Airtel — error code-6

Address:

56, Amrutnagar, Behind lalbaugh, 362001

I recharged online rs. 2000 for my airtel digital tv before three days with customr id [protected]. I recharged through amazone benefitting rs. 30 pm and recharged as per old plan rs. 240 pm.
Message on tv screen appears error code 6 and channels are not coming, however my airtel app showing the balance of above rechage. I have already contacted customer care for 6 times since three days and no results found
Kindly resolve the problem of error 6 on my airtel dth customr id [protected] as soon possible