UMC_a014: Wall plug adapter error - Charge rate reduced

Symptoms

["Unplug your Mobile Connector, including the wall plug adapter, completely from the wall outlet.", "Make sure the connection between the wall plug adapter and the main body of your Mobile Connector is secure by disconnecting and fully reinserting it.", "Try charging again by plugging the Mobile Connector, including wall plug adapter, fully into the wall outlet.", "If the alert persists, try using a different wall plug adapter.", "If needed, obtain another wall plug adapter or Mobile Connector. In the meantime, you can continue to charge with the same equipment at a reduced rate of 8A."]