Tag: flame-sensor

All the articles with the tag "flame-sensor".

• Goodman Furnace E2 Error Code — Flame Sense Fault (Digital Display Models)

  22 Apr, 2026

  Goodman E2 error on digital display furnaces means a flame sense fault. Learn how to clean the flame sensor, test it, and fix ignition timing issues.

• Navien Error Code E012 — Flame Loss During Operation Fix

  8 Apr, 2024

  Navien E012 error code means the flame was lost during operation. This guide covers diagnosis and fixes for the Navien E012 flame loss fault on tankless and combi units.

• Rheem Furnace 5 Flashes Error Code — Flame Sensor Fault Fix

  15 Mar, 2024

  Rheem furnace 5 flashes error code means a flame sensor fault — here's how to diagnose and fix it on Rheem, Ruud, and WeatherKing furnaces.