showeris isleaking smoke and smells of burning /brief spark?

the shower was smelling of smoke.smoke came out this morning .there was a spark and smell of burning afterwards.what do i do,cal lout electrician. Is it the shower that has to be replaced,obvoiusly i cant use it.There is no intructions or quarantee to be found. can it befixed or does the whole shower have to go.

maria kelly

07804 423 004