GUI progress arrow not working

So i followed a tutorial on how to make a progress arrow like the one in a furnace, but for some reason i can't figure out it doesn't work.

Here's procedure that determines the amount of time it takes to complete.

And the problem is that it only ever displays the first stage, never any other, the timer itself works, meaning the integer "arrowcounter" should be higher than zero, thus making the first stage false, yet it still displays.

Here's the condition for the second stage as well: