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Practice quizzes / IMSA Bench Tech II Practice Questions - IMSA Traffic Signal Bench Technician Level II Certification Exam / Question 102258
Practice question

Which MMU/CMU fault category specifically watches for a load switch's signal output being on when the controller's driver input is off?

  1. Diagnostic / Field-Check fault
  2. Red Enable fault
  3. Watchdog fault
  4. AC Brown-out

Answer: A — Diagnostic / Field-Check fault

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