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Beam Error (IrDA Test)

Beam Error — IrDA test transmission failed

Candy · MARS Series Vending Machines

What does Beam Error (IrDA Test) mean?

During the Executive & IrDA Test Mode, this message indicates that the transmission of the test pattern failed in one or both directions. The beeper will also sound.

Common Causes

  • IrDA port is obstructed or dirty
  • Loopback device is not connected or faulty
  • Faulty Executive or IrDA port
  • Software or configuration issue

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the IrDA port and the loopback device are clean and unobstructed.

  2. 2

    Verify the loopback device is properly connected.

  3. 3

    Check the connections to both the Executive and IrDA ports.

  4. 4

    Restart the test. If it continues to fail, consult service documentation.

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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