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. Checking the Electrical Components Electrical faults are the most frequent culprits when the indoor unit runs but the condenser does not.
Why Your Outside Unit Is Not Turning On Despite the Air Handler Running
Conversely, the outside unit, or condenser, is tasked with releasing the heat extracted from your home into the outdoor environment. Look for a tripped breaker in the outdoor unit's dedicated circuit and check the disconnect box, which is usually mounted near the unit, to see if it has been turned off.
The system is designed to operate in a specific sequence, and if one link in the chain is broken, the outdoor unit will not start. Homeowners can perform a basic visual inspection without touching any wiring.
Why Your Outside Unit Is Not Turning On Despite the Air Handler Running
If the refrigerant level drops too low, the low-pressure switch will prevent the compressor from running to avoid catastrophic damage to the system. If a condensate drain line is clogged and water is overflowing, the high-water safety switch will halt operation.
More About Air handler running but outside unit not
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