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Six (6) red blinks

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

Tesla · Gen 3 Wall Connector

What does Six (6) red blinks mean?

Six red blinks indicate that the Wall Connector has detected an overvoltage condition or poor quality from the electrical grid, disabling charging for safety.

Common Causes

  • Power supply exceeding the nominal 200-240 volts
  • Unstable or irregular grid power quality

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify that the power supply to the Wall Connector is nominally within the 200-240 volts range.

  2. 2

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

  3. 3

    The electrician should confirm that voltage readings at the terminal block are as expected using a multimeter and record readings for L1 to L2/N, L1 to Ground, and L2/N to Ground.

Browse all codes in this manual (14)
Verified technical data. Last updated: April 2026

Related Faults

Blue solidBlue solid light — Waiting to charge, communicating with vehicleEvery green streamingEvery green streaming — Charging in progressFive (5) red blinksFive red blinks — Group power management communication issue, charging reduced
Source: Tesla Gen 3 Wall Connector
Open Manual (Page 55)Search more codes in this manual