7245 Starting Problems

Hi Zetor World
I have recently purchased a 7245. Had no issues, but now doesn't want to start. At first it tried, now nothing when pressing start button.
Have tested the starter with screw driver from Ignition wiring to the Positive power on solenoid but didn't crank.
Battery is charged
All connections on starter look good.

Your trouble shooting assistance would be great !

Thanks

Check connections battery terminals are tight and not cracked, the earth strap on the chassis are firm and not corroded. If there is a dead switch on it check that the current is passing through it otherwise just by-pass it. See if the key, button and all the fuses are good. Check your battery is big enough for the tractor add a second one see will it fire up.