If the igniter does not have continuity, replace it. It could be a sign of low amperage. Return any part for any reason with our generous 365-day return policy.In addition to providing replacement parts, RepairClinic.com offers free online troubleshooting information and DIY repair videos. Furnace Blower Not Running — Furnace Troubleshooting - YouTube Check Your Furnace Air Filter if Your Furnace is Still Not Blowing Air Your next step should be to check your furnace’s air filter as this can cause a furnace to stop blowing air for a couple of reasons. Locate the blower compartment with the inspection window. To determine the cause of a blower fan failure, isolate the motor, and perform some basic electrical tests. This tutorial covers the conventional gas furnace (up to 89% AFUE). My hunch (but I am not an HVAC pro) is that the fan is fine because it works in "on". Once you’ve determined the solution, our expertly-produced video tutorials will guide you through every step of the repair.At RepairClinic, we make fixing things easy!Connect With Us!https://plus.google.com/+repairclinichttps://www.facebook.com/RepairClinichttps://www.twitter.com/RepairClinichttp://pinterest.com/RepairClinic/Join our VIP email list for discounts and money-saving tips: http://tinyurl.com/pnnh3beCheck out our blog: http://www.DIY.RepairClinic.comDon't forget to like and comment on this video, and subscribe to our channel! If your furnace’s motor runs but the blower doesn’t move air, the belt that connects the two probably has broken. If the igniter is not cracked, use a multimeter to test the igniter for continuity. Already ordered? Step 5: Check Your Blower Motor if Your Furnace Still Won’t Turn On. The pressure switch senses a pressure change and closes a switch to signal the control board that the furnace has proper air flow. If the furnace starts, the problem is either with the thermostat wire or thermostat. Hold times are long. Be aware that poor airflow through the... burner is often a result of insufficient ventilation or a restricted exhaust vent. If the flame sensor does not detect a flame, the control board will shut off voltage to the gas valve to prevent the furnace from heating. Make sure that your furnace is in a properly ventilated location and the exhaust vent is clear of obstructions. If the inducer fan motor cannot draw enough air through the burners, or if the furnace is not venting properly, the rollout switch will open to halt the ignition sequence and prevent the furnace from heating. If the tool is not working as it should, or if it has been dropped, damaged, left outdoors, or dropped into water, return it to an authorized service center. Enter model number to search for the required part specific to your product, Browse our parts categories to select from a variety of parts for your product. The motor can be faulty or seizing up causing it to not spin fast enough to move enough air through the furnace. Unfortunately, all heaters and furnaces need to be replaced eventually, but the good news is that some heating problems can be fixed without having to purchase a whole new system. Bring broad knowledge of electricity and specific knowledge of the use of electrical testing equipment. To determine if the igniter is faulty, remove the igniter and inspect it for cracks. Enter the full model number of your Westinghouse furnace in our website’s search bar to find all the furnace parts that match your model. We guarantee the fastest shipping possible—all in-stock parts ship the same business day. I would suggest that you check your limit and rollouts to make sure they are all closed with a voltmeter. see BLOWER DOOR SAFETY SWITCH. It is very important. First, turn off all power to the unit and turn off the gas at the gas valve that serves the furnace. Not sure if the unit was humming though. Sometimes, if the flame sensor is dirty, it will fail to detect a flame. Furnace Does Not Blow Air. And probably not a limit switch because the system (from what you've described, and similar to what I experienced) runs despite not having the blower running. For a tutorial that supplements this tutorial and covers issues unique to the high-efficiency gas furnace (90% AFUE and above), read up on troubleshooting a high efficiency condensing furnace. Purchase Westinghouse Furnace Blower Motors, Furnace Draft Inducers, Venter Motors on line at discount prices. I looked up a forum and another had the same problem. Replacing it is an easy fix. 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