For more information on troubleshooting Mobile Connector status lights and charging issues, refer to the product's owner's
manual.
UMC_a019
Mobile Connector to adapter connection hot
Maximum charge rate reduced
What this alert means:
Charge current has been reduced because the Mobile Connector has detected a high temperature at the connection between
the wall plug adapter and the control box.
What to do:
Make sure the wall plug adapter is fully connected to the Mobile Connector control box.
After unplugging from the power source (wall outlet), inspect the wall plug adapter connection and the Mobile Connector
control box connection for any obstructions or moisture.
It is recommended that any debris / foreign objects be removed. Make sure any obstruction has been removed and any
moisture has been allowed to dry, then try re-inserting the wall plug adapter into the Mobile Connector and then connecting to
the power source (wall outlet).
Also make sure the wall plug adapter is not covered by anything, and that there is no heat source nearby. If the alert persists in
normal ambient temperatures (under 38°C), and occurs during multiple charging attempts, this may indicate a condition
affecting the Mobile Connector or your vehicle. It is recommended that you schedule service at your convenience.
You can also try charging your vehicle using a Tesla Supercharger or Destination Charging location, all of which can be located
through the map on your vehicle's touchscreen display. See Maps and Navigation on page 144 for more details.
For more information on troubleshooting Mobile Connector status lights and charging issues, refer to the product's owner's
manual.
UMC_A024
Mobile connector inadequately grounded
Connect to grounded outlet
What this alert means:
The Mobile Connector has detected an insufficient ground connection of the used electrical outlet. This does not indicate an
issue with your Mobile Connector or vehicle but rather likely points to an issue with the electrical installation the Mobile
Connector is connected to.
What to do:
Your electrician should ensure there is proper grounding at your circuit breaker or power distribution box and also ensure that
appropriate connections are made to the outlet used to connect the Mobile Connector.
You can also try charging your vehicle using a Tesla Supercharger or Destination Charging location, all of which can be located
through the map on your vehicle's touchscreen display. See
Getting Maximum Range on page 167 for more details. Additional
third-party charging stations may also be available in your area to help you to pinpoint the issue.
For more information on troubleshooting Mobile Connector status lights and charging issues, refer to the product's owner's
manual.
You can also use other charging methods / equipment, including a Tesla Supercharger or Destination Charging location, all of
which can be located through the map on your vehicle's touchscreen display. See Getting Maximum Range on page 167 for
more details. Additional third-party charging stations may also be available in your area.
For more information on troubleshooting Mobile Connector status lights and charging issues, refer to the product's owner's
manual.
Troubleshooting Alerts
266 MODEL Y Owner's Manual
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