AUTOWATCH Alarm Help!

Hey guys have a bit of a problem with my alarm.

I arm it fine, through the remote, and within two seconds it goes off (siren sounds).

It has motion/shock sensors, but none of those have been touched..ever.
My little cousin was playing with the remote (well found him with it) not sure if he has somehow managed to change a setting.
Anyway, the alarm seems to be arming fine, central locking is all working fine but I no longer have the 'flashes' on the dash or on the turn signals when i press the button.

Alarm is an AUTOWATCH unit (the remote is a little two button, black remote with a blue LED)

Any ideas would be great, cant even lock the car now :(

Please excuse me if this is in wrong section, wasnt 100% sure where to post it

i've got the exact same problem where as soon as you arm it, few seconds later it will go off.
tried looking at the sensitivity switch but no success.

needing help also.

All sorted....

Was fuse under the dash.
Now to sort why the fuse blew....