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4 red blinks

Four red blinks — Internet connection lost, online features disabled

Tesla Wall Connector · (Gen 3)

What does 4 red blinks mean?

The Wall Connector has lost its internet connection via Wi-Fi. Online features and remote management are unavailable.

Common Causes

  • Weak Wi-Fi signal in the installation area.
  • The local Wi-Fi router is not working.
  • Incorrect Wi-Fi password entered after a change.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check for any obstructions that might be weakening the Wi-Fi signal.

  2. 2

    Ensure your Wi-Fi router is powered on and functioning correctly.

  3. 3

    If the Wi-Fi password changed, use the commissioning process on your mobile device to update the Wi-Fi settings.

  4. 4

    Try moving the Wi-Fi router closer to the Wall Connector if possible.

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 55)Search more codes in this manual