Bathroom Fan Repair & Maintenance Guide
A noisy or weak bathroom fan isn't just annoying – it can cause mould, damp walls, and a stale smell. Most of the time the fix is simple, but you need to know what to look for. Below we break down the usual culprits, quick DIY steps, and when it’s smarter to call an expert.
Common Bathroom Fan Problems
First, figure out what’s going wrong. The typical issues are:
- Motor won't start: The fan may be dead, the wiring loose, or the capacitor failed.
- Rattling or humming: Often a loose mounting screw or a dirty motor housing.
- Weak airflow: Dust‑filled blades, clogged ductwork, or a worn‑out motor.
- Flickering light: If your fan has a light, a bad connection could be the cause.
Spotting these signs early saves money and stops damp from spreading.
DIY Fixes and Maintenance Tips
Most bathroom fans can be tackled in under an hour with basic tools.
- Turn off power: Switch off the circuit breaker before you touch anything. Safety first.
- Remove the cover: Unscrew the grill, pull it away, and clean the blades with a damp cloth. A vacuum can get rid of built‑up dust.
- Check the motor: Look for loose wires or a burnt smell. If the motor spins freely after you give it a gentle push, the problem is likely the capacitor. Swapping it out is cheap and easy.
- Secure the housing: Tighten any wobbling screws. A snug fan reduces rattling and vibration.
- Inspect the duct: Disconnect the duct from the fan and blow a pet‑hair brush through it. If airflow improves, the duct was blocked.
If the fan still won’t run after these steps, the motor itself is probably at the end of its life. Replacing a fan motor costs between £60‑£120 in Glastonbury, plus labour if you hire a pro.
When to call a professional? If you find any of the following, call us:
- Electrical work beyond a loose wire – you need a qualified electrician.
- Persistent hums after cleaning – the motor bearings may be worn.
- Corroded ductwork that can’t be cleared safely.
- Older fans that are difficult to find replacement parts.
Our technicians can replace the whole unit, re‑route ducts for better ventilation, and ensure the wiring meets UK safety standards.
Regular maintenance makes a big difference. We recommend cleaning the fan every six months and checking the duct for blockages annually. A quick visual check of the grill for dust and a brief test of airflow (hold a piece of paper near the outlet – if it lifts, the fan is working) keeps problems from sneaking up on you.
So, next time your bathroom feels like a steam room, don’t wait for mould to appear. Follow the steps above, and if you hit a roadblock, give Glastonbury Appliance Repair Services a call. We’ll get your fan humming quietly again, keeping your bathroom fresh and dry.
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