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4 flashes

Four flashes (LED) — All bill accept switches are off

Candy · Vending Machines

What does 4 flashes mean?

The red LED on the logic board flashes four times, meaning all the switches related to bill acceptance are in the 'off' position.

Common Causes

  • Bill acceptor switches incorrectly set
  • Configuration issue with bill acceptance settings

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Access the option switch module.

  2. 2

    Ensure the relevant bill acceptance switches are set to the 'ON' position.

  3. 3

    Consult the manual for specific switch configurations.

  4. 4

    Reapply power and test bill acceptance.

Browse all codes in this manual (12)
Verified technical data. Last updated: April 2026

Related Faults

1 flashOne flash (LED) — Bill box is full2 flashesTwo flashes (LED) — Bill box lid not latched3 beepsThree beeps — Unsuccessful test vend
Source: Candy Vending Machines
Open Manual (Page 17)Search more codes in this manual