FAN flow corrosion!!!
Unit after non qualification service of BENNING.
470k SMD open.
IPW60R045CP -2 (PFC) 752-8397; 
T20A, ZD18V, 51k MELF -2, 10k MELF.
Repairing the socket ISA -2.

Used the new silicone paste for PFC and output voltage side PS.

Wile test green and red LEDs flash shortly 10-20s
after this green stay on. Tested on real 230VAC after safe testing 
with isolated 230VAC input.