I have a 2015 Ford EcoSport and my aircon fan won't switc...

My name is \*\*\*\*\* \*\*\*\*\* I will be able to assist you. I’m sorry that you’re having trouble with your vehicle. Don’t worry though, we’ll be able to figure this out. Thank you for taking the time to let us help you out with this problem and hopefully we can sort it out quickly. Please understand that I do not know your knowledge or capabilities so I may need to ask questions to find out basic information to help solve your specific problem. Sometimes it may take a moment for me to respond because I may have to look up information about your concern. I appreciate your patience and will provide responses as soon as possible. This is a common problem and usually requires replacing the blower motor control module. Of course some electrical testing would need to be done to verify it's bad but that is the most common problem for this issue. My goal is to give you the best service possible and to help you. If you have any questions or concerns, please don’t hesitate to let me know. If I’m not online at the time, I will respond ASAP when I get back. You can ask unlimited questions to any of the 12,000 Experts! From doctors, lawyers, tech support, contractors, tutors, auto and boat mechanics, appliance technicians, veterinarians, accountants, appraisers, psychologists, engineers, heavy machinery masters, dream interpreters, and more, we've got you covered, 24/7.

Thank you for getting back to me, the air flow is strong and there's no smells coming through, the only issue is that the fan wont switch off, if I use the aircon it works, goes cold when I need it to and hot when I set it to a different temp.

You're very welcome. This is a common problem and usually requires replacing the blower motor control module. Of course some electrical testing would need to be done to verify it's bad but that is the most common problem for this issue.