Here is the DELETE version of the query posted above:

DROP TABLE IF EXISTS #seq;

CREATE TABLE #seq
(
  Primarykey INT NOT NULL PRIMARY KEY...

Could you try putting the Excel file onto one of the server's local drives and loading it from there? Just to rule out any possible network issues.

I agree...

Delete table
Where record <> 1
Looks like it would do it.

I can't see a single issue with what you are doing.
Have you tried setting breakpoints on the Foreach loop and the Output File tasks (select them and press F9)...

Can you also post a screen shot of the General page for the foreach loop container?

To assist others, here are in-line versions of those images: