CodeRegistry
Brands
  1. Home
  2. Tesla Wall Connector
  3. (Gen 3)
  4. Red LED 4 flashes
About·Privacy·Terms

CodeRegistry — Your global library for technical solutions.

For your safety: always follow the equipment manufacturer’s official manuals. CodeRegistry is an independent help site and is not affiliated with the brands listed here.

Red LED 4 flashes

Red LED 4 flashes — Circuit Breaker Sharing Network issue

Tesla Wall Connector · (Gen 3)

What does Red LED 4 flashes mean?

This error means that more than one Wall Connector has been set to 'Master' in the network. Only one unit can be the master.

Common Causes

  • Multiple Wall Connectors set to 'Master'
  • Incorrect configuration of Circuit Breaker Sharing Network

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Set one of the Wall Connectors to 'Slave' mode.

  2. 2

    Verify that only one Wall Connector is designated as the Master.

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 25)Search more codes in this manual