RCD keeps tripping: how to find the faulty appliance in Sant Just Desvern
Resumen rápido
The RCD trips because it detects an earth leak.
¿Qué está pasando?
The RCD cuts power if it detects an earth leak.
Causas más probables
Appliance with faulty heating element
altaWasher, dishwasher or water heater.
Damp junction box
mediaAfter a leak, damp can reach junction boxes.
Aged or mis-calibrated RCD
mediaAfter 10–15 years they lose precision.
Pasos de diagnóstico
- 1
Switch off all breakers
These are the rectangular switches.
- 2
Reset the RCD
Reset the RCD lever.
⚠ Parada de seguridad: If you smell burning, cut the mains and call. - 3
Reset breakers one at a time
Wait 10 seconds between each.
- 4
Unplug appliances on that circuit
Unplug everything on the problem circuit.
Cuándo llamar a un profesional
Call an electrician in Sant Just Desvern.
Coste orientativo en Sant Just Desvern
60–140 €
Travel and diagnostics in Sant Just Desvern.
Contexto local · Sant Just Desvern
Many flats in Sant Just Desvern still have old panels.
Sant Just Desvern is one of the highest-income towns around Barcelona, and the brief reflects it: full refurbs with premium materials, full home automation (KNX, Loxone, Home Assistant) and yearly maintenance contracts. Stock is dominated by 1980s–90s terraced houses in Mas Lluí and new-builds in the centre. Most homes run heat pumps and underfloor heating; our HVAC team is certified to service and re-tune them. Van access and parking are easy, and we coordinate visits with concierge in gated developments.
- Comarca: Baix Llobregat
- Población: 18.234 hab.
- Parque de vivienda predominante: unifamiliar
- Año medio de construcción: 1988
- Códigos postales: 08960
Localidad residencial pegada a Sant Joan Despí y Esplugues, con calidad media-alta de la edificación.
Preguntas frecuentes
Is it dangerous when the RCD trips?
On the contrary: it's good.
What does it cost to replace the RCD in Sant Just Desvern?
Between 130 and 220 €.
Do you offer emergency electrical service in Sant Just Desvern?
Yes.
¿Prefieres que vayamos nosotros?
Diagnóstico y presupuesto en Sant Just Desvern normalmente el mismo día.
Pedir presupuesto gratis