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GCQQQ(7000C) failure

Question asked by dag on May 15, 2019

Dears,

 

 

The  QQQ- 7000C electronic cables were almost fully damaged by mouse and all are replaced. The high vacuum gauge is off while the turbo speed is 100% and fine, but the filament is not working and cannot tune. Please recommend me the probable causes.

 

 

 

Kind Regards,

Dagnachew 

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