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Beam Error

Beam Error — Vend detect beam is faulty or misaligned

Candy · MARS Series Vending Machines

What does Beam Error mean?

This message appears during the vend detect beam test. It indicates that the beam is either broken unexpectedly or not properly aligned, preventing accurate product detection.

Common Causes

  • Beam emitter or receiver is dirty
  • Beam emitter or receiver is misaligned
  • Obstruction in the beam path
  • Faulty beam component

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Clean the vend detect beam emitter and receiver.

  2. 2

    Carefully check and readjust the alignment of the beam.

  3. 3

    Ensure there are no objects obstructing the beam path.

  4. 4

    Test again. If the error persists, a component may be faulty.

Browse all codes in this manual (36)
Verified technical data. Last updated: April 2026

Related Faults

3 beeps then stop3 beeps then stop — Motor fault detectedA1 High CurrentA1 High Current — Motor detected high current usageA1 Low CurrentA1 Low Current — Motor failed due to low current or motor not found
Source: Candy MARS Series Vending Machines
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