geeetech A10M not working

[bruse2020]

Hi
Have the Geeetech A10m. The power light is on but no screen or fan nothing. so i opened it up to find a fuse gone on the mother board. after changing fuse all lights fans everything began to work but as soon as i went to preheat pla it cut out every thing screen fan main board went after 5 seconds all came back. tried it again and the same thing happened everything went out then came back. only to try it a third time and i was back to the same thing only nothing working now just power light on the mains. Can any one help please....