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Level 2Certificate course

Steriliser Service — Level 2: Fault-Finding

From a failed cycle or test to the failed assembly: steam, vacuum, door, control, sensors, low-temperature sterilisers

Part of the program: Steriliser Service Engineer — program (7 h) →

Level 1 taught you what a steriliser does, how to keep it safe and how to read its daily tests. Level 2 starts when the tests fail and the obvious checks are done. This course teaches the engineer to read the cycle record phase by phase, use the pressure-temperature curve and the alarm history to place the fault, and follow it through the steam generator and water, the vacuum system, the door and chamber, the control and sensors, low-temperature and benchtop units and washer-disinfectors to the assembly that has actually failed - and then return the machine to service with the tests, records and decisions that prove it fit.

Not started
01

The alarm said 'vacuum not reached'. The pump was fine; a hose clamp was not.

  • Vacuum pumps, generators and control boards are replaced because the alarm named them, while a leaking clamp, a scaled strainer, a weeping check valve or a sensor connection that opens when hot keeps failing the cycle.
  • Failed Bowie-Dick and leak tests are 'solved' by repeating the test, lengthening a phase or changing a parameter, so the machine passes the test and still leaves air or water in the load.
  • After a major repair the steriliser goes back to the CSSD without the tests, sensor checks and requalification it needs, and nobody can say later who decided it was fit for use or on what evidence.
02

After the course you can

01Read cycle records, printouts and alarm histories phase by phase, use the saturated steam relationship to tell air, superheat and sensor faults apart, and choose the test load or test cycle that separates two suspects.
02Fault-find steam generators and their water: heaters, level control, scale, water treatment, wet loads, superheat and condensate paths.
03Find the cause of slow or failed vacuum, failed leak and Bowie-Dick tests and non-condensable gases, across liquid-ring and venturi systems, valves, condensers and pipework.
04Diagnose door mechanisms, locks, interlocks, seals and pressure safety devices without ever bypassing them, and recognise chamber and jacket faults that need a pressure-vessel specialist.
05Separate sensor, controller and record faults, verify sensors against references, and know where an engineer's adjustment ends and requalification begins.
06Fault-find hydrogen peroxide, ethylene oxide and formaldehyde sterilisers at overview level, benchtop B, N and S units and washer-disinfectors, and return any of them to service after a major repair with a clear record of who decided fitness for use.
03

Curriculum

01The Level 2 method for sterilisers: records, alarm history, the curve phase by phase and test loads
Collect cycle records and alarm history, read a pressure-temperature curve phase by phase to place a steriliser fault, choose the test cycle or test load that separates two suspects, and know what you may change and who decides the machine is fit for use.
free
22 min
02Steam generation and water: heaters, level control, scale, water treatment, wet loads and superheat
Fault-find a steam generator as a control loop, from level sensing and filling through heaters and pressure control to water treatment, and trace wet loads, superheat and condensate faults to their cause.
22 min
03Vacuum and air removal: liquid-ring and venturi pumps, valves, air leaks, failed Bowie-Dick and leak tests, non-condensable gases
Split a slow or failed vacuum into pump, supply, leak and measurement causes, find air leaks by sections, and read failed leak and Bowie-Dick tests together to decide whether the fault is a leak, poor air removal, a measurement error or non-condensable gas.
22 min
04Doors, seals and chamber: mechanisms, locks and interlocks, gaskets, the jacket and pressure safety devices
Diagnose door mechanism, lock, interlock and seal faults to the switch, wire, cylinder or gasket without ever bypassing a safety function, and recognise chamber, jacket and safety-valve faults that must go to a pressure-vessel specialist.
22 min
05Control, sensors and calibration: temperature and pressure sensors, controllers, printers and records, and where adjustment ends
Decide whether a sensor, the controller or the record is wrong, find heat-dependent and moisture faults in temperature and pressure measurement, fault-find controller and record problems, and know which adjustments an engineer may make and which changes need requalification.
22 min
06Low-temperature sterilisers and small units: hydrogen peroxide, ethylene oxide, formaldehyde and benchtop B, N and S autoclaves
Fault-find hydrogen peroxide, ethylene oxide and formaldehyde sterilisers at overview level, separating load and packaging causes from machine faults, fault-find benchtop B, N and S autoclaves, and work safely around sterilant chemicals.
22 min
07Washer-disinfectors and CSSD equipment at Level 2: pumps, dosing, drying, thermal disinfection (A0) and water quality
Fault-find washer-disinfectors through their water, pump, dosing, heating, drying and door systems, understand the A0 concept of thermal disinfection at overview level, and know which tests prove a washer-disinfector after repair.
22 min
08Complex cases and return to service after major repair: requalification, tests, records and who decides fitness for use
Work through faults with several causes without losing the thread, decide which repairs are major, prepare a steriliser for the tests and requalification that a major repair requires, control part substitutions, and write the record on which the responsible person decides fitness for use.
22 min
—Exam
25 · 40 min · 75 %
04

The certificate

Pass the exam and get a certificate of course completion with your name, hours and score. Every certificate has a unique number and a public verification page, so an employer or a customer can check it in one click. It confirms completion of the course; it is not an educational document (diploma) and not a manufacturer authorisation.

Certificate of course completion
Alex Example
has completed the course
Steriliser Service — Level 2: Fault-Finding: From a failed cycle or test to the failed assembly: steam, vacuum, door, control, sensors, low-temperature sterilisers
4 hours · score 86 %No. SEA-US1-000000-K7QF3M · verify at /verify/
The 4 training hours may be self-reported as continuing education (Category IV) toward renewal of AAMI CBET/CRES/CLES certification.
05

Who it is for

Who it is for

  • Engineers who have completed Steriliser Service — Level 1 or have equivalent experience
  • Field engineers in independent service companies
  • Hospital biomedical / clinical engineering teams that repair CSSD sterilisers, benchtop autoclaves and washer-disinfectors in-house

Who teaches

Written by a service engineer working with medical equipment since 2014, including 6.5 years at GE Healthcare and service supervision at Mindray, together with the engineers of Service Engineer.

06

FAQ

Is this manufacturer training?

No. It is independent, vendor-neutral training. It does not replace the manufacturer's service procedures, does not grant authorisation or access to service software, passwords or licences, and every repair must still be followed by the tests, checks and requalification the manufacturer and national rules require.

Do I need Level 1 first?

Steriliser Service — Level 1 is the prerequisite: steriliser types, pressure, steam and chemical safety, the steam and water basics, cycle phases, sensors, the daily and periodic tests and the basic fault-finding order are assumed here and not repeated. The Pneumatics course is recommended for lessons 3 and 4, and Electrical Safety for any work on heaters and supplies.

Does it qualify me to validate sterilisers?

No. It explains what validation and requalification require after a repair and how to prepare the machine and the evidence for them. Thermometric validation and performance qualification are done by qualified, often accredited, people with calibrated instruments under national rules.

Does it teach pressure-vessel repair?

No. Repairs to the chamber, jacket, generator vessel or safety valve, including welding and hydraulic testing, belong to organisations authorised under the national pressure-equipment rules and the manufacturer. The course teaches you to recognise these faults and hand them over correctly.

What does the certificate say?

Your name, the course, the hours, the date and your exam score, with a unique number and a public verification page.

Can my company buy seats for a team?

Yes: five seats and a progress overview for the manager.

Languages?

English and Russian.