How quickly are the errors clocking up?
It may be that EE has some congestion going on, on top of your errors over the ADSL link
In just 10 minutes (I reset the router)
Status
Configured Current
Line Status --- SHOWTIME
Link Type --- Interleaved Path
Operation Mode G992.5(ADSL2+) G992.5(ADSL2+)
Data Rate Information
Stream Type Actual Data Rate
Upstream 1224 (Kbps.)
Downstream 10772 (Kbps.)
Defect/Failure Indication
Operation Data Upstream Downstream
Noise Margin 6.1 dB 3.0 dB
Line Attenuation 21.1 dB 36.0 dB
Indicator Name Near End Indicator Far End Indicator
Output Power 12.8 dBm 0.0 dBm
Fast Path FEC Correction NA NA
Interleaved Path FEC Correction 910719 34
Fast Path CRC Error NA NA
Interleaved Path CRC Error 3032 18
Loss of Signal Defect 0 0
Fast Path HEC Error STR NA NA
Interleaved Path HEC Error 13979 61
Error Seconds 194 9