BMAG interlock troubleshooting of Varian clinac Ⅸ linear accelerator / 中华放射肿瘤学杂志

Through the analysis of 3 maintenance of Bmag interlocking fault of Varian Clinac Ⅸ Linear Accelerator,it is found that the full wave rectifier diode breakdown in the bend magnet power supply,the improper setting of the bend magnet interlock,and the failure of the modulator CB3 air switch can cause the bmag interlocking.Through the replacement of accessories,adjustment parameters,etc.,so that the fault is resolved.