203 alarm system

[king 403]

hi, guys could any one tell me if you had this proble, when the car is locked with remote it will start flashing after 5mints and the interior light comes on with some fan noise coming from the interior light,win star is not showing any faults and all doors are closed. any syggestion? thanks

[OneUK]

it sounds like a bad battery or a bad cell in your battery... I had a battery once with a bad cell and when alarmed it would do all sorts of strange things.