Error Codes
All red blink codes pause for one second, and then repeat.
Light Bar
What It Means
Details
No Lights
Power supply issue,
charging disabled
Verify that the power supply is turned on. If the issue persists,
have an electrician remove the Wall Connector from the wirebox
and confirm that voltage is present at the terminal block using a
multimeter. Record measurements at terminals of wirebox.
Solid yellow
Wall Connector is ready
to be commissioned
See
to commission the
Wall Connector.
Solid red
Internal error, charging
disabled
Turn the circuit breaker off, wait 5 seconds, and turn it back on. If
solid red light remains, document part number and serial number,
then contact Tesla Energy.
One (1) red
blink
Earth fault circuit
interruption due to
unsafe current path,
charging disabled
Inspect the handle, cable, Wall Connector, and vehicle charge
port for damage or signs of water ingress. Contact Tesla Energy if
power supply has been checked and confirmed as okay by an
electrician.
Two (2) red
blinks
Earth assurance fault,
high earth resistance
detected, charging
disabled
Verify that the Wall Connector is properly connected to earth.
The earth connection must be bonded in the upstream power
supply for proper operation. Check all physical connections,
including the wirebox terminals, electrical panel(s), and junction
boxes. If connected to a transformer, contact the transformer's
manufacturer for direction on how to bond the earth connection.
If charging on a IT or TT grid, check ground monitor settings.
Three (3) red
blinks
High temperature
detected; charging
limited or disabled
Verify that Wall Connector is connected to Wi-Fi and updated
with the latest available firmware for optimal temperature
sensing functionality. Check the faceplate and cable handle for
excessive warmth. Have an electrician remove the Wall Connector
from the wirebox and verify that the conductors used are sized
correctly and that the terminal block is torqued to specification.
Four (4) red
blinks
Internet connection lost,
online features disabled
Check for objects that could interfere with the area's Wi-Fi signal
strength. Confirm that the local Wi-Fi router is operational. If the
Wi-Fi password was changed recently, follow the commissioning
process on your mobile device to update the Wi-Fi settings.
Five (5) red
blinks
Power-sharing
communication issue,
charging reduced
Check for objects that could interfere with the area's Wi-Fi signal
strength. Follow the commissioning process on your mobile
device to re-link the Wall Connectors for power-sharing.
Six (6) red
blinks
Overvoltage or poor grid
quality detected,
charging disabled
Connect to Wall Connector with commissioning process to view
live voltage info. If the issue persists, have an electrician remove
the Wall Connector from the wirebox and confirm that voltage
readings are as expected at the terminal block using a
multimeter. Record voltage readings at terminals.
Seven (7)
red blinks
Vehicle overcurrent
detected
Reduce the vehicle's charge current setting. If the issue persists
and the attached vehicle is manufactured by Tesla, record the
vehicle's VIN and approximate time of the fault and contact Tesla.
If the vehicle is not manufactured by Tesla, contact the vehicle's
manufacturer.
WALL CONNECTOR LEDS
30
Gen 3 Wall Connector Manual
Summary of Contents for Gen 3
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