HVAC Refrigeration Guide — OEM replacement

Furnace Won't Ignite? How to Diagnose a Draft Inducer Failure

Aug 09, 2026

If a gas furnace won't start or locks out before the burners light, the draft inducer is one of the first components to check. This guide covers how to confirm an inducer failure — symptoms, voltage checks, and confirmed OEM replacement parts for York, Heat Controller, Modine, and more — before you order the wrong part.

Tags: blower motor, combustion air blower, draft inducer, Fasco A238, furnace diagnosis, furnace lockout, furnace won't ignite, Heat Controller, HVACR parts, inducer motor, Modine inducer, OEM replacement, pressure switch, S1-373-20830-001, York inducer

Condenser Fan Motor Diagnosis

May 13, 2026

A field-tested diagnostic guide for condenser fan motor failures — covering winding failure, bearing seizure, capacitor misdiagnosis, and OEM spec matching. Includes a symptom-to-cause table, step-by-step diagnostic sequence, and brand-specific notes for Trane, Heatcraft, York, and Nordyne.

Tags: bearing failure, commercial HVAC, condenser fan motor, Heatcraft, HVAC, motor diagnosis, Nordyne, OEM replacement, refrigeration, run capacitor, Trane, winding failure, York