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Coin Mech unplugged, too loose

Coin mechanism plug unplugged or too loose — Vendor rejects coins

Candy · MARS Series Vending Machines

What does Coin Mech unplugged, too loose mean?

The vending machine is rejecting all coins because the coin mechanism is not properly connected. This can happen if the plug is loose or has come out entirely.

Common Causes

  • Coin mechanism plug is loose
  • Coin mechanism plug has been disconnected

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the coin mechanism plug is securely inserted into its socket.

  2. 2

    Check the wiring for any damage.

  3. 3

    Test coin acceptance after ensuring the connection is firm.

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
Open Manual (Page 120)Search more codes in this manual