They feel pretty solidGive those connections a good wiggle and see if you can get any movement. If those are all solid, probably a bad switch.
That's usually caused by a bit too much heat applied to the foot switch. It normally happens when I use a 3PDT daughter board. Some cheaper footswitches are more sensitive to heat than others. The red ones from Tayda with the soft click have been the worst for me. But yah, if you tap and jiggle the foot switch and it fixes the issue then its a bad foot switch.They feel pretty solid