Vendo 480 door switch faults

This guide covers Vendo 480 door switch faults. Fix door switch and service mode errors.

• Inspect door switch alignment and mounting.
• Check switch continuity with a meter.
• Verify harness wiring and connector seating.
• Replace switch if intermittent.

• 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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