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No Lights

No Lights — Power supply issue, charging disabled

Tesla Wall Connector · (Gen 3)

What does No Lights mean?

The Wall Connector has no lights on, indicating a problem with the power supply. Charging is not possible until this is resolved.

Common Causes

  • The main power supply is turned off.
  • Internal wiring fault.
  • Faulty Wall Connector unit.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check that the circuit breaker for the Wall Connector is switched on.

  2. 2

    If the breaker is on, have an electrician verify voltage is present at the Wall Connector's terminal block.

  3. 3

    Record voltage readings (L1 to L2/N, L1 to Ground, L2/N to Ground) for an electrician.

  4. 4

    If power is present, contact Tesla Energy for further assistance.

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