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Step 7: If you were able to clear the error and the foreline pressure has pumped down to under 1 Torr, then you can restart the turbopump and open the foreline valve as described in Restarting DPS pumps.
If the pump will not restart, then it likely has a radiation damaged internal component. Repair instructions are located here: Instructions for fixing radiation damaged Ebara EV-S100P roughing pumps
Resetting a turbopump fault
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