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Top light on, Off, Off, 4 flashes

Top light on, Off, Off, 4 flashes — Over or under voltage protection

Tesla Wall Connector · (Gen 3)

What does Top light on, Off, Off, 4 flashes mean?

The voltage on the circuit supplying the Wall Connector is either too high or too low. This can prevent charging or damage the unit.

Common Causes

  • Voltage outside the acceptable range
  • Issues with the electrical supply from the utility

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Consult your electrician to check the voltage on the circuit breaker servicing the Wall Connector.

  2. 2

    Ensure the circuit voltage is within the expected range.

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