Ive just taken Helix back to PMT for a red vertical line developing on the Main Display just this week to the left of the main Screen. Is this going to be a common problem and can we have faith that this will not return Can a line 6 rep comment. Ive had the line 6 Helix for 9 months and have only just seen this problem develop so whats going wrong. This is an expensive piece of Equipment that should Last i would have hoped for many years. So my confidence after reading these comments of similar problems is not two high.