S95 Transformer 2x defective in short distance

Hello Kaffefreunde,
I got a Jura S95 (about 15.000 covers) for free, which wasn't running, because the transformer behind the pump was defective. I replaced it with a used transformer and the machine ran without complaint for one day. Great joy! in the morning when the machine was switched on the following day, however, it only "clicked" and the brewing group did not move. Again the transformer was defective (secondary voltage = 0V). Now I got myself a brand-new transformer, installed it together with a self-made transformer cover against early water death and after another day of great coffee enjoyment have the same problem again: transformer broken! Can anyone help me?

First of all thanks!
cappu-lover

Fix the leaks on the heaters and you'll be fine.