Dublin and other parts of Ireland are losing channels due to an encryption changeover. However you should not be losing half your channels as of yet.
Do a factory reset and scan on the correct symbol rate from the direct feed. If you are using a splitter take it out for the initial scan. Should be no need for a deepscan.
A powerscan using 6887 as your SR and start at 290.00Mhz end at 420.00Mhz should be sufficient.