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2. Self-test of internal ground fault monitoring circuit
failed
3. Thermal sensor disconnected
4. Other hardware component issues
What to do:
An internal issue was detected by the Wall Connector.
1. Try charging again by disconnecting the Wall
Connector from the vehicle and reconnecting.
2.
If the issue persists, turn OFF the circuit breaker for
the Wall Connector, wait 10 seconds, and turn the
circuit breaker ON again. Then try reconnecting the
Wall Connector to the vehicle.
3.
If the issue persists, check for loose connections.
a. Make sure there is no power to the Wall
Connector.
b.
Remove the face plate and inspect the wiring
terminals for any loose connections.
c.
Contact an electrician if necessary to make sure all
wires are properly connected and torqued
according to the instructions in the Wall
Connector Installation Manual.
4.
Once all connections have been checked and made
secure, restore power to the Wall Connector and try
charging again by reconnecting to the vehicle.
5.
If the issue persists, the Wall Connector needs
service. Schedule a service appointment through
your Mobile App.
(CC_a005)
Unable to charge - Wall Connector
GFCI tripped
Disconnect and retry or use
dierent equipment
What this alert means:
Ground fault. Current is leaking through an unsafe path.
Possible Line to ground or Neutral to ground fault.
What to do:
Try again by disconnecting the Wall Connector from the
vehicle and reconnecting. If the problem persists, turn
OFF the circuit breaker servicing the Wall Connector,
wait 10 seconds, turn the circuit breaker ON again, then
try reconnecting the Wall Connector to the vehicle. If the
problem persists, contact Tesla.
(CC_a006)
Unable to charge – Wall Connector
overcurrent
Disconnect and retry or use
dierent equipment
What this alert means:
Over current protection.
What to do:
Reduce the vehicle's charge current setting. If the
problem persists and the attached vehicle is
manufactured by Tesla, contact Tesla. If the problem
persists and If the attached vehicle is not manufactured
by Tesla, contact the original manufacturer.
(CC_a007)
Unable to charge – Voltage too
high
Check voltage is within Wall
Connector rating
What this alert means:
Over or under voltage protection.
What to do:
Consult your electrician to ensure appropriate voltage
on the circuit breaker that services the Wall Connector.
(CC_a008)
Unable to charge – Voltage too low
Check voltage is within Wall
Connector rating
What this alert means:
Over or under voltage protection.
What to do:
Consult your electrician to ensure appropriate voltage
on the circuit breaker that services the Wall Connector.
(CC_a009)
Unable to charge – Input wired
incorrectly
Reconnect Wall Connector wiring
correctly
What this alert means:
Troubleshooting Alerts
209Consumer Information
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