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By Business7 min read

Charging station maintenance: how to avoid a point going down

The short answer

A charging station spends less time down with three layers of maintenance: monitor the status every day, do preventive work at the interval and on the items the manufacturer's manual requires, and have a service contract with a response time for corrective work. The number that shows whether the routine works is availability: hours up divided by the hours in the month.

The step by step for when the charger has already stopped is in another article. This one is about the routine that makes it stop less and come back faster.

Every charger stops at some point. What separates a point that earns from one that loses customers is how long it stays down and how often that happens. Both depend more on the routine than on the equipment. If your charger has already stopped and you want to know what to check now, the step by step is in charging station stopped: what to check. This article is about the routine that comes before and after the stoppage.

The number that sums up maintenance

Availability is the share of time the charger was ready to charge:

availability = hours up ÷ hours in the period

Measure it every month, along with the number of stoppages and the duration of each one. A few long stoppages call for a faster service contract. Many short stoppages call for a look at the cause, which tends to repeat: the same part, the same time of day, the same connection drop. The charger's status comes from the channel between it and the operations platform, often through the OCPP protocol. Version 2.0.1 brought features to configure and monitor the charger remotely (Open Charge Alliance). To track this number without a spreadsheet, the Velquia blog lists what to ask of a management system: charging station management software.

To find out how much each hour down costs at your point, the math is in a charging station with little use.

Layer 1: monitor every day

The most expensive stoppage is the one nobody sees. The charger goes down on a Friday night and the owner finds out on Monday, from a driver's complaint or the statement. Monitoring means having someone, or an automatic alert, looking at the point's status every day, including on weekends. Three signs call for attention:

  • Charger down on the platform.
  • Hours with no session at a time of day that usually has use.
  • Sessions that start and deliver no energy, or that end too soon.

Layer 2: preventive work by the manual

The interval and the list of items come from the manufacturer's manual, because they change from one model to another. Also check the warranty terms: they may require periodic maintenance done by an accredited service provider. The items that usually appear:

  • Cable and connector: cracks, a bent or darkened pin, a damaged sheath. The cable is the most handled part: the driver pulls it, drops it and sometimes drives over it.
  • Connector holster: a connector kept on the ground or hanging by the cable wears out faster.
  • Screen, reader and QR code: legible and undamaged. That is where the driver starts the charge.
  • Ventilation and filters: a fast charger generates heat and depends on the ventilation described in the manual. A blocked air intake or a dirty filter go on the cleaning list.
  • Electrical panel: breakers, surge protection device and connections, checked by an electrician.
  • Charger software: updated as per the manufacturer's guidance.
  • Internet connection: a working chip or router. Without a connection to the platform, the driver cannot start the charge.
  • Parking space: signage, lighting and surface. A space taken by a combustion car is also a form of a point being down.

Work on the electrical side, from the panel to the inside of the charger, is for a qualified professional. NR-10, from the Ministry of Labor, covers safety in installations and services with electricity. And, since the end of February 2026, a national guideline from the Fire Departments applies to charging points, with uniform design and inspection parameters, according to the ABVE. A change to the installation goes through it.

Layer 3: corrective work with a written response time

Corrective work is the technician's visit after the stoppage. What defines how long the point stays down is what was agreed beforehand. A service contract answers, in writing:

  • Response time after the call, on business days and on weekends.
  • What is included in preventive work and how often it happens.
  • Who pays for parts, labor and travel, inside and outside the warranty.
  • Parts in stock: the ones that break most, such as the cable and connector, kept near the point. A part that has to be ordered can turn into days or weeks of a point being down.
  • A record of each visit: what was done, what was replaced and what remained pending.

When it goes down anyway

  1. Warn the driver. Mark the point as unavailable on the platform and, if you can, on the charging maps. A driver who goes to the point and finds the charger down tends to choose another one next time. How the point appears on these maps is in how to make your charging station show up on apps and maps.
  2. Follow the diagnosis in order: power, connection, app and billing, and only then hardware. The step by step is in charging station stopped.
  3. Open the ticket with photos, the error message and the time it stopped.
  4. Record the stoppage: date, cause, time down and what fixed it. After a few months, this record shows the pattern.
  5. Check after it comes back: a test session and the status back to normal on the platform and on the maps.

When maintenance is on us

In Elektro Charge charging station management, layer 1 belongs to the platform: we use AI in monitoring, and it warns when a charger stops or when something is out of the ordinary. Our team acts, maintenance is done with partners and driver support is ours, 24 hours a day: we are the ones they call. You receive the report for your point, with revenue, sessions and energy. It is the same operation as our own network, where there have already been more than 4,300 charges and more than 100,000 kWh delivered. The other fronts of the operation are in charging station management.

Does your charger stay down more than it should?

Tell us where it is and how it operates today. We will tell you whether it makes sense. And if it does not, we will say so too.

Learn about charging station management →

Frequently asked questions

How often should you do preventive maintenance on a charging station?

At the interval the charger manufacturer's manual requires, and with the items it lists. The manual and the warranty terms are the reference, because they vary from one model to another. Between one preventive check and the next, a visual inspection of the cable, connector and screen can be done more frequently.

Who can maintain a charging station?

The visual inspection and external cleaning are up to whoever looks after the point. Any work on the electrical side, such as the panel, breakers and the inside of the charger, is for a qualified professional, as required by NR-10 from the Ministry of Labor, and preferably with the service provider recommended by the manufacturer.

What is the availability of a charging station?

It is the share of time the charger was ready to charge. The calculation is hours up divided by the hours in the period. Measured every month, it shows whether the maintenance routine is working and how long the stoppages last.

What should go in the charging station maintenance contract?

A response time after the call, what is included in preventive work, who pays for parts and travel, which parts are kept in stock and how the technician records each visit. Without a written response time, the stoppage lasts as long as the technician's schedule allows.

How does Elektro Charge handle point maintenance in its management service?

We use AI in monitoring: the platform warns when a charger stops or when something is out of the ordinary, and our team acts. Maintenance is done with partners, and driver support is ours, 24 hours a day.

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