e4.1 · Trane · S8V2

For e4.1 · Trane · S8V2, brand is Trane; model / control board is S8V2; fault code is e4.1; fault name is Open reverse air-flow limit switch, verified against its source on 2026-08-28.

Brand: Trane
Model / control board: S8V2
Fault code: e4.1 verified
Fault name: Open reverse air-flow limit switch verified

Sourceelibrary.tranetechnologies.com

Verified2026-08-28

Review by2028-08-27

DatasetResidential gas furnace fault code lookup by brand

What the source says

e4.1 Open reverse air-flow limit switch

— elibrary.tranetechnologies.com, retrieved 2026-08-28

Source

elibrary.tranetechnologies.comhttps://elibrary.tranetechnologies.com/public/residential-hvac/Literature/Installation%20Operation%20and%20Maintenance/FNR-SVX003A-EN_10312025.pdf

Last verified against source: 2026-08-28. Due for re-check by 2028-08-27. This page as Markdown · OKF bundle · full dataset as JSON.