Необходимо проверить работал ли све

Необходимо проверить работал ли свет, закрываются ли двери автоматически, так как по показаниям свидетеля они не функционировали

Results (English) 1:

It is necessary to check whether the light worked, whether the doors are closed automatically because the witness testified they did not function

Results (English) 2:

It is necessary to check whether the light, closed the doors automatically as the witnesses are not functioning

Results (English) 3:

It is necessary to check whether or not he was light, close the door automatically, so as to the evidence of the witness they were not functioning