Tuttnauer T-Edge 10

Preventive Maintenance Procedure

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Asset Type

Sterilizer

Manufacturer

Tuttnauer

Model

T-Edge 10

Manual Reference

Tuttnauer T-Edge 10 and T-Edge 11 Operation and Maintenance Manual, Cat. No. MAN205-0504001EN, Rev. H(8), December 2025. This procedure applies specifically to the T-Edge 10, including AMS10-120-W-T and AMS10-230-W-T. Verify the installed voltage, configuration, serial number, Class S or Class B setup, accessories, current service information, and facility sterilization policy before work.

Manufacturer Recommendation / AEM Status

These are manufacturer-prescribed intervals. Any different frequency or activity should be controlled under the facility's approved AEM program, risk assessment, service history, infection-prevention program, applicable standards, and current Tuttnauer instructions.

What This PM Procedure Covers

Required Tools and Equipment

Safety: Allow the chamber to cool, verify zero pressure, and disconnect the power cord before cleaning or component replacement. Never bypass the door lock, pressure controls, thermal protection, safety valve, or other protective device.

Step-by-Step PM Procedure

1. Remove the Sterilizer From Clinical Use

Action: Coordinate with sterile-processing staff, complete or safely terminate any active cycle, identify all loads affected by an unresolved failure, attach an out-of-service notice, and allow the chamber and reservoirs to cool.

Expected outcome: The sterilizer and processed items are safely controlled before maintenance.

2. Verify Identity, Configuration, and History

Action: Record model, serial number, asset tag, 120 V or 230 V configuration, Class S or Class B setup, cycle count, software version, accessories, last service date, prior repairs, error history, and open recalls or field actions.

Expected outcome: The physical unit matches the CMMS record and the correct parts, tests, documents, and due maintenance are identified.

3. Inspect the Installation and Exterior

Action: Inspect the bench, clearances, ventilation, feet, enclosure, labels, power cord, plug, appliance inlet, drain tubing, automatic water-fill connection if installed, and surrounding area. Look for corrosion, water, mineral deposits, heat damage, loose parts, blocked ventilation, or unauthorized modifications.

Expected outcome: The unit is stable, correctly installed, intact, and free of visible electrical, heat, steam, and water hazards.

4. Inspect the Door, Lock, and Gasket

Action: With the chamber cold, momentarily power the unit only as needed to release the door, then unplug it. Clean the gasket with mild detergent, water, and a soft cloth or sponge. Inspect the gasket, door, hinge, latch/lock, sealing surfaces, and alignment. At the three-month check, arrange technician replacement for any torn or leaking gasket.

Expected outcome: The gasket is clean, intact, seated, and not loose; the door moves and locks normally without obstruction or evidence of leakage.

5. Service the Reservoirs and Water Path

Action: Drain the waste reservoir. If the sterilizer is used only occasionally, drain the mineral-free-water reservoir and refill it with fresh approved water. Inspect accessible reservoir walls, water-level electrode, caps, hoses, and drain tube for deposits, contamination, kinks, damage, or leakage.

Expected outcome: Reservoirs and accessible water paths are clean, correctly filled, and leak-free.

6. Clean the Chamber, Trays, Holder, and Drain Filter

Action: Remove the load, five trays, and tray holder. Clean and descale the cold chamber monthly using approved methods. Clean the trays and holder with a stainless-steel-safe cleaner. Remove and clean the drain filter as directed by the current manual, then reinstall it correctly. Do not use steel wool, a steel brush, bleach, or an unapproved abrasive or chloride cleaner.

Expected outcome: Chamber, trays, holder, and drain filter are clean and free of scale, debris, corrosion, damage, and obstruction.

7. Perform the Biweekly System Clean Process

Action: Close the automatic-water-fill inlet valve if connected. Confirm approved water is present. Wearing gloves, place one T-System Clean tablet in the clean-water reservoir. Remove all instruments, trays, and the tray holder; clean the trays and holder separately. Select System Clean, close the door, and run the uninterrupted approximately 25-minute program.

