Can You Troubleshoot These Common HVAC Problems Like a Pro?Share:FacebookPinterestTwitterMailThe outdoor fan is running, but the compressor is silent. What might be wrong?56%Next Correct Incorrect If the contactor is stuck or bad, it may fail to energize the compressor. The outdoor fan is running, but the compressor is silent. What might be wrong? Contactor failure Blown fuse Broken thermostat Refrigerant leak 56%