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Red LED 2 flashes

Red LED 2 flashes — Incompatible input distribution

Tesla Wall Connector · (Gen 3)

What does Red LED 2 flashes mean?

This indicates that a non-Tesla vehicle is attempting to connect to an incompatible input distribution. Compatible distributions are single-phase or 400V three-phase.

Common Causes

  • Connecting a non-Tesla vehicle to an incompatible power source
  • Incorrect electrical supply type for the vehicle

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the input distribution is compatible (single-phase or 400V three-phase).

  2. 2

    Consult an electrician if the input distribution is unclear or incompatible.

Browse all codes in this manual (49)
Verified technical data. Last updated: April 2026

Related Faults

1 red blinkOne red blink — Ground fault detected, charging disabled2 red blinksTwo red blinks — Ground assurance fault, high ground resistance detected3 red blinksThree red blinks — High temperature detected, charging limited or disabled
Source: Tesla Wall Connector (Gen 3)
Open Manual (Page 25)Search more codes in this manual