Shutdown stsetch SNF 2006-07-01 01:13:42: comm error

eenriquez at eenriquez at
Wed Sep 20 10:09:52 PDT 2006

The root cause of the problem was a defective power supply which caused the load lock controller to periodically reset.  This bogged down the communication lines which resulted in the erratic behavior of the whole system.  In the process of troubleshooting, we have replaced the load lock controller, high vacuum controller, load lock motor and a power supply module.

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