AC Fan Not Working — Diagnosis & Repair | HeatLand Metro Vancouver

AC fan not working in Metro Vancouver — indoor blower or outdoor condenser fan diagnosis and repair by HeatLand’s licensed technicians.

Which AC fan has stopped working?

An AC system has two fans: the indoor blower (inside your air handler or furnace) that circulates air through your home, and the outdoor condenser fan (inside the outdoor unit) that exhausts heat. Both are essential — if either stops, shut the system off and call for service. Running the AC with a failed fan risks coil freeze-over (indoor) or compressor overheating (outdoor).

Important: Do not open electrical compartments on your AC system. Both fan capacitors and motor terminals carry dangerous voltage even when the system is off. HeatLand handles all AC electrical and mechanical diagnosis safely.

Frequently asked questions about AC fan problems

Why is my AC fan not working?

There are two fans in an AC system: the indoor blower (moves air through your home) and the outdoor condenser fan (exhausts heat outside). If the indoor fan isn’t running, common causes are a failed blower motor, a blown run capacitor, a tripped limit switch, or a control board fault. If the outdoor fan isn’t running, common causes are a failed fan motor or capacitor. Both require a licensed HVAC technician to diagnose and repair.

Can I run the AC with only the outdoor fan not working?

No — the outdoor condenser fan removes heat from the refrigerant. Without it, head pressure rises rapidly and the high-pressure limit switch will trip the compressor. Running the system in this condition risks compressor damage. Shut the system off and call HeatLand.

Can I run the AC with only the indoor fan not working?

No — without the indoor blower moving air across the evaporator coil, the coil will freeze over and the compressor will work against restricted airflow. Shut the system off and call HeatLand.

How much does AC fan repair cost?

An outdoor fan motor replacement typically costs $250–$550 in Metro Vancouver including parts and labour. A capacitor (which powers both fans) is typically $150–$350. An indoor blower motor runs $300–$700 depending on model. HeatLand provides a written estimate before any repair begins.

My indoor AC fan runs all the time even when the compressor is off — is that normal?

It can be normal if the thermostat fan switch is set to ON (continuous fan) rather than AUTO (fan runs only when the system is cooling). Check your thermostat fan setting. If it’s set to AUTO and the fan still runs continuously, a stuck relay on the control board may be the cause — call HeatLand for a diagnostic.

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