Can You Troubleshoot These Common HVAC Problems Like a Pro?Share:FacebookPinterestTwitterMailThere’s an electrical burning smell when the system starts. What’s the most likely cause?76%Next Correct Incorrect Overheating windings in a failing motor can produce a burning smell. There’s an electrical burning smell when the system starts. What’s the most likely cause? Dirty coils Dead capacitor Bad motor windings Overcharged refrigerant 76%
