faulty batch lnb

hoping for a final solution, i replaced my smart lnb 2 times cause my explora is not working in winter at nyt,it distorts till the next sunrise,i have spent 2000 plus on this calling the installers and all,finally 3rd installer told me there are a batch of faulty smart lnb's on the market that are affected by winter Moisture he can't help,after facebook n direct e mails to multichoice all they say is reboot n unplug take it to testing, it works at testing and at home at 100& quality but distorts at night, i cant keep spending so much i need services from u now,1747 mokwena street Moletsane soweto, current number ********** 211 id ********** 547082 daniel mafa