[Resolved]  Voltas 2 Ton AC Split — stale bad smell when the temerature is set to 24

this is manoj from bangalore i have purchesed an tata volts as 2.00 ton split .the problem is when the temperature is set above 23 the stale bad smell is been flowing in and it is unbareable to sit in the office and i have complainted many times to the customer care but there is no use only they well come clean the ac and go no body is able to rectify it. i am 100 % no satisfied about voltas product . so i want a solution for this problem