Hello there, Today as I was driving the ChS4 KVR locomotive on the Kiev-Shevchenko route, I had an unfamiliar problem: an indicator light which showed "земля", which I believe it means earthing. The locomotive still went normally until I had to switch it off when passing н/в. As I switched the main power on and raised the pantograph up again, the ammeter jumped so high that the pantograph burnt off, and the Block 851 system came on. I resetted the 851 and tried using the front pantograph but no luck, as the ammeter readings showed high numbers again. Afterwards, the main power cut off, and I was unable to start the locomotive again. May I know what the problem was and how I should fix it? Thank you very much for your help! Alex