Updated fields: b4, d1, d4, d9, g3, g6, h2, h3, h4, h6(type of investigation, investigation findings, investigation conclusions), h10.A getinge field service engineer (fse) evaluated the unit, but was unable to reproduce the reported malfunction.The fse found that the helium tank was not fully secured to the unit with the locking knob.The fse then secured the helium tank.The fse performed all pressure and vacuum leak check steps for five minutes each.All pressures were maintaining.As a precaution, the fse replaced the crm assembly (0997-00-0986).The fse completed all functional and safety tests per manufacturer specifications.
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