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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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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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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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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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