Tag: hvac

All the articles with the tag "hvac".

• York 8 Flashes Error Code — Causes & Fix

  22 Apr, 2026

  What 8 flashes on a York furnace means, why ignition lockout occurs, and how to diagnose and reset the system.

• Armstrong Furnace E4 Error Code - Ignition Lockout

  22 Apr, 2026

  Armstrong furnace E4 means ignition lockout. Check the ignitor, flame sensor, gas valve, inducer, pressure switch, and gas supply.

• Carrier 12 Error Code - Blower Runs After Heat

  22 Apr, 2026

  Carrier 12 means the blower kept running after post-purge. Check high-limit trips, airflow, filter, blower capacitor, and control relay.

• Carrier 22 Error Code - LSOM Stall Fault on Single-Stage Furnaces

  22 Apr, 2026

  Carrier error code 22 means an LSOM stall fault. Check motor startup, capacitor, wiring, board output, and blower or inducer load.