Fanuc Robodrill t10b problem. 16m controller 1016 MCC is welding error

[robodrill-1995]

Hello I am new in Fanuc controller
The machine has shut down during part machining.When the machine is switched on again, it works for a couple of minutes and then turns off again. When you turn on the third time when the door is closed, the machine started normally, when I closed the door, the error 1016 MCC is welding error
main contactor does not turn on. on the power supply and servo amplifiers is lit "not ready". I checked the main contactor and the limit switches of the door everything is working fine
Thanks in advance

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[mbservice]

have you checked incoming voltages ?