Train manufacturer intentionally bricks trains serviced by independent service providers
zaufanatrzeciastrona.pl
Polish train manufacturer that lost servicing tender programmed train controller to brick itself after train stays for some time in 6 ISP facilities or in 1 their faculity(for testing?) until undocumented button combination is pressed. Some controller versions brick itself after train is idle for 10 days. After news about this became public, manufacturer removed ability to unlock train by button combination.
Also manufacturer is able to remotely brick train over internet(connected via GSM) at any time.
Mod wanted ONLY article, so enjoy reading in polish.
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They would say: that was because you used the cheaper service instead of us and they botched the repair. It is only a problem for NEWAG because the world found out.
But also it bricks after just 10 days of idle in storage
As I understood 10 days of idle for old version and 10 days of idle in ISP facility for new.