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Rocky Mountain Vending

Selection Does Not Vend – Mechanical and Electrical Isolation

VendnetUSA 3549

OtherLow confidenceExact parts not verified
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Selection Does Not Vend – Mechanical and Electrical Isolation

Guides diagnosis of a single selection that fails to dispense product. Starts with visual jam check and progresses to motor and signal verification.

High VoltageOperator5-10 min
Vend path4 stepsoperator-intermediate

Qualified technician handoff: stop before live electrical testing, sealed-system refrigeration work, compressor service, or protected-compartment access unless a qualified technician is handling the work.

  • Motor excessively hot or emitting burning smell: Unplug immediately. Allow motor to cool. Do not attempt to run again until cause is identified.

Checklist

Guided Diagnostic Steps

Work from low-risk checks toward technician-level inspection only when evidence supports it.

Printable checklist

You can read or print the route now. The first checkbox click opens the service contact gate.

lead gated
  1. 1

    Clear Product Jam

    operator-intermediateunskilled

    With the machine unplugged and door open, visually inspect the failing selection. Remove any product that is stuck, misaligned, or preventing the spiral from turning freely.

    Flashlight or Work Light
    Stop conditions
    • Product spill has created contamination – clean thoroughly before proceeding

    Expected: Tray area clear, spiral turns freely by hand

    Evidence to note: photo

  2. 2

    Test Vend After Clearing Jam

    operator-intermediatehigh

    Close the door, plug in the machine, and attempt a vend on the previously jammed selection. Observe whether the motor turns and the product dispenses.

    Expected: Product dispenses normally

    Evidence to note: note

  3. 3

    Investigate Persistent Jam

    operator-intermediatehigh

    If the product continues to jam after clearing, inspect the tray alignment, spiral condition, and any mechanical obstructions. Check that the tray is properly seated on its rails.

    Flashlight or Work Light

    Expected: Mechanical cause of persistent jam identified

    Evidence to note: note

  4. 4

    Observe Motor Behavior During Vend Attempt

    operator-intermediatehigh

    With the door open in service mode, initiate a vend on the affected selection. Observe whether the motor turns, hums but does not turn, or shows no activity at all.

    Flashlight or Work Light
    Stop conditions
    • Motor feels excessively hot – allow to cool

    Expected: Motor behavior categorized: turns, hums, or silent

    Evidence to note: note

Tools for this route

Digital MultimeterFlashlight or Work Light

Parts status

Exact public parts list not verified yet. Use this route to identify the system before ordering.

Candidate areas for part verification

Vend path componentsPower CordPower Supply FusePower Supply AssemblyMain Control BoardDisplay Assembly

Other Possible Issues

Switch routes if this symptom is not the closest match.

All issues
PowerMachine Completely Dead – Power Input DiagnosticsCoolingCooling or refrigeration problemDoor / lockDoor, latch, or lock problemPaymentsPayment or money acceptance problemWater / fittingsWater Flow or Fitting Service