Troubleshooting - Tesla HPWC Installation Manual

Troubleshooting

Observe the lights on the front of the High Power Wall Connector, then use the following table to
resolve a fault.
Green Red
Lights Light
Top light Off
on
Off 1 flash
Off 2 flashes
Off 3 flashes
Off 4 flashes
Off 5 flashes
or more
QUESTIONS?
Contact Tesla at 1-877-79-TESLA.
18
What It Means
Power on. High Power Wall
Connector is powered, but
not charging.
Ground fault. Electrical
current is leaking through a
potentially unsafe path.
The High Power Wall
Connector did not pass its
internal self check.
Contactor failed.
Ground lost.
The High Power Wall
Connector requires servicing.
HIGH POWER WALL CONNECTOR INSTALLATION GUIDE
What To Do
Make sure the High Power Wall
Connector is plugged into the car.
This should automatically reset in 15
minutes. If not, make sure nobody is
touching the car, then press the RESET
button.
Unplug the High Power Wall Connector
from the car and press the RESET
button. Plug the High Power Wall
Connector back into the car. If the error
persists, unplug the High Power Wall
Connector from the car, power off the
High Power Wall Connector, then power
it back on again before plugging it back
into the car.
Unplug the High Power Wall Connector
from the car and wait 10 seconds. If the
error persists, contact Tesla.
Make sure the power outlet is properly
grounded. Make sure the hot and
neutral pins are wired properly. If
uncertain, ask your electrician.
Contact Tesla.