Hi All,
I also have a Tacx Vortex T2180 Turbo trainer, and like everyone else on this forum it stopped work without warning. On inspection the R64 (27ohm) resistor had blown.
1st try I replaced:
R64 27ohm
T5 Mosfet
R57 3.3 ohm
I then powered it up and it blew R64 again! :(
Looking closer at...