Crash when i turn on the big fan

so im in the big fan chamber to turn on the fuel/oxygen for the rocket silo,and when i turn on the fan it takes a couple of seconds and i crash.

ataching the MDMP

hope you can help, thanks in advance

ps: great game
hl2_4104_crash_2012_9_15T10_12_22C0.mdmp (87.6 KB)

Exact same problem here.

This was happening to me as well. I found that if I cleared the fan from all debris before turning it on and then ran back up the ladder as fast as I could it would not crash.
Although… Now I’m stuck and have no idea where to go or what to do.

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