E48-32 No signal on some channels

we have been having error 48-32 some time ago and we somehow managed to fix that by ourselves, we switched cables and rebooted, we were using an HD decoder, now last night we switched to an explora and when we were on the line with the agent everything worked, all the channels we pay for were showing, all of a sudden after we put the phone down, i started going through my compact channels and realised that 161. 116, 194 and a few others arent showing, they give error 48, a brand new decoder (explora) that worked perfectly fine when the consultant was on the phone, tell me what should i do cause i tried fixing it myself and it doesnt work, mind you im gonna be paying more for the explora now and for what? channels that dont work? one minute it does and the next it doesnt, please send a signal or something to my decoder. im done phoning you guys. my account number is ********** 5