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Alarm Fault Finding

Basic Alarm Fault Finding

Experiencing issues with your Aico alarms? This fault-finding guide is designed to help you quickly troubleshoot problems such as smoke alarm faults, CO alarm beeping, or what to do when RadioLINK+ is not working. Whether your fire alarm keeps beeping or you’re just looking for general Aico alarm troubleshooting, follow our clear, step-by-step solutions that are aligned with UK safety standards below: 

Common Smoke Alarm Fault Finding Tips

If your smoke alarm is beeping intermittently or not responding to the test button, use this smoke alarm fault-finding guide to quickly identify the issue. Whether it’s dust build-up, low battery, or wiring faults, we explain how to resolve common causes safely and effectively.

Smoke or Heat Alarms

A smoke or heat alarm is sounding for no reason:

Regular Single Beep from a smoke or heat alarm:

Irregular Beep from a smoke or heat alarm:

Carbon Monoxide Alarms

One of the most frequent support queries we get is about a CO alarm beeping at regular intervals. This guide covers each CO alarm beeping fix, including checking the battery level, looking at the “Replace By” date, and ensuring correct alarm siting away from boilers or vents that may cause false triggers.

A Carbon Monoxide alarm is sounding:

Regular single beep from a Carbon Monoxide alarm:

Alarm Interconnection

Alarms are not interconnecting (RadioLINK+ interconnect):

Alarms are not interconnecting (hard-wired interconnect):

Test Button

The Test button is not working:

Alarm Accessories

Alarm accessories are not working with all or some alarms:

We’re Here To Help

Find the information you need in our library of educational and informative resources.

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