Stops working and you spend hours (or days) trying to figure it out. A loco that won’t move, flickering lights, a mysterious short circuit, or a decoder that just won’t behave.
But then… you fix it. That “aha!” moment hits, and suddenly your layout’s alive again.
Let’s swap stories:
What was the most frustrating problem you’ve ever solved?
What tools, tests, or tricks helped you track it down?
Any weird fixes that surprised you?