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Steam contains tiny water droplets that resemble smoke particles. If your alarm is positioned too close to a bathroom, steam from showers or baths can trigger it.
Tip: Install alarms slightly away from bathrooms or use specialist alarms designed to reduce steam interference.
Cooking produces small particles that can set off smoke alarms, especially if food burns or if the alarm is close to the kitchen.
Tip: Place smoke alarms at least a few metres from cookers. In kitchens, heat alarms are a better choice than smoke alarms.
Dust can collect in the sensing chamber, making the alarm more sensitive and more likely to trigger.
Tip: Gently vacuum around your alarm every few months to reduce dust build-up.
Small insects or airborne debris may get inside the alarm and disturb the sensor.
Tip: Check your alarms regularly and ensure the casing is intact.
When a battery is running low, alarms often give a warning chirp. In some cases, power fluctuations or a failing unit may cause full alarm sounds.
Tip: Replace batteries as soon as you hear warning sounds and check mains-powered alarms regularly.
Smoke alarms have a lifespan. Most need replacing after 8 to 10 years, in line with BS EN 14604 standards. A unit reaching end-of-life or developing a fault can cause nuisance alarms.
Tip: Check the date of manufacture on your alarm and replace it when it reaches the recommended age.
Cleaning sprays, deodorants and air fresheners can release chemicals and particles that affect smoke alarm sensors.
Tip: Use sprays away from alarms and ventilate rooms well.
Opening an oven door, a loft hatch or windows can cause sudden changes in temperature. This can disturb the air and trigger an alarm.
Tip: Place alarms away from direct heat sources and draughts.
Incorrect placement makes false alarms more likely. Alarms installed directly next to kitchens or bathrooms are more prone to being triggered unnecessarily.
Tip: Follow official placement guidelines. Alarms should be central but not next to steam or cooking sources.
If your alarms are interlinked, such as with FireAngel Pro Connected alarms, one unit detecting an issue causes all connected alarms to sound.
Tip: Identify which alarm activated first by the unique chirp pattern to find out if it is a CO, heat or smoke alert.
Simple checks and maintenance can reduce the chances of nuisance alarms and help ensure lasting reliability.
False alarms can be disruptive, but the reassurance of knowing your home or property is protected is invaluable. FireAngel alarms are trusted by homeowners, landlords and trade professionals across the UK. With innovative features such as interlinking and smart connectivity, FireAngel provides reliable protection that is simple to install and easy to maintain.
If you need advice on choosing the right alarms for your home, rental property or housing stock, speak to an expert today.
If you can't find what your looking for on our blogs and looking for further guidance and advice, our UK-based Customer Support team are on hand all week from 8:30am until 5:30pm, they can answer any further queries you may have on our products, solutions or services.
