Tag: furnace

All the articles with the tag "furnace".

• 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.

• York 7 Flashes Error Code — Ignition Lockout Fix

  1 Apr, 2024

  York 7 flashes means ignition lockout after 3 failed attempts. This guide covers diagnosis and fixes for the York furnace 7-flash ignition lockout fault.

• York 4 Flashes Error Code — Open Limit Device Fix

  31 Mar, 2024

  York 4 flashes means the high limit switch opened due to overheating. This guide covers every cause and fix for the York furnace 4-flash open limit fault.

• Rheem Furnace 6 Flashes — Rollout Switch Open Fix

  30 Mar, 2024

  Rheem furnace 6 flashes means the rollout switch has tripped due to flame rollout. This guide covers diagnosis and fixes for the Rheem/Ruud 6-flash rollout fault.