRel. cost $$R&R Fairly easy
Interference filters / filter wheel
Class Major service partRel. cost $$R&R Moderate
Plate-transport belt / motor
Class Periodic replacementRel. cost $$R&R Moderate
Wash-manifold needles / pump tubing (washers)
Class Frequent wear itemRel. cost $R&R Fairly easy
Optics / detector board
Class Major service partRel. cost $$$R&R Difficult
| Part | Service class | Relative cost | R&R difficulty |
|---|---|---|---|
| Lamp / LED source | Periodic replacement | $$ | Fairly easy |
| Interference filters / filter wheel | Major service part | $$ | Moderate |
| Plate-transport belt / motor | Periodic replacement | $$ | Moderate |
| Wash-manifold needles / pump tubing (washers) | Frequent wear item | $ | Fairly easy |
| Optics / detector board | Major service part | $$$ | Difficult |
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
Error Codes
Extracted directly from this unit's own service manual.
A301Carrier motor not available.
A302Syringe motor not available.
A304Software timer not available.
A305Display not available.
A306Quick flash memory not available. CHECKSUM_ERR A400 Failed code checksum test on power-up; memory corruption. POWER_ERR A500 Power dropped below safe level. QFLASH_TIMEOUT_ERR A600 Quick flash memory configuration timed out.
ABORT_ERRwash function aborted
NO_SENSOR_ERR(*motor) couldn't find optical-sensor
AUTOCAL_JIG_ERR(*motor) couldn't find edge of hole in jig
MOTOR_VERIFY_ERR(*motor) failed positional verify
UNDEF_PROG_TYPE_ERRundefined program type specified
PROGRAM_NUM_ERRinvalid (assay number)
PROGRAM_SET_ERRinvalid write attempt
PROGRAM_DEL_ERRinvalid delete attempt
SYR_VOLUME_TO_LARGEsyringe volume to large
PROGRAM_CHECKSUM_ERRchecksum failure (assay number)
MANIFOLD_AUTOCAL_ERRinvalid manifold for calibration
INVALID_BUFFER_ERRinvalid buffer selected
CAL_CHECKSUM_ERRfailed calibration checksum test
DISPENSE_RATE_ERRdispense rate is invalid for manifold type
DISPENSE_VOLUME_ERRdispense volume invalid for manifold type
CNFG_DATA_ERRnecessary configuration data missing
CNFG_CHECKSUM_ERRfailed configuration checksum test
CAL_DATA_ERRnecessary calibration data missing
MOTOR_NOT_HOMED_ERR(*motor) not homed successfully
AUTOCAL_ABORT_ERRautocal of washer was aborted
MALLOC_ERRmemory allocation failure
ASPIRATE_POS_ERRCarrier offset position is out of range for present manifold
DISPENSE_POS_ERRCarrier offset position is out of range for present manifold
SYRINGE_FMEA_ERR1=sensor not found at start of syringe aspirate stroke. 2=sensor not open at start of dispense stroke. 3=syringe aspirate stroke failure 4=sensor verify after last syringe stroke in program failed 5= sensor clear from home position too many steps
MANIFOLD_POS_ERRcould not calculate manifold position for offset provided
AUTOCAL_CHECKSUM_ERRautocal checksum error
TCB_NOT_AVAIL_ERRtask control block not available
READ_NOT_AVAIL_ERRreader function already in use
NOT_AVAIL_ERR(device) not available
CHECKSUM_ERRfailed code checksum test on power up
POWER_ERRpower dropped below safe level
QFLASH_TIMEOUT_ERRquick flash configuration timed out
QFLASH_ERRquick flash read didn't match write
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: QC / calibration failure across a channel or the whole system
- Run fresh controls at all levels and note which analytes fail.
- Confirm reagents are in date, correctly loaded, mixed and not bubbled.
- Run the photometer / lamp-energy check and replace the lamp if energy is low.
- Clean the sample and reagent probes, the mixers and the wash / cuvette-wash stations.
- Recalibrate the affected assay / ISE module and re-run QC.
Symptom: Sample or reagent probe clog / crash / short aspiration
- Inspect the probe for a bend or blockage and clear it (wire / sonicate per the manual).
- Run the fluidics prime and the probe-wash cycle.
- Check for a clot or fibrin in the sample and the liquid-level sensing.
- Verify probe positioning / alignment.
- Replace the probe if aspiration is still short.
Symptom: ISE electrolyte results biased or noisy / ISE calibration fails
- Run the ISE calibration and check the slope / drift against spec.
- Replace an ISE electrode or the reference that is at end of life.
- Check the ISE pinch valves and tubing for wear or air.
- Confirm the ISE standard packs are in date.
- Re-run ISE QC before releasing electrolyte results.
Symptom: High cuvette blanks / position-dependent results
- Run the cuvette blank / photometric check.
- Clean or replace worn / scratched cuvettes or the reaction segment.
- Check the cuvette-wash station nozzles and drying.
- Confirm the water / DI supply quality.
- Recalibrate and re-run QC.
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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