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Dear Ekaterina,


we've had more luck with our Yokogawa unit (and a very helpful Andor service
back in the Czech Republic).

The CSU-X1 is quite simple device (ours had had just a motor and a shutter) 
and it should be able to spin happily even without any computer control. So 
unless the Andor software is turning the motor off, the unit is probably 
faulty.

You may try and let the unit spin with the PC off (or you've already tried 
that)... It happened maybe twice that our unit failed to start, but it never
stopped unexpectedly.

Electrically (as far as I remember) the spinning unit accepts a control 
voltage that sets the motor current and sends back a bunch of pulses every 
revolution, the actual locked loop control is performed by one of the 
control boxes. So you may be able to hook up an oscilloscope to find out 
where the problem is (though it's definitely not easy, even if you have a 
detailed manual).

I hope it's just a loose cable or dying power supply :-).




Best, zdenek






---------- Původní zpráva ----------
Od: Ekaterina PAPUSHEVA <[log in to unmask]>
Komu: [log in to unmask]
Datum: 21. 4. 2015 7:58:33
Předmět: CSU-X1 stops spinning spontaneously

"*****
To join, leave or search the confocal microscopy listserv, go to:
http://lists.umn.edu/cgi-bin/wa?A0=confocalmicroscopy
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Dear all,

We have a 4-year old Yokogawa CSU-X1 spinning disc (integrated by Andor) 
which stops moving without a clear reason, several times a week. It is back 
to normal after we restart CSU. It seems independent from the software and 
the computer (WinXP) is set to never turn off the usb ports.
Andor is not very helpful about it, so I wonder, whether anyone experienced 
similar problems, and how did you solve them, if at all?

All best,
Ekaterina

___

Ekaterina Papusheva

Manager of Bioimaging Facility

Institute of Science and Technology Austria

Phone +43-(0)2243 9000-1043;
Mobile +43-(0)664 88509130
Fax +43-(0)2243 9000-2000

Am Campus 1

A-3400 Klosterneuburg

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