Title: Assessment: Door Lock Circuit
Course: Troubleshooting Labs > Section: Final-Course Troubleshooting Assessments

INTRODUCTION

A malfunction in an industrial door lock circuit can halt operations and cost thousands in downtime within just hours. High-stakes scenarios like these are why mastery of system diagnostics is essential in the field. Drawing on your knowledge of electrical theory and schematic analysis, you will now tackle a challenge that mirrors the real demands of a technician’s role. This assignment will strengthen your ability to troubleshoot and document faults in a door lock circuit with precision and confidence.

RESCHEDULE AND RETAKE WARNING

Failure to do any of the items below will result in the instructor stopping the assessment. If the assessment is stopped, you will need to reschedule and retake the assessment. If a retake is required, the points possible will be reduced.

- Schedule the lab with your instructor in advance.
- Be on time.
- Follow the Automation Department's dress code policy, which mirrors industry-standard expectations (see the syllabus for details).
- Wear appropriate PPE.
- Follow all safety procedures as needed, especially Lockout/Tagout.
- Correctly solve the fault in the system within the given time limit.

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TIME LIMIT AND RESOURCES

TIME LIMIT

In industry, solving faults in this type of circuit is expected to take 30 minutes. For this assessment, you will have 60 minutes (1 hour) to solve the fault.

REVIEW AND PREPARE

Door Lock Resource Page

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MATERIALS

- Assessment Checklist (print now or get one from your instructor)
- Multimeter
- Trainer
- PPE
- Lockout/Tagout materials

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INSTRUCTIONS

In this lab you will troubleshoot the door lock circuit.

1. Contact your instructor to show you how it works.
2. After you understand how the circuit works, an instructor will introduce problems into the circuit.
  1. Use the schematic below to troubleshoot the circuit.
3. Solve all problems as introduced by your instructor.
  1. Use the Troubleshooting Methodology to solve the fault and verbally explain to your instructor which step you are on and what you are doing to complete the step.
  2. Make sure to follow all Lockout/Tagout procedures.
4. Complete documentation for the fault.

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SUBMISSION

Please submit the following:

- A picture of the checklist your instructor filled out while you completed the assessment
- A picture of the documentation you completed for the assessment