Vend Motor Not Delivering Product
Vendo V20
Vend Motor Not Delivering Product
Diagnosis for situations where the vend motor does not complete a vend cycle, starting with mechanical checks before electrical.
- Motor smoking or overheating: Unplug immediately. Do not re-energize. Replace motor after confirming harness integrity.
- Multiple motors failing simultaneously: Likely a common cause — controller or harness issue. Escalate.
Checklist
Guided Diagnostic Steps
Work from low-risk checks toward technician-level inspection only when evidence supports it.
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- 1
Inspect for Physical Jam
owner-basicbasicUnplug machine. Examine the column for misaligned product, fallen items, or debris that could block the vend mechanism. Remove any obstruction.
Flashlight or Work LightStop conditions- Broken glass in column
Expected: Column is clear and product is properly oriented.
Evidence to note: photo
- 2
Observe Motor During Test Vend
owner-basicbasicWith machine plugged in, initiate a test vend for the affected column. Observe whether the motor shaft and drive mechanism rotate. Note if rotation is full, partial, or absent.
Stop conditions- Motor smoking or excessively hot
Expected: Motor and drive rotate fully through the vend cycle.
Evidence to note: note
- 3
Check Motor Command Signal
operator-intermediateintermediateDetermine whether the controller is sending a vend command signal to the motor harness connector. This requires accessing the motor harness connector and checking for signal during a vend attempt. requiresFieldValidation for expected signal type and value.
Digital MultimeterExpected: Signal present at motor harness during vend command.
Evidence to note: note
Tools for this route
Parts status
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Candidate areas for part verification
Other Possible Issues
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