When your extractor fan motor failure, the core component that spins the fan blade to pull air out of your kitchen or bathroom. Also known as exhaust fan motor, it’s the heart of your ventilation system—without it, moisture and smells stay trapped, leading to mold, peeling paint, and stale air. Most people don’t think about their extractor fan until it stops working, but when the motor dies, it’s not just an annoyance—it’s a health risk.
Motor failure doesn’t happen out of nowhere. It’s usually the result of years of dust buildup, moisture exposure, or worn-out bearings. If your fan is making a grinding or buzzing noise, that’s your motor screaming for help. A fan that spins slowly or won’t start at all? That’s the motor losing power. You might also notice a burning smell—this isn’t just a sign of overheating, it’s often the insulation on the motor windings breaking down. These aren’t minor issues. They’re warning signs that the motor is about to give out completely.
Some people try to fix it by cleaning the blades or resetting the circuit, but if the motor itself is the problem, those tricks won’t last. The real fix often means replacing the motor—or sometimes the whole fan unit. It’s not always expensive, but it does need the right tools and knowledge. You don’t need to be an electrician to spot the signs, but you do need to know when to stop DIY and call in someone who’s trained. A certified electrician, a professional qualified to handle household electrical systems. Also known as qualified tradesperson, it can test the wiring, check for voltage issues, and confirm if the motor is truly dead. If you’ve got an older fan, it might be cheaper to replace the entire unit than to source a matching motor. Newer models are quieter, more energy-efficient, and built to last longer.
Extractor fans in kitchens and bathrooms face different challenges. Kitchen fans deal with grease and steam, while bathroom fans fight humidity and soap residue. That’s why motor failure rates vary by location. If you’ve got a fan that’s over 10 years old, it’s already past its prime. Even if it still runs, it’s likely using more power than it should and could fail at the worst time—like after a long shower or during a big cookout.
What you’ll find below are real fixes from people who’ve been there. From simple checks you can do in five minutes to when you need to call a pro, we’ve got the step-by-step guides that actually work. You’ll learn how to tell if it’s the motor or just a clogged duct, what tools you need, and how to avoid the most common mistakes that lead to repeat repairs. No fluff. Just clear, practical advice to help you get your air flowing again.
Kitchen extractor fans stop working due to grease buildup, motor failure, wiring issues, or blocked ducts. Learn the most common causes and how to fix them yourself with simple tools and steps.