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Alarm Maintenance and Cleaning

Basic Alarm Maintenance

It is important to carry out regular cleaning and alarm maintenance, as this will minimise the risk of nuisance beeps and false alarms and ensure your alarm is able to provide the life-saving protection it is supposed to.

How to clean alarms

Turn off mains power to the alarm and the green light should go out

  • With the thin nozzle attachment, vacuum around the vents
  • Clean the cover using a damp cloth and dry with a lint free cloth
  • Turn the mains power back on and the green light should be on

How to check an alarms age

All Aico alarms are stamped with their model, age and replace by date to make it as easy for Contractors or Homeowners to maintain and replace our alarms. Look for the ‘Replace By’ label on the side of most alarms and this will give you the age of the alarm. If you would like more information on alarm identification, please visit our support page.

How to change the batteries in the 140RC Series alarms

  • Insert a flat headed screwdriver into the removal slot of the alarm
  • Slide the alarm away from you off of it’s base and replace the battery in the back of the alarm with either a Duracell MN 1604 or Energizer 522 battery
  • Slide the alarm back on its base



This is relevant for the following products – Ei141RCEi144RCEi146RC.


How often should alarms be tested?

Regular alarm testing is a vital part of ensuring continued fire and carbon monoxide detection. Alarms should be tested monthly.

Press the test button for 10 seconds. The alarm will sound loudly, so that you know the alarm is functioning. Also check all other interconnected alarms on the system sound.

If you are experiencing any issues with your alarms, in the first instance we would recommend cleaning your alarm and replacing the batteries (if applicable). If you have any further questions please do not hesitate to contact our Technical Team at