Fix Fan: Simple DIY Guide to Repair Your Extractor Fan

If your kitchen or bathroom fan is humming louder than a jet engine or not turning on at all, you don’t have to panic. Most fan issues are caused by a few easy‑to‑spot problems that you can fix yourself with basic tools. In this guide we’ll walk through the most common faults, show you how to clean and replace a motor, and tell you when it’s smarter to call an expert.

When to Repair and When to Replace

First, decide if the fan is worth fixing. If the housing is cracked, the wiring is frayed, or the fan is more than 15 years old, replacement may save you time and money. A fresh fan usually costs less than a full repair when you factor in parts and labor. On the other hand, a brand‑new motor or a clogged blade can be swapped out in under an hour and restore full performance.

Check the fan’s age on the label inside the housing. Most modern extractor fans last 10‑12 years with regular cleaning. If it’s still under that window and the issue is just a noisy motor or reduced airflow, go ahead and repair.

Step‑by‑Step Fan Fixes

1. Safety first. Turn off the circuit breaker or unplug the fan. Even if the unit is hard‑wired, cutting the power eliminates the risk of a shock.

2. Inspect the cover. Remove the outer grille by unscrewing the clips. If you see a thick layer of grease or dust, that’s likely why the fan sounds weak. Use a soft brush and a damp cloth to wipe away the grime. A clean blade spins faster and quieter.

3. Test the motor. With the cover off, give the motor a gentle spin by hand. If it sticks, the bearings are worn. You’ll need a replacement motor – most manufacturers sell them for under £40. Note the model number before ordering.

4. Replace the motor. Disconnect the wiring harness (take a photo first). Unscrew the motor mounting brackets, lift the old motor out, and drop the new one in. Re‑attach the harness, tighten the brackets, and double‑check that the fan is oriented correctly.

5. Re‑assemble and test. Put the grille back on, restore power, and switch the fan on. It should run smoothly with less noise. If it still struggles, the problem may be the capacitor or the wall switch – both are cheap fixes, but if you’re unsure, call a qualified electrician.

Regular maintenance makes all the difference. Wipe the grill every few months and run the fan for a minute after every shower or cooking session to keep moisture from building up.

Remember, a well‑kept fan not only reduces noise but also prevents mold and keeps your home air fresh. If you hit a roadblock—like a burnt smell, a tripped breaker, or a motor that won’t start even after replacement—don’t gamble with electricity. A professional from Glastonbury Appliance Repair Services can diagnose wiring issues quickly and safely.

In short, most fan problems are simple: clean the blades, replace a dead motor, or tighten loose wiring. With the steps above you can get your fan humming along again in under an hour and save the cost of a service call. Keep these tips handy, and your kitchen and bathroom will stay fresh without the hassle.