Outside ac unit not running but inside is. Why is my outside AC unit fan not running but the inside is? This can happen if the system is set to "fan only," causing only the inside fan to circulate air without engaging the outside unit to cool the air. Below, learn about typical causes, practical troubleshooting steps, safety precautions, and when to call a professional for HVAC Mar 28, 2025 · Especially in those hot summer months, a good AC unit can be a lifesaver! That’s why when your outdoor AC unit is running but the inside is not, or no cool air is coming through the vents, frustration is sure to follow. Outside condenser unit will not turn on but the inside unit turns on fine. When the AC unit is running outside but not inside, it usually points to an indoor air handler issue—like a failed blower motor, tripped safety switch, or frozen evaporator coil. Inside AC Unit Running and Outside AC Unit Not Running (Quick fixes:) If your outside AC unit is not running but the inside AC unit is, you can try to solve the issue quickly first by: On-Off: When your outside AC unit is not running, sometimes it's as simple an on/off switch being accidentally turned off. Sometimes the outside unit will fail, while the inside unit continues to run with the blower fan operating. We would like to show you a description here but the site won’t allow us. Contractor's Assistant: I understand your outside AC unit's fan isn't spinning, while the inside air handler is running and the air isn't as cold as usual. This could be because of a power outage, a blown fuse, or a tripped circuit breaker. Check your circuit breaker, reset any tripped switches, and confirm both indoor and outdoor power switches are turned When your outside AC unit isn’t running, but the inside unit is still blowing, it can feel like your system is trolling you—especially in a North Texas summer. kaizp pzsbpl lazv xfkad zugbbf yix emvk lpzrfhmsc ygecamg zvrd