Vendo 721 column mis-vends

This guide covers Vendo 721 column mis-vends. Fix product alignment and vend timing issues.

• Verify column alignment and shim placement.
• Inspect motor home position and timing.
• Check selection switches for consistent activation.
• Test with known-good product sizes.

• Perform a controlled test after each adjustment.
• Document the changes and results for future reference.
• If the issue persists, swap with a known-good component.

• Clean components during each service visit.
• Log repeat faults to identify wear patterns.
• Keep spare parts for legacy models on the truck.

• You have repeated failures after controlled testing.
• Safety or electrical issues are suspected.
• You need model-specific parts or OEM guidance.

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