Siemens X300 No Power Up - Service Technicians Forum

Siemens X300 no power up

Tags: Ultrasound, SIEMENS/ACUSON

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Andrew Weydmann

Siemens X300 no power up

September 02, 2014 04:35

Hi,
I have problem with Siemens X300. When I press the power on button the machine briefly (like for 1-2 sec) power on and immediately shuts down.
On power supply I can see:
PWR ON - green;
OCP - yellow;
DC - yellow;
lights on.
Does it mean that power supply is bad?

Regards,

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Lenny Place

re: Siemens X300 no power up

September 03, 2014 09:01

the LED staus as you describe shows a overvoltage error. can you measure the supplies at the test points
Reference Number Title Test Point Value Tolerance
TP1 P2.5D +2.5V ± 5%
TP2 P5D_PC +5.1V ± 5%
TP3 P5.0D +5.0V ± 5%
TP4 P3.3D +3.3V ± 5%
TP5 M12D -12.0V ± 5%
TP6 P12D +12.0V ± 5%
TP7 P12D_PC +12.0V ± 5%
TP8 PSRTRXVO 0 ~ 18.0V ± 5%
TP9 M100HV -100.0V ± 5%
TP10 P100HV +100.0V ± 5%
TP11 M14AQ -14.2V ± 5%
TP12 P14AQ +14.2V ± 5%
TP13 M2AG -2.0V ± 5%
TP14 P5AQ +5.0V ± 5%
TP15 P3.3AQ +3.3V ± 5%
TP16 GND NA
TP17 P3.3A +3.3V ± 5%
TP20 P5.0V-STBY +5.2V ± 0.5V


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Andrew Weydmann

re: re: Siemens X300 no power up

September 03, 2014 12:54

Thanks for test point reference.

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Jefferson Oro

re: re: Siemens X300 no power up

November 19, 2019 04:55

Hello, I have the same problem. But at x150. When you turn it on, it turns off, getting the same lights as the source above. Could someone help me?How can I measure voltages with the power off?

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Lenny Place

re: re: re: Siemens X300 no power up

November 20, 2019 09:38

you cannot measure voltage with it off but you can remove boards to see if one of them is loading the supply down. what is you email address i can send you some info

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Jefferson Oro

re: re: re: re: Siemens X300 no power up

November 21, 2019 11:15

If I turn off the 48V power, it turns on and stays on, but does not generate the 12V.

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Anis Ben slimane

re: re: Siemens X300 no power up

December 23, 2019 10:23

Hi,
Please can you send me the acuson x700 service manual.
Thanks

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Jim Carr

re: Siemens X300 no power up

September 03, 2014 09:01

It could be the power supply, or the over current protection may be coming on because some board has failed and is pulling too much current. I would try measuring the resistance of each power supply bus at the test point on the power supply and then removing boards one at a time to see if the resistance changes more than expected for one of them.
TP1 is the +48V output
TP3 is the +12.0V output

We have X300 parts in stock, and people that work on them almost every day that can assist you.

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Andrew Weydmann

re: re: Siemens X300 no power up

September 03, 2014 12:54

Thank you for prompt response and excellent information about pinpointing the issue.

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Jefferson Oro

re: re: Siemens X300 no power up

November 29, 2019 01:58

these points Tp1 and tp3, which card are on? Is it in DC or AC / CC?

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Rey Gonzalez

re: Siemens X300 no power up

September 03, 2014 09:01

It means that the DC power supply is reporting Over current Fault.
rey@allultrasoundservices.com

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Marko Shevchuk

re: Siemens X300 no power up

September 03, 2014 09:02

Hi Andrzej, yes - DC power has overcurrent range over 150%!!! markoshv@mail.ru I sent you document.

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Andrew Weydmann

re: re: Siemens X300 no power up

September 03, 2014 12:54

Thank you,
I need to do more testing on this machine.

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Marko Shevchuk

re: re: re: Siemens X300 no power up

September 03, 2014 05:34

I sent you two documents, pls check and answer me.

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Yerzhan Konyspayev

re: re: re: re: Siemens X300 no power up

January 21, 2016 06:03

Hello Marko!
I have the same problem. Can you help me? Please you can email me konyspayev@gmail.com
Please!!! Thank you!

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Marko Shevchuk

re: re: re: re: re: Siemens X300 no power up

January 22, 2016 08:52

Hello Yerzhan, I sent you mail with doc.

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Vimal Prakash Tripathi

re: re: re: re: re: re: Siemens X300 no power up

May 15, 2019 10:16

Can you please send me a copy of the service manual. Thanks
Vimal

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edgar dauzon

re: re: re: re: re: re: Siemens X300 no power up

November 20, 2019 09:38

Hello Mr. Marko,
I have a problem with X300. When power on, the message "The system is shutting down automatically to prevent permanent damage. Please contact Siemens service" pops off.
Can you please guide me through it. Also service manual si highly appreciated.

Thank you.
Edgar

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weiming liu

re: re: re: re: Siemens X300 no power up

February 12, 2018 09:17

HELLO Marko,
Could you help send to me for those documents? Thank you! weiming.liu@venture.com.sg

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Yerzhan Konyspayev

re: re: re: Siemens X300 no power up

January 21, 2016 02:46

Hello Andrew!
I have the same problem with the Siemens X300. Can you help me please if you find a problem?

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Andrew Weydmann

re: re: re: re: Siemens X300 no power up

January 22, 2016 01:48

I've ended up replacing the internal ( left side ) dc/dc converter. Unfortunately more expensive part. Be careful about revision there is at least two different ones.
Hope it helps, regards

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Yerzhan Konyspayev

re: re: re: re: re: Siemens X300 no power up

January 24, 2016 04:16

Thank you Andrew Weydmann!
I'll try to find a faulty item.

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Kim Vicmudo

re: re: Siemens X300 no power up

August 16, 2017 10:23

Hello Marko... can you help me?.I am having the same problem now. Thank you! :)

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Gabriel Cool

re: re: re: Siemens X300 no power up

August 17, 2017 10:58

Hi. You need check Dc Dc power suply. +100 V is dosnt work

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Marko Shevchuk

re: re: re: Siemens X300 no power up

August 17, 2017 04:51

Hello Kim,
pls check your mail

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Keiber Vasquez

re: re: re: re: Siemens X300 no power up

July 27, 2018 09:43

Hi friend? Good afternoon... I have the same problem with the acusom x300. You can send information about equip?? This is my correo keiberarmando2@gmail.com . Thank you very much

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Jefferson Oro

re: re: Siemens X300 no power up

November 29, 2019 01:58

What are the points where I should measure this current? and this point is on the DC board?

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Jefferson Oro

re: Siemens X300 no power up

November 19, 2019 04:56

Hello, how are you? Got your problem resolved

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