Not a replacement product. One failed, replaceable component was behind 3,072 of 4,800 returns.
The failure is often small. The product-level consequence is not.
Source: user brief. Fictional Arclight return review, January to December 2026.
One part fails
18 min to component
62% of serviceable claims
Median authorized repair takes 46 minutes because the enclosure uses 14 fastener types and two glued structural seams.
Source: user brief.
Design for the known failures.Make these modules accessible, replaceable and available.
Source: user brief. Shares are of all 4,800 returns.
| Measure | Current | Modular prototype |
|---|---|---|
| Time to reach failed component | 18 min | 4 min |
| Fastener types | 14 | 4 |
| Glued structural seams | 2 | 0 |
| Replaceable without soldering | 5 of 11 | 10 of 11 |
| Successful first-time reassembly | 73% | 97% |
The prototype reached the failed component 14 minutes faster.
Source: user brief. Controlled teardown of 30 units.
Directional pilot findings from 600 fictional owners. These are not market-wide claims.
Source: user brief.
€1.06m annual avoided replacement and logistics cost, less €2.70 per unit across 180,000 annual units.
Source: user brief. €0.60m equals €0.42m engineering plus €0.18m tooling. Benefits are expected values at steady state.
| Pilot measure | Current evidence | Approval target |
|---|---|---|
| Median component access time | 18 min | Under 6 min |
| Fastener types | 14 | No more than 5 |
| Glued structural seams | 2 | 0 |
| Priority components replaceable without soldering | 5 of 11 | 9 of 11 |
| Repair completion | 38% | At least 70% |
| Parts, instructions and prices | Not specified | Publish for 5 years after last sale |
Source: user brief.
Fund engineering and tooling for the Lumen Kettle and Drift Brewer.
Appoint a design-for-repair owner by 15 September 2027.
Review prototype results at the January 2028 product council.