Why does my Wallbox charger show a red light?

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.

How much does EV charger repair cost in Alicante?

The diagnostic visit starts from €80 and is deducted if the repair goes ahead. The final cost depends on whether the fault is in the wiring, the Wallbox or the RCD.

Mutxamel, Alicante

EV Charger Repair in Mutxamel

In Mutxamel, an inland town close to Alicante with many detached houses and plots, EV adoption is growing and with it the repair of domestic chargers. As these are mostly villas with their own garage, the faults we handle are usually from individual installations: insufficient earthing on dry-ground plots, unsuitable RCDs or voltage drops from the distance between the meter and the garage.

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We provide charger repair in Mutxamel, Bonalba and the local urbanisations. We pay special attention to the earthing, a critical point in homes with a plot, because poor earthing is one of the most frequent reasons a Wallbox turns red and stops charging in this area.

Measuring the earth before touching the charger

On the plots around Mutxamel and Bonalba the ground is dry for much of the year, and earth resistance rises with the drought. A value that was fine in spring can stop being fine in August, and the charger — which monitors the earth continuously — cuts the charge and lights the fault indicator without anything having broken.

That is why in this area we measure the earth with an earth tester before accepting any other hypothesis. If the value does not comply, the answer is adding rods or improving the electrode, not replacing the unit. It is the fault most often 'repaired' here by swapping out a charger that was perfectly fine.

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

How we work

Diagnosis

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

Quote

We explain the cause and cost before repairing.

Repair

We replace the faulty part or protection on site.

Charge test

We verify a full, safe charge before finishing.

Price Guide

Diagnosis from €80, deductible from the repair.

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

Frequently Asked Questions

On dry-ground plots, insufficient earthing is a very common cause of charger failure. In Mutxamel we measure and, if needed, improve the earthing as part of the repair.