I have noted one or two references to corrosion in the fuse-box which is situated under the dashboard on my 2012 Citigo SE. I had this problem over the weekend and found a horrible mess (forgot to take a photo) affecting several of the fuses. I was looking for the fuses for the headlamps as neither full beam nor dipped beam would work on either side, though the full beam operated when the headlamp flasher was used. I removed some of the worst affected fuses and cleaned them. Unfortunately, when I tried to start the engine it wouldn't work. The car was already booked in to be collected for its MOT today and the garage boss managed to get the engine started and the headlamps working. They cleaned up the fusebox whilst it was in dock.

Whilst I had my head under the dashboard yesterday I noticed some steel bars running across the width of the car. I saw that they showed traces of rust. When talking to the garage boss when he brought the car back he said that condensation from these bars can drip onto the fusebox, thus leading to the corrosion which I had found. I am clearly not the only one to have had this problem and it begs the question as to why Skoda did not fit some form of protection from drops of water falling on such a vulnerable item as the fusebox. 

I will be having a further look at this issue (once my back has recovered from yesterday's ordeal) to try to protect the fusebox from further problems of this nature. Has anyone else come up with the means of doing so, please?

It's not condensation. The usual causes of water ingress on these cars are blocked drain holes, or on some early cars, unsealed bulkheads.