Linear Accelerator Forums

Added  Sep 1 2026
0 Replies

Good morning,

Does anyone have a service manual. We have one that requires a quarterly inspection by our Biomed team.

RE: Varian Medical Systems - Clinac iX
Updated  Dec 6 2025
1 Reply

is it secondhand and be sold out?

RE: Elekta - Precise Treatment System
1 Reply

My hospital is thinking of dropping full service contract on our 3 Varian linear accelerators and having one of imaging guys trained on them. Can you describe the work you perform, what's it like to work on them, how's your schedule when it comes to servicing them? and anything else I should know? None of us here are familiar with servicing them since they've been full service contract the whole time we had them, users called Varian themselves, so I would like to get some insight from some else's experience. 

Equipment: Varian Medical Systems - Clinac 21EX/23EX

RE: Varian Medical Systems - Clinac 21EX/23EX
Added  Mar 19 2021
0 Replies

Dear friend Our linear accelator varian truebeam system display INIT error when dosing process. How can I dissipate this error? Best Regards

RE: Varian Medical Systems - Truebeam
Updated  Nov 30 2020
1 Reply

How do i find beam from varian cardrack on the console energy cards

RE: Varian Medical Systems - Clinac 21EX/23EX
Added  May 8 2020
0 Replies

Hi, everyone! How can I find the current and the pulse repetition frequency (PRF) per operated energy of a Varian Trilogy? Kind regards!

RE: Varian Medical Systems - Trilogy
Added  Jan 17 2020
0 Replies

May I have the parts number catalogue?

RE: Varian Medical Systems - Truebeam
Added  Aug 25 2019
0 Replies

what makes the table rotate

RE: Varian Medical Systems - Truebeam
0 Replies

we have some problem on the pfn charghing systems. all pcb's were checked and are ok.is resistance of primary coil in the charging inductor about zero?

RE: Siemens - PRIMUS
0 Replies

Hi all,

Great forum.. I'm hoping to get a few errors resolved on this radiotherapy machine.  

When switching from 6MV to 10MV, I'm getting quite a few errors such as;

21 HI rate 1 22 HI Rate 2 45 Dose Rate 2 ( HW ) 13 Dose Rate 1 ( SW ) 58 Dose 1 Saturation   I'm also in need of a step by step guide for the peaking procedure.  Any help is greatly appreciated.   

RE: Siemens - PRIMUS

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