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Six (6) red blinks

Six red blinks — Overvoltage or poor grid quality detected, charging disabled

Tesla Wall Connector · (Gen 3)

What does Six (6) red blinks mean?

Six red blinks signal that the Wall Connector has detected overvoltage or poor quality from the electrical grid. Charging is disabled for safety.

Common Causes

  • Voltage at the installation site is too high or unstable.
  • Poor quality of the incoming electrical grid power.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Connect to the Wall Connector using the commissioning process to view live voltage information.

  2. 2

    If the issue persists, have an electrician remove the Wall Connector from the wirebox.

  3. 3

    Have the electrician confirm expected voltage readings at the terminal block using a multimeter.

  4. 4

    Record voltage readings at the terminals.

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 46)Search more codes in this manual