GOVERNANCE AND APPROACH
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The Reality of Community AED Governance
Community defibrillators across the UK are maintained largely through goodwill. Volunteers, parish councils, sports clubs, and community groups have stepped up brilliantly to fund and install over 75,000 AEDs nationwide. But maintaining these devices month after month, year after year is where the system often breaks down.
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The challenge isn't lack of caring. It's lack of coordination, expertise, and sustainable systems. People don't know who else is checking equipment, when pads expire, or whether their AED will actually work when needed. After 10 years managing over 9,000 AEDs, I've seen every failure mode and most are preventable.
The Core Problem
Community AED networks rely on individual volunteers remembering to check equipment monthly, knowing what to look for, understanding expiry dates, and recording checks properly. When that person moves away, gets busy, or simply forgets, the network fails silently.
What Can Go Wrong
AED failures aren't dramatic or obvious. They're quiet, gradual, and only discovered when someone desperately needs the equipment. Here are the most common issues I've encountered:
Expired Consumables
Defibrillator pads and batteries have expiry dates—typically 2-4 years for pads, 4-5 years for batteries. Once expired, pads lose their adhesive gel and conductivity. The AED may power on and seem fine, but when applied to a patient, it won't deliver an effective shock.
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it is not unusual to find a significant proportion of community AEDs with expired pads often because responsibility for checking consumables was unclear.
Environmental Damage
Not all AED models tolerate British weather equally. Some devices hate cold and damp. Cabinet heaters fail. Seals deteriorate. Moisture gets in. After a decade placing thousands of AEDs, I know which brands and models are resilient and which are problematic in outdoor cabinets.
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Poor cabinet quality compounds the problem. Some cabinets are shockingly inadequate, flimsy plastic, poor seals, ineffective heating. You can have a £1,200 AED rendered useless by a £200 cabinet.
Environmental Damage
Not all AED models tolerate British weather equally. Some devices hate cold and damp. Cabinet heaters fail. Seals deteriorate. Moisture gets in. After a decade working with thousands of community AED installations, I’ve seen clear differences in how devices and cabinets perform in real-world outdoor environments.
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Poor cabinet quality compounds the problem. Some cabinets are shockingly inadequate, flimsy plastic, poor seals, ineffective heating. You can have a £1,200 AED rendered useless by a £200 cabinet.
Failed Self-Tests
Modern AEDs run automated self-tests (daily or weekly). A green light means "passed." A red or amber light means "failed"—but only if someone actually looks. Many community cabinets are in remote locations checked infrequently. A failed self-test can go unnoticed for months.
Inaccurate Circuit Data
The Circuit is the national AED database used by ambulance services. When someone calls 999 for a cardiac arrest, the call handler checks The Circuit to find the nearest AED and direct bystanders to it. If your AED isn't registered, or the data is wrong (incorrect location, wrong access code, outdated availability), the ambulance service can't deploy it effectively. Registration is not a one-off task, it requires ongoing ownership and review.
The Silent Failure
The worst part? Communities don't know their AED has failed until someone needs it. There's no alarm bell. No warning. Just a cardiac arrest victim, a desperate bystander, and equipment that doesn't work.
Real World Cases
These aren't hypothetical risks. AED failures make the news when they occur usually after a tragic outcome. Here are some examples that illustrate what can go wrong:
Faulty community defibrillator after an emergency (2024)
​Allendale, Northumberland
In Allendale, Northumberland, a community AED that appeared on the national register as ready for use was deployed by ambulance responders during an emergency but was later found to be faulty. Local reports raised questions about maintenance and responsibility for upkeep and noted that volunteer “defibrillator guardians” are expected to check and update device status
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Defibrillator unavailable due to registration error (2025)
Melksham, Wiltshire
In Melksham, Wiltshire, a defibrillator outside a fire station could not be used in an emergency because it wasn’t registered on the national system used by ambulance services. It was listed on an alternate registry, but that didn’t help during the emergency and enquiries found the device’s status was poorly understood by the responsible council team.
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Incidents highlighting the consequences of poor maintenance (Ireland, 2025)
County Longford
In County Longford, a man collapsed while out running and a nearby community defibrillator that bystanders brought failed to work due to a dead battery. Family members later spoke publicly about the missed opportunity for successful resuscitation, and urged more regular checks.
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https://www.thesun.ie/news/14831279/longford-dad-collapsed-running-dies-defibrillator-broken/
Wider equipment failure statistics
United Kingdom
A broader NHS report noted that between 2022 and 2025, equipment malfunctions (including defibrillator failures) were associated with patient harm and deaths. While this covers healthcare settings as well as community devices, it provides context about how device failure contributes to real harm when systems aren’t maintained.
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The national picture...
100,000
Defibrillators registered on national systems used by UK ambulance services
30,000
Out-of-hospital cardiac arrests per year in the UK
<10%
Average survival rate nationally
90%
The UK’s community AED network is overwhelmingly maintained by volunteers and goodwill
Figures are indicative and based on published guidance, sector experience, and national stakeholder discussions. They are intended to provide context rather than precise measurement.
We defer to the following guidance and data sources for our information
University of Warwick – OHCA research | Resuscitation Council UK | The Circuit / British Heart Foundation
Legal Framework and Responsibilities
AEDs exist in a complex legal space. Understanding the framework helps clarify what's required and what the real risks are.
MHRA Regulation
Defibrillators are Class IIb medical devices regulated by the Medicines and Healthcare products Regulatory Agency (MHRA). Under the Medical Devices Regulations 2002, organizations that own or operate AEDs have responsibilities:
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Ensure devices are maintained according to manufacturer specifications
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Keep records of maintenance and checks
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Report serious incidents to the MHRA
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Ensure devices are fit for purpose
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Reality: MHRA enforcement action against community AED operators is extremely rare. The regulations exist, but prosecution requires egregious negligence. I'm not aware of any prosecutions of community groups for maintenance failures.
Duty of Care and Liability
Organisations have a general duty of care to maintain equipment in working order. If you install an AED and someone tries to use it during an emergency, but it fails due to poor maintenance, there is potential liability exposure.
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However: The Social Action, Responsibility and Heroism Act 2015 (SARAH Act) provides some protection for volunteers acting in good faith. Successfully suing a volunteer or community group over a maintenance failure would be difficult.
Coroner's Inquests
The real legal exposure isn't prosecution—it's inquests. When someone dies from cardiac arrest and a nearby AED didn't work, that equipment becomes part of the coroner's investigation. Questions will be asked:
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When was it last checked?
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Were consumables in date?
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Who was responsible for maintenance?
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Was there a systematic checking process?
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Coroners don't typically assign blame to volunteers, but failed equipment in a cardiac arrest death creates a permanent record. The emotional weight on communities and individuals involved can be enormous.
The Practical Risk
Prosecution is unlikely. Successful lawsuits are rare. But the risk of failed equipment contributing to a preventable death and the subsequent inquest is very real. That's the risk proper governance mitigates.
Our Governance Approach
My approach is built on 10 years of practical experience managing thousands of AEDs. It's not about box ticking compliance it's about actually preventing failures.