Cooking smells, steam and grease love to hang around your kitchen. A good extractor fan pulls that nasty air out, but like any appliance it can fail. If your fan is quiet when it should be loud, smells funny, or simply stops working, you don’t have to panic. Most problems are easy to spot and fix, and even a complete replacement can be a weekend DIY project.
First, turn off the power at the consumer unit. No electricity, no shock risk. Next, remove the fan housing. Usually a few screws or clips hold it in place – check the manual for your model. Once the housing is off, you’ll see the motor and the filter. If the filter is dirty, give it a good rinse; a blocked filter is the most common cause of weak suction.
When the motor looks burnt or makes a grinding noise, it’s time for a new fan. Measure the dimensions of the old unit (width, depth, and vent size) and note the connection type – most UK fans use a standard 110‑210 V plug, but some are hard‑wired. Take these details to a local hardware store or search online for a matching replacement.
Installation is the reverse of removal. Secure the new housing, connect the wiring or plug, and fit a fresh filter. Before you finish, run the fan for a minute to check airflow. If it feels strong and the noise is normal, you’re done. Clean the filter regularly – once a month during heavy cooking periods – to keep performance top‑notch.
If you’ve checked the power, cleaned the filter, and the fan still won’t run, the issue is likely electrical or motor‑related. Dealing with mains wiring can be dangerous without proper training, so call a qualified electrician or a specialist extractor‑fan repair service. They can test the motor windings, replace damaged capacitors, or fix wiring problems safely.
Another red flag is persistent odd smells, like burning plastic. That usually means insulation is failing, and a professional should replace the motor right away to avoid a fire risk. Also, if your kitchen has a built‑in duct that leads through the roof, you might need a roof access point inspected for blockages or damage – a task best left to a tradesperson.
Finally, consider the age of the fan. Most extractor fans last 8‑12 years with regular maintenance. If yours is older, a full replacement may be cheaper than repeated repairs. A professional can advise on the most energy‑efficient models, which can lower your electricity bill.Keeping your kitchen fresh doesn’t have to be a chore. A quick filter clean, occasional visual check of the motor, and knowing when to call in a pro will keep your extractor fan humming smoothly for years.
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