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  2. Tesla Wall Connector
  3. (Gen 3)
  4. 2 red blinks
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2 red blinks

Two red blinks — Ground assurance fault, high ground resistance detected

Tesla Wall Connector · (Gen 3)

¿Qué significa 2 red blinks ?

The Wall Connector has detected high resistance in the ground connection. This affects safety and disables charging.

Causas comunes

  • The Wall Connector is not properly grounded.
  • The ground connection is not bonded upstream in the power supply.
  • Loose physical connections at terminals or panels.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Verify that the Wall Connector is securely grounded.

  2. 2

    Check all physical connections, including wirebox terminals and electrical panel connections.

  3. 3

    Ensure the ground and neutral are bonded correctly at the main electrical panel.

  4. 4

    If connected to a transformer, consult the manufacturer regarding proper ground bonding.

Ver todos los códigos en este manual (49)
Datos técnicos verificados. Última actualización: April 2026

Fallas relacionadas

1 red blinkOne red blink — Ground fault detected, charging disabled3 red blinksThree red blinks — High temperature detected, charging limited or disabled3 red flashesThree red flashes — Charging stopped due to high temperature
Fuente: Tesla Wall Connector (Gen 3)
Open Manual (Page 55)Buscar más códigos en este manual