Alarm problems

[flying]

Hope somebody might be able to help in Italy at the moment but locked the car up earlier today (T350) all fine then a large thunder storm car will no longer unlock have got in through the back but if doors are shut again they just lock again appears that the fob is not being recognised have tried the spare still the same and no visible signs of any water ingress. Any pointers/suggestion's much appreciated

[flying]

Thanks for the pointers found to be water in the alarm ecu which is now drying (Big thanks to Mat Smith) have got the car started and in the end if I can still use it not a huge problem
just have to be little more careful were we leave it and then find out were its getting in when we get back home and hope for no more thunderstorms