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Asset Type
Microbiology Identification System
Manufacturer
Model
What This Guide Helps With
Use this guide when required cards, reagents, consumables, or related inventory information is missing, incorrect, or not recognized by the system.
Step-by-Step Troubleshooting
1. Protect Test Validity
Do not continue patient testing when required consumables or reagents cannot be positively identified or their status cannot be verified.
Laboratory staff should use an alternate validated workflow until recognition and inventory accuracy are restored.
Expected outcome: Unverified material is not used for patient testing.
2. Confirm the Exact Inventory Problem
Determine whether the system:
- Does not recognize a specific item
- Shows the wrong quantity
- Shows material as unavailable when physically present
- Displays incorrect lot or identifying information
- Fails to update inventory after loading or removal
Record the exact screen message and affected material.
Expected outcome: The issue is clearly defined as recognition, identification, quantity, or synchronization related.
3. Inspect the Consumable or Reagent
Have laboratory staff verify the correct material is being used for the intended workflow.
Inspect the external item for:
- Damaged packaging
- Contamination
- Damaged identification label or barcode
- Condensation or moisture
- Improper storage evidence
- Physical deformation
- Incorrect loading orientation
Do not use compromised material for testing.
Expected outcome: The material is externally intact, appropriate, and identifiable.
4. Verify Identification Features
Inspect any accessible barcode, label, or identification area for dirt, glare-producing damage, wrinkles, or missing information.
Ensure labels are not covered by secondary stickers or handwriting that could interfere with scanning.
Expected outcome: Identification information is clear and unobstructed.
5. Verify Loading and Seating
Confirm the reagent, card, consumable, or related item is loaded in the intended location and fully seated without force.
Inspect the loading location for debris, leftover packaging material, or other physical obstruction.
Expected outcome: The item is properly positioned and available for normal recognition.
6. Compare With a Known-Good Item
When allowed by laboratory procedure, test a known-good compatible item.
Determine whether:
- The known-good item is recognized normally
- The original item remains unrecognized
- Neither item is recognized
Expected outcome: The comparison separates an item-specific problem from an analyzer recognition problem.
If the known-good item is recognized and the original material is confirmed defective or unreadable, the issue is resolved after replacement and verification.
7. Verify Inventory Workflow and System State
Confirm the analyzer is in the correct operational state for loading, removing, or updating inventory.
Have trained laboratory personnel verify that required inventory-entry or material-confirmation steps were completed.
Clinical Engineering should not alter protected inventory logic or laboratory configuration without authorization.
Expected outcome: The system and workflow are synchronized with the physical material present.
8. Verify Scanner or Recognition Area Externally
If recognition uses an externally accessible scanning area, inspect it for contamination or obstruction and clean only according to approved methods.
Do not disassemble scanning assemblies or adjust internal sensors.
Expected outcome: The recognition area is clean and unobstructed.
9. Perform Final Functional Verification
After correction, verify that the system correctly recognizes the affected material and that displayed inventory agrees with the physical material loaded.
Have laboratory personnel confirm that the material is acceptable for use before patient testing resumes.
Expected outcome: Recognition and inventory status are accurate and stable.
If the Problem Persists
If material condition, labels, loading, known-good substitutions, workflow state, and accessible recognition areas are correct, common external causes have been ruled out.
The remaining problem may involve an internal reader, sensor, database synchronization issue, software condition, inventory configuration problem, or other service-level fault.
The device should be:
- Removed from service if material identification cannot be assured
- Labeled Out of Service
- Sent for repair or bench evaluation
- Evaluated using appropriate manufacturer documentation and approved test equipment
- Repaired or configured only by qualified personnel
Do not bypass material identification or manually force inventory values simply to continue testing. Knowing when to stop external troubleshooting is proper troubleshooting.
Verify correct inventory recognition and laboratory acceptance before return to service.
Clinical Use Tip
If reagent or consumable identity cannot be verified, treat the material as unsuitable for patient testing until laboratory staff can confirm it independently.
Work Order Documentation (CCR Method)
CCR = Complaint, Cause, Resolution
Complaint
What was reported by the clinical staff.
Example:
"Laboratory staff reported that a consumable loaded into the bioMerieux VITEK 2 Compact was not being recognized."
Cause
What was observed during troubleshooting.
Example:
"Clinical Engineering found the item identification label partially covered by an additional adhesive label."
Resolution
What action was taken.
Example:
"Laboratory staff replaced the affected item with an unobstructed compatible item, and Clinical Engineering verified normal recognition and correct inventory display."
Helpful Details to Include (If Known)
- Material or consumable affected
- Displayed inventory condition
- Lot or identifying information
- Barcode or label condition
- Loading location
- Physical condition of material
- Known-good substitution result
- Recognition area condition
- Any recent inventory changes
- Result after reload or replacement
- Final inventory status
Final Thought
Verify the physical material before blaming the analyzer, then check identification, loading, workflow, and known-good substitutions. Escalate when recognition cannot be trusted and document the final verified state clearly.
That is successful troubleshooting.