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Three (3) red blinks

Three red blinks — High temperature detected, charging limited or disabled

Tesla Wall Connector · (Gen 3)

What does Three (3) red blinks mean?

Three red blinks indicate that the Wall Connector has detected a high temperature. Charging may be limited or completely disabled to prevent overheating.

Common Causes

  • Overheating of the Wall Connector.
  • Incorrectly sized conductors or improper terminal torque.
  • Outdated firmware.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the faceplate and cable handle for excessive warmth.

  2. 2

    Connect the Wall Connector to Wi-Fi to ensure it can receive the latest firmware updates.

  3. 3

    If firmware does not update automatically, use the commissioning procedure to manually update.

  4. 4

    Have an electrician verify that conductors are sized correctly and terminals are torqued to specification.

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