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Which fault does hyper flashing usually indicate?

  • A.A failed bulb reducing the load on the flasher
  • B.A failed flasher unit, which has begun to operate at a higher frequency than the one for which it is designed
  • C.A poor earth
  • D.A supply voltage that is too high, which causes the thermal element within the flasher unit to operate more rapidly

Answer: A

A thermal or electronic flasher senses the reduced current and doubles its rate as a warning. A poor earth genuinely produces erratic flashing, which makes the third option a real alternative cause worth checking. The order in which the effects act is what decides the outcome, so it is worth establishing first. Reading the definition literally, rather than recalling a summary, avoids the usual confusion. Naming what changes and what stays the same is the reliable route through questions of this shape.

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