Shutdown tylan1 SNF 2008-06-07 01:38:54: I/O error

Li-Wen Chang lwchang at
Mon Jun 9 14:51:40 PDT 2008

Will tylan1 be up today?
I need to reserve other tubes if it won't be up today.


On Sat, Jun 7, 2008 at 11:32 AM, John Shott <shott at> wrote:

> Ray and Ted:
> I was able to get things reset enough so that I could manually unload
> Li-Wen's wafers.  So they have been removed and the boat is back in the
> tube.  However, I have not been able to figure out how to get the TCU I/O
> error to do away when I do a DI ST 1 on the Tycom.
> Looking over the logs, it appears that over the last 4 months we've had
> repeated problems reported with TCU I/O errors and have replaced a bunch of
> boards and power supplies.  This leads me to think that we haven't yet
> identified the real problem
> Suggestions?
> John
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