Problem epi2 SNF 2008-02-04 07:26:38: wafer is stuck at LLA

eenriquez at eenriquez at
Mon Feb 4 08:45:44 PST 2008

LLA detected the wafer slid, system would not allow the slit valve to close.  Verified that no wafer was in the slit valve and closed the valve using the Dig I/O.  Vented the loadlock and found that wafer 1 was not flat aligned.  Flat aligned the wafer and left the user's wafers in the LL.

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