Vending, Kiosk & Self-Service Equipment worked example

Warranty Reserve at 21% annual claim rate: a worked example in vending, kiosk & self-service equipment

This scenario runs the warranty reserve calculation on the strong side: 21% annual claim rate, with every other input held at its documented default. An equipment OEM sets a per-machine warranty accrual before fleet deployment to fund bill validators, card readers, and cooling repairs.

The inputs for this scenario

  • Machines Deployed: 400 machines (unchanged)
  • Average Service Call Cost: 320 $/machine (unchanged)
  • Annual Claim Rate: 21 % (raised for this scenario; the documented default is 18)
  • Service Network Setup: 20,000 $ (unchanged)

Working through the calculation

  • Applying the documented formula (Reserve = Machines Deployed x Avg Service Call Cost x Annual Claim Rate% + Service Network Setup) to the inputs above produces each figure below.
  • At this operating point the engine returns 46,880 $ for total warranty reserve cost, the number this scenario is built around.
  • At this operating point the engine returns 117 $ / piece for warranty reserve cost per unit.
  • At this operating point the engine returns 26,880 $ for variable warranty reserve cost.
  • At this operating point the engine returns 20,000 $ for fixed warranty reserve adder.

How this compares with the baseline

  • Against the tool's baseline example, where annual claim rate sits at 18% and the headline result is 43,040 $, this scenario comes in 8.92% above the baseline at 46,880 $.
  • Use it when pricing a warranty into a machine sale, closing books at fiscal year-end, or sizing the reserve before a large kiosk rollout. Treat this as a target state: the delta against the baseline quantifies what the improvement is worth before you commit to chasing it.

Results at a glance

  • Total warranty reserve cost: 46,880 $ (headline result)
  • Warranty reserve cost per unit: 117 $ / piece
  • Variable warranty reserve cost: 26,880 $
  • Fixed warranty reserve adder: 20,000 $

Run it with your numbers

  • Every input above is editable in the live Warranty Reserve calculator, which recalculates instantly and can be shared with the inputs intact.

Last reviewed 2026-05-12.