There are different contactors in Electric cars. Every contactors has different function and can cause different types of alerts.
Fast Charge Contacors
Fast Charge Contacors connects High Voltage battery to charge port (CP) for DC charging.
connect DC charge port inlet to the high voltage battery.
It alloes DC power to the battery.
Where is located?
in Ancillary Bay.
Pack Contactors
Pack Contactors connect High Voltage to powertrain