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EV Charger Repair in Alicante & the Costa Blanca

Diagnosis and repair of Wallbox chargers and charging points: charging failures, communication errors and the red light.

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Technician repairing a Wallbox EV charger in Alicante

EV Charger Repair

When an EV charger stops working, the problem is rarely in the car: it is usually the EV-specific RCD, an earth fault, the Type 2 cable or the current configuration. We diagnose the exact cause with proper instrumentation, not by blind replacement.

We repair Wallbox Pulsar, V2C Trydan, ABB Terra, Schneider EVlink, Circutor and most brands installed in Alicante. If the fault is in the upstream installation (line, protections or panel), we fix that too — we are licensed electricians, not just equipment fitters.

Why does the Wallbox turn red?

A steady or flashing red light is how the charger reports a safety fault: earth leakage, communication error with the vehicle, overcurrent or a tripped RCD. Each flash pattern points to a different cause, and we read it to go straight to the source.

Many faults are solved in the same visit: re-tightening terminals, replacing the A-EV/B RCD, changing the connector or reconfiguring the maximum current to match your contracted power in Alicante.

Cable and connector: the fault that is not in the wall

Before dismantling anything we check the charging cable, because a far from negligible share of call-outs ends there. The contacts in the Type 2 connector wear with cycles and, on the coast, oxidise as well; a pin making poor contact causes local heating, an interrupted charge and sometimes dark marks visible on the connector itself.

The other suspect is how the cable is treated: coiled tightly on its holder, left lying on the garage floor where wheels run over it, or unplugged by pulling on the lead rather than the connector body. Trying a different cable is the fastest test there is for ruling out this whole family of faults.

Photos from our own installations

Our own jobs, photographed on site. Our photographs, not stock images.

Tools and cable drums laid out on a house terrace before the installation starts
Materials and tools on site before we start: cable drums, conduit and the earth cable.
Open meter cabinet showing the metering units and the corrugated conduits of the supply lines
The meter cabinet is where the new line starts — that is where we check the available supply before quoting.
Electrician pulling cable in an underground garage, with a ladder, cable drum and tool bag
Running the cable through the garage to the parking bay.
Electrician wiring the surface-mounted protection box next to the already-mounted charger
A dedicated protection box beside the charger, with the RCD a charging point is required to have.

What's included?

Red light and error diagnosis
Car communication failures
A-EV/B RCD replacement
Type 2 cable and connector repair
Wallbox, V2C, ABB, Schneider, Circutor
Power and current review

Our Work Process

1

Diagnosis

We read the error codes and measure the installation and unit.

2

Quote

We explain the cause and cost before repairing.

3

Repair

We replace the faulty part or protection on site.

4

Charge test

We verify a full, safe charge before finishing.

Price Guide

Diagnosis from €80, deductible from the repair.

Why choose us?

  • Licensed Electrician
  • 24/7 Availability
  • Years of Experience
  • Projects Completed

Why Choose Us

5.0

Google rating 5.0 / 5

15 reviews · Read the reviews

  • 24/724/7 Availability
  • 4We answer in Spanish, English, Russian and Ukrainian
  • Licensed Electrician

What our customers say

Reviews published on our Google profile

5.0average rating
  • Excelente servicio. La instalación del cargador para mi coche eléctrico fue rápida, profesional y muy limpia. El equipo fue puntual, resolvió todas mis dudas y dejó todo funcionando perfectamente. Muy recomendable por su atención y calidad de trabajo. ¡Muchas gracias!
    Алексей
  • Excelente servicio. La instalación del cargador para mi coche eléctrico fue rápida, limpia y muy profesional. Explicaron todo el funcionamiento y dejaron todo perfectamente instalado. Muy recomendable.
    Karo Hryshko

Frequently Asked Questions

A red light usually means an earth fault, a communication error with the car, overheating or a tripped RCD. We diagnose the exact cause and repair on site where possible.