Qiagen EZ1 Advanced XL
Qiagen · Model EZ1 Advanced XL
High-quality genomic DNA and RNA from a range of sample materials Viral RNA/DNA and bacterial DNA from biomedical samples Throughput of up to 14 samples per run Effortless data management with full traceability UV lamp to help minimize contamination risk.
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 power on or unexpected shutdown
HighSymptoms: The laboratory & diagnostics is dead, reboots, or shuts down mid-use.
Root cause: Mains lead / fuse, an aged battery, or a power-supply board fault.
Battery will not hold charge
MediumSymptoms: Short run time on battery; low-battery alarm soon after a full charge.
Root cause: Aged rechargeable battery pack or a charger fault.
Display / control-panel fault
MediumSymptoms: Blank, dim or distorted display; unresponsive keys or touchscreen.
Root cause: Display, backlight, or control-board fault.
Fails self-test or calibration
MediumSymptoms: Power-on self-test or the scheduled performance check fails or is out of tolerance.
Root cause: Sensor drift or an internal board fault; recalibration or repair needed.
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.
Rechargeable battery pack
Class Periodic replacementRel. cost $$R&R Fairly easy
Power supply / mains board
Class Major service partRel. cost $$$R&R Difficult
Display / control-panel assembly
Class Major service partRel. cost $$$R&R Moderate
Cooling fan
Class Major service partRel. cost $R&R Moderate
| Part | Service class | Relative cost | R&R difficulty |
|---|---|---|---|
| Rechargeable battery pack | Periodic replacement | $$ | Fairly easy |
| Power supply / mains board | Major service part | $$$ | Difficult |
| Display / control-panel assembly | Major service part | $$$ | Moderate |
| Cooling fan | Major service part | $ | 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
Error Codes
Extracted directly from this unit's own service manual.
10Home sensor not activated during an operation other than a protocol.
11End-limit sensor not activated during an operation other than a protocol.
12Home sensor of the pipettor head (Z-axis) not activated during a protocol run.
13Home sensor of the plunger unit (P-axis) not activated during a protocol run.
14Home sensor of the magnet unit (M-axis) not activated during a protocol run.
16End-limit sensor of the pipettor head (Z-axis) not activated during a protocol run.
19End-limit sensor of the worktable (Y-axis) not activated during a protocol run.
20Motor for pipettor head movement (Z-axis) does not respond.
21Motor for plunger/piercing unit movement (P-axis) does not respond.
22Motor for magnet-unit movement (M-axis) does not respond.
23Motor for worktable movement (Y-axis) does not respond during a protocol run.
24Door open when starting an operation.
25Bottom sensor of pipettor head (Z-axis) activated during an operation.
26Communication error between heating block and temperature controller, or card is not an EZ1 Advanced XL Card.
27Communication error between motors and driver board.
30Protocol import error.
31Door lock error during operation.
100Protocol checksum error.
101VP table checksum error.
110System error.
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
Safety & Recalls
Synced live from the FDA openFDA API.
- RECALL
An issue with the power branching printed circuit board (PCB) on the instrument that has the potential to trigger a heater malfunction was discovered. If this failure were to occur, nucleic acid extractions could be compromised and extractions need to be repeated. This could cause a delay in obtaining results from downstream applications.
- RECALL
Underfilled reagent well that could lead to incorrect results
Related calculators
From BioLab, for work done with this kind of equipment.
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