I do not know what HE soap is; but we are using frontloader detergent from Aldi. Oversudsing is certainly not an issue.
The machine is perfectly level.
Being out of balance is not the problem either. (When the machine is out of balance, which happens rarely, the warning message appears.)
Today was the first time that the cycle got stuck at 6 min and did not progress at all. On earlier occasions it was simply slow. Moreover, it is an intermittent fault. Sometimes it washes in normal time, same program, similar load.
'Try unplugging the unit to reset the controls'
Please tell me more. How does one reset controls?