We were called out to a home in North Las Vegas where the customer reported that their AC was running but not producing any cooling, along with a buzzing noise coming from the attic. After a detailed diagnostic, our technician identified two critical failures inside the air handler that explained the system’s symptoms.
The indoor blower motor was completely seized and unresponsive during testing. A buzzing sound from the attic blower compartment confirmed that the motor was trying to start but unable to spin.
Upon further inspection, we found that the blower wheel was caked with dust and debris, adding drag and further strain to the motor. We also observed moderate to advanced corrosion on the evaporator coil, with rust buildup at the base and signs of past moisture accumulation around the copper lines.
We documented the component failure for the homeowner and provided a full breakdown of the repair options. While the unit still powers on, the blower motor must be replaced for the system to circulate air properly.
We also recommended addressing the blower wheel contamination and monitoring the coil condition closely, as the corrosion will continue to worsen over time and may eventually compromise cooling performance or cause refrigerant leaks.
With a clear diagnostic in hand, the homeowner now understands the source of the buzzing and cooling failure. We left the unit powered off to prevent additional electrical damage and scheduled a follow-up repair visit.
Bob’s Repair will return with a replacement motor and updated parts to get the system back up and running. For long-term performance, we advised a coil inspection during the next service to evaluate whether a proactive replacement is needed.
HVAC systems involve electricity and potentially harmful refrigerants that can pose serious safety risks. Attempting DIY repairs or maintenance on air conditioning systems may result in:
All HVAC system work shown in this article was performed by licensed professionals following industry safety protocols. For your safety and the protection of your property, always consult with certified HVAC technicians for repairs, maintenance, and installations.
When your HVAC system fails, our team brings answers—not pressure. We offer expert diagnostics, clear explanations, and honest recommendations, all backed by our satisfaction guarantee. As the #1 Trane installer in Las Vegas for 2024, recognized by both Yahoo Finance and Business Insider, Bob’s Repair is your trusted partner for repair and replacement.
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