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avatar: VolodyaTX
VolodyaTX
2 posts
Replied to VolodyaTX's post on October 25th, 2018

Dear colleagues,

We have recently recieved a used TL-100 centrifuge. We did not notice that "white" ring (speed sensor) was not tighten up, so eventually it disassembled during rotor release. There are 3 connections (red, yellow and black) to the main board, would you please advice how to connect them ? - Vladimir

avatar: dpkleessr
dpkleessr
1116 posts
Replied to VolodyaTX's post on October 25th, 2018

Vladimir, It has been a very long time since I even saw a TL100 and I no longer have the service manual for it but from what I remember, going from left to right it was RED, GREEN, BLACK and it is easiest to use some long nose pliers to insert the pins into the little gold sockets. If thast is not the correct order then you will have to experiment as there is only a limited number of possibilities for 3 connections to be made. The bigger issue is with the spacing of the tach and imbalance pickup underneath the spindle. We always used a special company provided tool to set the spacing but I believe that it was somewhere around 0.050 under the spindle. You might have to try adjusting the pickoff's vertical position in order to get it to work properly. sorry but this is the best that I can do off of the top of my head.

Don

avatar: VolodyaTX
VolodyaTX
2 posts
Replied to VolodyaTX's post on November 2nd, 2018

Dear Don,

First of all, thank you for your kind reply! The connections are Red-Black-Yellow/Green. Actually, if one looks carefully, there are +/-/T marks on the board as well. 

This one also has problems with temperature sensor, sometimes the reading drops to -5.3 C which triggers this TEMP error. When you hit the machine from the left, it can actually help. That's why I was told it might be a connection problem. I checked connections when I re-assembled tachometer, but it seems the problem still persists. 

Vladimir