Comment tylanbpsg SNF 2012-09-07 15:14:20: gatevalve interlock

seymour at seymour at
Fri Jan 11 13:14:48 PST 2013

The tube wasstarted and the alarm went off. I couldnt reset or ack alarm so aborted run. I turned off MFS460 and when I turned it back on I couldnt get controller out of manual. I put on white gear and found the door closed but the door flag no made. I adjusted flag.
I found the bottom row of the membrane switches not responding to pressure. I looked at drawing of membrane switched and determined the horizontal line to be bad. I plugged another front panel to CPU board and put controller in auto. User started run and all was ok. I will change the front panel on Monday

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