Tesla · Gen 3 Wall Connector
Two red blinks indicate a ground assurance fault, meaning high resistance was detected in the ground connection, which has disabled charging.
Click steps to track your progress.
Verify that the Wall Connector is properly grounded according to installation instructions.
Ensure the ground connection is bonded in the upstream power supply for proper operation.
Check all physical electrical connections, including wirebox terminals, electrical panel(s), and junction boxes.
For residential power supplies, check the bond between ground and neutral at the main panel.
If connected to a transformer, contact the transformer's manufacturer for guidance on bonding the ground connection.