Electrical & Electronic Troubleshooting for Sterilizers

Syllabus

# STE 115 - Electrical & Electronic Troubleshooting for Sterilizers

## Course Description
This course provides biomedical equipment service technicians with the foundational and advanced electrical and electronic troubleshooting skills essential for maintaining and repairing steam sterilizers. Students will master control wiring diagrams, understand the operation and testing of relays and contactors, and perform precise sensor calibration procedures. Emphasis is placed on interpreting alarm codes, systematically diagnosing electrical faults using multimeters and oscilloscopes, and implementing safe repair practices. The curriculum progresses from fundamental electrical principles to complex system-level diagnostics, preparing technicians to efficiently restore sterilizer functionality and ensure patient safety through accurate and reliable equipment operation.

## Learning Outcomes
Upon successful completion of this course, students will be able to:
*   Interpret electrical schematics and control wiring diagrams specific to steam sterilizer systems.
*   Diagnose and troubleshoot faults in control circuits involving relays, contactors, and motor control components.
*   Perform accurate calibration and verification of temperature, pressure, and level sensors.
*   Utilize multimeters, clamp meters, and oscilloscopes for systematic electrical fault isolation.
*   Analyze and respond to common sterilizer alarm codes to identify root causes of malfunctions.
*   Apply safety protocols and best practices during all electrical troubleshooting and repair procedures.

## Topics by Week
*   **Week 1:** Electrical Safety and Test Equipment Fundamentals
*   **Week 2:** DC and AC Circuit Principles for Control Systems
*   **Week 3:** Control Wiring Diagrams and Schematic Interpretation
*   **Week 4:** Electromechanical Relays and Contactors: Operation and Testing
*   **Week 5:** Motor Control Circuits and Three-Phase Power
*   **Week 6:** Solid-State Relays and Switching Devices
*   **Week 7:** Analog and Digital Sensors: Principles and Applications
*   **Week 8:** Sensor Calibration Procedures and Verification
*   **Week 9:** Power Supplies and Control Boards: Input/Output Diagnostics
*   **Week 10:** Systematic Troubleshooting Methodology
*   **Week 11:** Common Sterilizer Alarm Codes and Fault Trees
*   **Week 12:** Advanced Troubleshooting Techniques: Intermittent Faults
*   **Week 13:** Midterm review and Practical Application Discussion
*   **Week 14:** Final exam review and Course Synthesis

## Grading
*   Knowledge Checks: 15%
*   Assignments and Labs: 30%
*   Quizzes: 25%
*   Final Exam: 30%

## Policies
*   **Attendance:** Regular attendance and participation are expected for all lectures and labs. Missed lab sessions must be made up within the same week.
*   **Late Submissions:** Assignments submitted after the deadline will incur a penalty of 10% per day, up to a maximum of 50%. Extensions may be granted for documented extenuating circumstances.
*   **Academic Integrity:** All work submitted must be original. Plagiarism or any form of academic dishonesty will result in a failing grade for the assignment and may lead to further disciplinary action.
*   **Safety:** Strict adherence to all electrical safety protocols and personal protective equipment (PPE) requirements is mandatory during lab sessions. Failure to comply will result in immediate removal from the lab and a zero for the session.