Hitachi FH130-3 really wierd problem can somebody help please.

Hello all a good friend of mine asked me to look at his Hitachi yesterday as it was a non starter. the power mode lights stay on when the ignitions of and if you remove fuse number 6 (5amp) the machine will start and you can then put it back in for the dash lights to work. if you turn the machine of the engine dies but power mode green leds stay on untill you pull the fuse and the big relay above the battery's kicks out and finally all power is off. if you then replace the fuse everything...

Hitachi FH130-3 really wierd problem can somebody help please.

Hitachi FH130-3 really wierd problem can somebody help please.