Dish TV
Set Top Box not Working

I have purched Dish Tv last year but the set top box not working properly

i have show it dish customer center but nex day the problem is same. My complain is this hence it is in warranty period but they are charging me first time they have charge 165 but i did not give them next day the problem is same and they are not solving my problem i have written mail and also make call to him

If any suggition kindly help me

Thanks

Ranjeet Singh

Ph 09219189858

Vc. No. 01507969675