Tag: lennox

All the articles with the tag "lennox".

• Lennox Error Code 125 — Causes & Fix

  22 Apr, 2026

  What Lennox error code 125 means, why the pressure switch stays open at the end of heat speed, and how to fix it.

• Lennox Error Code 327 — Causes & Fix

  22 Apr, 2026

  What Lennox error code 327 means, why it happens, and how to fix it step by step.

• Lennox Error Code 412 — Limit Switch Fault Fix

  2 Apr, 2024

  Lennox error code 412 means the high limit switch has opened due to overheating. This guide covers diagnosis and fixes for the Lennox iComfort and SLP furnace limit fault.

• Lennox Error Code 292 — Ignition Failure Fix

  10 Mar, 2024

  Lennox error code 292 means the furnace went into soft lockout after repeated ignition failures. This guide covers every cause and fix for the 292 fault code.