Workplace AED Maintenance Guide for UK Teams

A defibrillator cannot help if its battery has failed, its pads are out of date or staff cannot reach it quickly. This workplace AED maintenance guide sets out the practical checks that keep your automated external defibrillator ready for the moment every second counts.

For employers, schools, care settings and community organisations, an AED is a visible commitment to protecting people. But buying and mounting a device is only the first step. It must be checked, recorded and supported by staff who know how to respond with confidence.

Why AED maintenance is a workplace responsibility

Sudden cardiac arrest can happen to a colleague, visitor, pupil, contractor or member of the public without warning. Early CPR and defibrillation give a person their best chance of survival. An AED is designed to guide a rescuer through the process, but it depends on the equipment being present, charged and complete.

UK employers have a duty to provide adequate and appropriate first aid equipment, facilities and personnel based on their first aid needs assessment. An AED is not mandatory in every workplace, but where your risk assessment identifies one as appropriate, maintaining it properly is part of making that provision meaningful.

The same principle applies in schools, nurseries, care homes and public-facing venues. If people believe an AED is available, they must be able to rely on it. A neglected device can create false reassurance at precisely the point a clear emergency response is needed.

Assign an AED guardian and a deputy

AED maintenance should never sit vaguely with ‘the office’ or ‘health and safety’. Give named people responsibility for the checks, records and replacement orders. Appoint a deputy too, so annual leave, sickness or staff turnover does not leave the device unattended.

The responsible person does not need clinical knowledge to carry out routine checks. They do need to understand the manufacturer’s instructions, know where replacement pads and batteries come from, and have authority to escalate faults immediately.

Keep a simple maintenance record beside the AED logbook or within your health and safety system. Record the date, the person completing the check, the device status, expiry dates and any action taken. This provides a clear audit trail and helps ensure small issues are resolved before they become an emergency failure.

Follow the manufacturer’s instructions first

There is no single maintenance schedule that suits every AED. Models vary in their self-test functions, indicator lights, battery life, pad types and storage requirements. Your device manual is therefore the starting point.

Many AEDs run automatic self-tests and display a green tick, flashing light or ready symbol when operational. That is reassuring, but it is not a reason to ignore visual checks. A ready indicator cannot confirm that the cabinet remains accessible, the response pack is complete or the expiry dates have been monitored correctly.

Check the manufacturer’s guidance after installation, then set calendar reminders well ahead of battery and electrode pad expiry dates. Do not wait for an item to expire. Ordering replacements early avoids a period where the AED is unavailable because a delivery has been delayed.

What to check routinely

A weekly visual check is a sensible approach for many workplaces, particularly where the AED is accessible to the public or stored in a busy area. Organisations with multiple devices, remote sites or high visitor numbers may choose more frequent checks. Your own risk assessment and device guidance should shape the routine.

During each check, confirm that:

• the AED is in its designated location and easy to access

• the status indicator shows the device is ready for use

• the cabinet, carry case and seals are undamaged

• adult pads are present, sealed and within their expiry date

• paediatric pads or a child mode are available where your risk assessment requires them

• the battery is fitted and within its stated service life

• the scissors, gloves, face shield, razor, towel and absorbent wipe are present if included in the response kit

• signage is visible and the route to the AED is not obstructed.

A short, consistent check is more reliable than a complicated form that nobody completes. However, record any fault, missing item or expiry date. If a device is not ready, make this clear to relevant staff and arrange a replacement or repair without delay.

Do not overlook pads, batteries and consumables

Electrode pads and batteries are the items most often missed. Pads have a use-by date because the conductive gel can dry out. Batteries also have a replacement date, even if the AED has never been used. These dates matter because the unit needs enough power to analyse heart rhythm and deliver a shock if advised.

After an AED is used, treat it as out of service until it has been checked and restocked. Replace the pads, as they are single use, and follow the device instructions on data download, battery checks and clinical review. A used AED may contain important event information, so ensure this is handled according to your local procedure.

Check the contents of any response kit at the same time. Scissors may be needed to cut clothing, a razor may be needed for a hairy chest, and a towel can help dry wet skin. These are small details, but they can prevent delay when a team is trying to expose the chest and apply pads quickly.

Keep the AED accessible in a real emergency

An AED behind a locked door, in a manager’s office or at the far end of a large site may not be accessible when it is needed. Consider who is on site at different times, including evenings, weekends, school holidays and lone-working periods.

Place the device in a clearly marked position where people can reach it quickly. If it is stored in a locked or alarmed cabinet, make sure the access process is understood by staff and does not depend on one person holding a key. External cabinets need particular attention: check heating, power supply, weather protection and access arrangements in line with the cabinet guidance.

Signage matters. New starters, agency workers, contractors and visitors will not know your layout. Display clear AED signs and include its location in inductions, emergency procedures and site plans. For larger premises, consider whether a second device would reduce retrieval time in distant areas.

Make maintenance part of your emergency plan

The best equipment still relies on people taking action. Staff should know to call 999 immediately, start CPR, send someone for the AED and follow the device prompts. They do not need to be afraid of doing harm by using it - an AED analyses the person’s heart rhythm and will only advise a shock when appropriate.

Regular Basic Life Support and first aid training builds the confidence that turns an AED from a wall-mounted box into a lifesaving resource. Practical sessions allow staff to rehearse recognising cardiac arrest, giving effective chest compressions, attaching pads and working together under pressure.

Your emergency plan should also state who meets the ambulance crew, who directs them to the casualty and how the incident is recorded afterwards. Review this plan after drills, staff changes, building alterations or an actual emergency. A change in occupancy, layout or workforce can alter what ‘adequate and appropriate’ looks like.

Common maintenance mistakes to avoid

The most serious errors are usually ordinary ones: assuming self-tests remove the need for inspections, allowing pads to expire, forgetting to restock after use, or leaving the AED inaccessible outside normal hours. Another common problem is installing an AED without telling staff where it is or giving them the confidence to use it.

Avoid assigning the task informally. A named owner, a deputy, a clear check schedule and a simple record make the system dependable. If your organisation operates across several sites, standardise the process while allowing for local differences such as public access, paediatric needs and external cabinets.

Training 2 U delivers practical, instructor-led first aid and Basic Life Support training at workplaces across Merseyside, Lancashire, Cheshire and Greater Manchester. Training led by professionals with frontline clinical experience gives teams the chance to practise the decisions that matter when pressure is high.

A maintained AED is a promise to your people: if the unthinkable happens, the equipment will be there and someone will know what to do. Put the checks in the diary, involve your team and keep that promise ready to save a life.