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故障现象 :我院ＭＲ使用的是ＰＨＩＬＩＰＳＧＹＲＯＳＣＡＮＴ5场强 0 5Ｔ的超导磁共振仪。机器在使用过程中出现Ｈｅｌｉｕｍｏｖｅｒｐｒｅｓｓｕｒｅｉｎｓｕｆｆｉｃｉｅｎｔ机器不能正常扫描 ,重新启动或断电重新开机 ,机器均不能正常扫描工作。故障分析与维修 :经查阅
Symptoms: Our hospital MR is using a PHILIPSGYROSCANT5 field strength 0 5T superconducting magnetic resonance apparatus. During the use of the machine, Heliumoverpressuresufficient machine will not scan normally, restart or power off and restart, the machine can not scan normally. Failure Analysis and Maintenance : Checked