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Three red flashes

Three red flashes — Charging stopped due to high temperature

Tesla Wall Connector · (Gen 3)

What does Three red flashes mean?

The Wall Connector has stopped charging and is displaying three red flashes, indicating it has reached a critical temperature.

Common Causes

  • Excessive ambient temperature.
  • Prolonged high-load charging in warm conditions.
  • Blocked ventilation for the unit.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the Wall Connector has adequate ventilation and is not covered.

  2. 2

    Wait for the unit to cool down; charging will resume automatically when temperatures return to normal.

  3. 3

    Check Wi-Fi connection for firmware updates that might improve thermal management.

  4. 4

    If the problem persists, have an electrician inspect wiring and connections for heat issues.

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 14)Search more codes in this manual