drill turns on itself the minute i pulg it into mains???

[zip kart]

i have a bosch hammer drill and i have a problem
the minute i plug it into the mains i turns on itself
button isnt jamed
havnt a clue whats wrong?

 

[zip kart]

found problem
i opened up the drill and there was part of the button stuck so i put a drop of oil on it

 

[fowler]

Flammables and electricity don't mix

Silicon spray is what u want