My footswitch 1 does not work.
Here’s a forum link to a user who reported a similar issue. Read the whole thread to get steps on what to do to fix your problem. Usually it boils down to using a regular TS (wrong one) patch cable instead of the TRS (right one) cable.
Have had the same problem… got tired of screwing with it and it’s in a box with a bunch of other crap pedals