hitachi ac ki outdoor divice bauth awaz kar rahi hai

Location/place: Meerut

Name of company/service: Hitachi

sir,
maine 23-june-2013 ko hitachi ka split ac liya tha tabhi se uski outdoor divice bauth awaz kar rahi hai
maine kai baar hitachi coustmor care par complaint ki par koi check karne nahi aaya

please sir aap meri hele kare