On this page
Asset Type
Manufacturer
Model
What This Guide Helps With
Troubleshoots reagent identification, container placement, inventory records, reagent status, connection issues, and discrepancies between physical reagents and displayed information.
Step-by-Step Troubleshooting
1. Protect Specimens and Processing Integrity
If a processing cycle is active or specimens are loaded, do not change reagent positions, containers, or processing configuration until laboratory staff determine that doing so is safe.
Incorrect reagent selection can compromise specimen processing.
Expected outcome: Specimens and the current processing workflow are protected before troubleshooting begins.
2. Confirm the Exact Reagent Discrepancy
Determine whether the processor is failing to recognize a reagent, showing the wrong reagent, displaying an incorrect volume or status, or reporting inventory that does not match what is physically installed.
Record the exact displayed information.
Expected outcome: The specific discrepancy between the physical reagent setup and system display is established.
3. Compare the Physical Reagent Setup With the Display
With laboratory staff, compare the installed reagent containers and positions with the expected processor configuration.
Do not assume a displayed inventory value is correct without checking the physical setup.
Expected outcome: Physical reagent placement agrees with the intended configuration, or a placement discrepancy is identified.
4. Inspect Reagent Containers and Connections
Inspect accessible reagent containers, caps, tubing interfaces, fittings, and associated external connections for improper seating, loose connections, damage, leaks, kinks, or obvious contamination.
Do not open internal fluid-control assemblies.
Expected outcome: Reagent containers and accessible connections are correctly installed and free of obvious defects.
5. Verify Reagent Information Entered Into the System
Have authorized laboratory personnel confirm that reagent identification, replacement status, and other user-managed inventory information have been entered correctly according to established laboratory procedures.
Clinical Engineering should not alter laboratory processing protocols or reagent assignments without authorization.
Expected outcome: System information accurately reflects the physical reagent configuration.
6. Check for Recent Reagent Changes
Determine whether the complaint began after a reagent bottle was replaced, moved, refilled, exchanged, or reassigned.
If so, inspect that change first for incorrect placement or incomplete setup.
Expected outcome: Any discrepancy introduced during a recent reagent change is corrected. If the displayed inventory then matches the physical setup, troubleshooting can stop after verification.
7. Compare With a Known-Good Position or Container When Appropriate
If laboratory procedures permit, compare the affected reagent setup with another correctly recognized position or known-good compatible container.
Do not interchange chemicals merely for troubleshooting unless laboratory staff confirm that it is appropriate.
Expected outcome: The comparison helps distinguish an accessory/container problem from a processor-side recognition or inventory problem.
8. Check for Communication or Display Synchronization Issues
If the physical setup is correct but displayed information remains inconsistent, verify that the user interface is responsive and that no broader startup, communication, or configuration problem is present.
A controlled restart may be performed only if laboratory staff confirm specimens and processing will not be jeopardized.
Expected outcome: The display and physical reagent configuration agree after correction or restart.
9. Perform Final Functional Verification
Confirm that all affected reagents are represented correctly, the processor reaches the appropriate ready condition, no leak or fluidics warning is present, and laboratory staff agree that the reagent configuration is correct.
Expected outcome: Reagent information is accurate and stable. Troubleshooting can stop.
If the Problem Persists
If reagent placement, container condition, external connections, recent changes, authorized inventory entries, and display synchronization have been checked and the discrepancy remains, common external causes have been ruled out.
The remaining cause may involve internal sensing, fluidics monitoring, database or software behavior, internal communications, or a service-level configuration problem.
The device should be:
- Removed from service if reagent identity or availability cannot be reliably confirmed.
- Labeled Out of Service.
- Sent for repair or qualified service evaluation.
- Evaluated using appropriate Sakura Finetek documentation and approved test equipment.
- Repaired or configured only by qualified personnel.
Do not process specimens when reagent availability or identity cannot be trusted. Complete applicable verification before return to service.
Knowing when to stop external troubleshooting is proper troubleshooting.
Clinical Use Tip
A processor should not be released for specimen processing until the physical reagent setup and displayed reagent information agree.
Work Order Documentation (CCR Method)
CCR = Complaint, Cause, Resolution
Complaint
What was reported by the clinical staff.
Example:
"Laboratory staff reported that the reagent inventory displayed on the Tissue-Tek VIP 6 AI did not match the installed reagent setup."
Cause
What was observed during troubleshooting.
Example:
"Clinical Engineering found that a recently changed reagent container had been installed in the wrong assigned position."
Resolution
What action was taken.
Example:
"Laboratory staff corrected the reagent placement, the displayed inventory was verified against the physical setup, and normal ready status was confirmed."
Helpful Details to Include (If Known)
- Exact reagent-related message
- Physical reagent positions
- Displayed reagent information
- Recent reagent changes
- Container and connection condition
- Evidence of leakage
- Inventory or assignment information observed
- Known-good comparison results
- Behavior after restart, if performed
- Final verified reagent status
Final Thought
Protect specimen integrity, compare physical reagent setup with system information, verify simple placement and connection causes first, and escalate when reagent identity or availability cannot be established reliably.
That is successful troubleshooting.