Expected outcome: The System Clean program completes without error and cleans the chamber and steam/water piping.

8. Complete System Clean Post-Cycle Steps

Action: Open the door and allow complete cooling. Empty both reservoirs. Wipe the clean reservoir walls, bottom, and water-level electrode; wipe the waste reservoir walls and bottom; wipe the cooled chamber. Confirm the screen prompt. Reinstall the tray holder and trays, refill with distilled water, and run an Unwrapped Instrument cycle with no instruments.

Expected outcome: Chemical residue and loosened deposits are removed, fresh water is installed, and the empty rinse cycle completes normally.

9. Replace the Air Filter When Due

Action: At six months or 1,000 cycles, whichever comes first, confirm the chamber is cool and at zero pressure and disconnect power. Install the correct in-date replacement filter using the current manual procedure. Avoid sharp blades near the filter, tubing, and enclosure.

Expected outcome: A correct, undamaged, in-date air filter is securely installed and the replacement is documented.

10. Verify Controls, Display, Records, and Communications

Action: Restore power. Verify startup, touchscreen and controls, date/time, water-level indications, alarms/messages, cycle selection, cycle counter, USB, network/RPCR, and optional printer or label equipment as installed. Do not alter validated cycle parameters without authorization.

Expected outcome: Controls, indicators, alarms, data storage, and configured communications operate correctly.

11. Run Applicable Leak and Process Tests

Action: Run the current manual's Vacuum Test and Bowie-Dick/Helix test when applicable to the installed configuration and facility schedule. Follow facility sterilization-quality requirements for chemical and biological monitoring. Investigate every failed test; do not clear the unit by repeating tests until one happens to pass.

Expected outcome: All required air-removal, leak, and process-challenge results meet the current manufacturer and facility acceptance criteria.

12. Run and Review a Functional Cycle

Action: Run the appropriate empty or approved test-load cycle. Verify door locking, fill, vacuum/air removal, heat-up, pressure and temperature progression, exposure timing, exhaust, drying, door release, absence of leakage, and a complete cycle record. Compare results with the selected validated program and current service procedure.

Expected outcome: The T-Edge 10 completes the selected program without alarm, leak, abnormal noise, overheating, incomplete phase, wetness, or out-of-tolerance result.

13. Complete Final Inspection and Return-to-Service Review

Action: Inspect for tools, loose parts, moisture, open valves, disconnected hoses, and missing covers. Confirm the automatic-fill valve is returned to its required position, surfaces are clean, reservoirs are correctly managed, accessories are reinstalled, and every required record/test is attached.

Expected outcome: The sterilizer is complete, clean, safe, and either formally returned to service or clearly quarantined.

Electrical Safety Testing

The operation and maintenance manual requires a grounded electrical connection but does not provide a PM ground-resistance or leakage-current limit. When electrical safety testing is required by facility policy, after electrical repair, or by the current service procedure, inspect the cord, plug, inlet, grounding, enclosure, and signs of fluid entry before using an electrical-safety analyzer.

Analyzer / serial / calibration due:
Result =

Protective-ground resistance:
Facility or applicable standard limit used =
Measured value =
Pass / Fail =

Touch/chassis leakage:
Facility or applicable standard limit used =
Measured value =
Pass / Fail =

Use the applicable current standard, exact device classification, manufacturer service instructions, and facility policy. Do not invent a limit from the operator manual.

Pass / Fail Criteria

Pass

Remove From Service

Copy/Paste CMMS Work Order Procedure

Do not return the T-Edge 10 to service with a failed process test, incomplete cycle, unsafe door or pressure condition, active leak, failed electrical-safety result, overdue required service, or any unresolved condition that could compromise personnel, the sterilizer, cycle records, or load sterility.

Sources

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