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Top light on, Off, Off, 3 flashes

Top light on, Off, Off, 3 flashes — Input miswired

Tesla Wall Connector · (Gen 3)

What does Top light on, Off, Off, 3 flashes mean?

The input wiring to the Wall Connector has been installed incorrectly. It's possible that the Line and Neutral wires are swapped.

Common Causes

  • Line and Neutral wires are swapped
  • Incorrect installation of the input wiring

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Consult your electrician to correct the input wiring.

  2. 2

    Ensure the Line and Neutral wires are connected to the correct 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 24)Search more codes in this manual