Fire extinguisher inspection: frequency, servicing and traceability

The fire extinguisher is the first means of tackling a fire in its early stage. You find one in every public-access building (ERP in France), business, apartment block and public building. Its presence only matters if it works on the day it is needed: that is the whole point of regular inspection and servicing, which are a legal duty rather than mere good practice.

A simple device, a standing obligation

A fire extinguisher holds an agent (water with additive, powder, carbon dioxide) sprayed under pressure onto a starting fire. Each agent suits specific fire classes: class A for solids, class B for flammable liquids, class C for gases. A poorly chosen extinguisher is as useless as a faulty one, so the first reflex of any inspection is to confirm that the device matches the risk of the area it protects.

Beyond the device itself, the duty is to keep it in working order over time. An extinguisher that is out of date, depressurised, hidden behind furniture or whose sign has gone no longer does its job. In the event of a fire, the lack of documented checks counts against the manager or employer.

What the rules require, building by building

In workplaces, France's Labour Code requires premises to be fitted with firefighting means and kept in good condition. The usual rule is at least one 6-litre water spray extinguisher per 200 to 300 m² of floor area, with at least one device per level, plus extinguishers suited to specific risks (electrical, flammable products).

In public-access buildings, the fire safety regulations are stricter and vary with the type and category of the establishment. The logic is the same: enough devices, matched to the risks, accessible and signed. Compliance is logged in the building's fire safety register.

How often to inspect an extinguisher

The benchmark is an annual service carried out by a competent technician, in line with the NF S61-919 standard. This visit checks the device, without necessarily opening it, and results in a dated label being applied.

On a longer cycle, a deeper overhaul is scheduled depending on the type of device, along with a decennial test for permanently pressurised extinguishers: the body of the device, a pressure vessel, must be requalified. Finally, any extinguisher used, even for a few seconds, must be recharged immediately: a half-empty device gives a false sense of safety.

What the annual service covers

During the visit, the technician checks in particular:

• the general condition of the device: body, hose, handle, absence of corrosion or impact;
• the internal pressure and the proper sealing of the safety pin;
• the legibility of the label, the date of the last inspection and the expiry date;
• the accessibility of the extinguisher and the presence of its regulatory sign;
• the suitability of the agent (water, powder, CO2) to the risk of the protected area.

The most common non-conformities

In the field, the gaps found are often the same: an extinguisher taken off its bracket and left on the floor, access blocked by furniture or boxes, a torn-off sign, an unreadable service label, or a device whose annual deadline has been overdue for months without anyone noticing. None of these situations is dramatic, but each is enough to put the establishment at fault during a safety commission visit.

Who can inspect an extinguisher

Two levels need to be distinguished. The annual service is the job of a competent technician, trained and certified, usually engaged from a specialist company: they apply the dated label and take responsibility for the state of the device. In parallel, the establishment's staff can and should carry out simple visual checks throughout the year: the device is in place, accessible, its seal intact, its sign present. These light checks do not replace the annual visit, but they are what catches the off-the-bracket extinguisher or the blocked access between two services.

Traceability, the real weak point

The check itself is rarely the problem: maintainers do their job. What goes wrong is the proof and the overview: knowing which extinguisher was checked, when, by whom, and which one is coming due. Paper labels fade, service reports end up in a drawer, and a fairly large site soon has dozens of devices spread across several buildings and levels.

Without a reliable inventory, you discover the gaps at the worst moment, during the inspection visit, and struggle to show that the fleet is genuinely tracked.

Record and track your extinguishers with KARTES

With KARTES Fire safety, every extinguisher becomes a geolocated record: type, exact location, commissioning date, inspection deadline, photo and full intervention history. The survey is done in the field from a smartphone, even offline, then syncs automatically once the network is back.

At a glance, on the map, you see the devices to inspect and those whose deadline is approaching. You keep timestamped, photographed proof of every check, your contractors record on the same base as your own teams, and you export the full state of your fleet for the safety commission. Traceability stops being a headache and becomes a simple by-product of daily work.

Key points

• The extinguisher must match the fire class of the area it protects.
• Annual service by a professional, decennial test for permanently pressurised devices, immediate recharge after any use.
• Non-conformities are mundane: blocked access, missing signage, overdue deadline.
• The critical point is not the check but traceability: inventory, deadlines and proof.
• A geolocated, dated inventory prevents oversights and secures inspection visits.