When to Call a Professional While checking the thermostat setting and the breaker box are good first steps, complex issues like a faulty contactor, a failing capacitor, or a refrigerant leak require the expertise of a certified HVAC technician. Common Causes for the Outdoor Unit Inactivity Before panicking, it is important to understand that the lack of activity outside is often the result of a specific, fixable trigger.
Air Handler Running But Condenser Not Operating: Common Causes and Fixes
Similarly, modern HVAC systems rely on a network of safety sensors. Safety Switch Malfunction: High-pressure or low-pressure switches prevent the system from running if it detects dangerously low refrigerant levels or a blockage.
Inside, the air handler rumbles and blows air, but the outside unit remains completely still. If the refrigerant level drops too low, the low-pressure switch will prevent the compressor from running to avoid catastrophic damage to the system.
Air Handler Running But Condenser Not Operating: Common Causes and Fixes
This specific scenario, where the air handler running but outside unit not operating, is one of the most common and frustrating HVAC issues homeowners face during peak summer heat. The air handler is the indoor component responsible for pulling warm air across the evaporator coil and pushing the cooled air through your ducts.
More About Air handler running but outside unit not
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