Try DEA-DSSU:DI,PEN,1-2-3-4; (I can never remember if it is dashes or commas until I do it.
Then do ACT-DSSU:AUL,PEN,1-2-3-4;
Sometimes a PITA station will clear better if you turn it up/down by PEN instead of STNO. AUL doesn't just do an activate, it also does a reload on the station...