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Can't get CNC function to work, Deckel FP3NC with Dialog 3 control

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Hey guys,

My name is Charles and I am new to this forum. I love this website and all of the technical help that you guys answer, so thank you in advance!

Ok my project is a 1985 Deckel FP3NC with a Dialog 3 control. Click image for larger version. 

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ID:	142818So far I am very impressed with this machine, if not only for the manual machining value that it has. I managed to fit a 5 jaw chuck to it, which we use for drilling and small lathe type operations, and I am excited to see its full potential. Of course we will also use it for milling.

The MAIN problem that I am having is that I don't have an operators manual and I cannot find the right one anywhere. I have one for a Dialog 5 however there are differences that I have noticed, such as my Dialog 3 does not have a % button. Anyway, I cannot get the CNC function to work and I am not sure if I just don't know what sequence of buttons to push, or if it is broken. I have the function switch turned to position 11 and have entered a simple g code program to test it but I do not know how to initiate the program. What am I doing wrong???

To power it up I used a 20 hp rotary phase converter from American Rotary with circuitry that stabilizes power spikes. So far I am very pleased with it.

After I paid for this machine and went to pick it up I was disappointed to find the machine tipped over to its front side. Why they let a bunch of high school kids use a forklift to move my machine I will never know! The milling area containing box was bent, and the machine was resting on the vertical spindle. The plastic housing was busted, and I just found out that the spindle is slightly bent. Click image for larger version. 

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Also, in my quest to find batteries I found this switch all taped up inside. Does anybody have any idea what it is?Click image for larger version. 

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When jogging the x axis rapidly the machine will make a horrible chattering noise. Most times it will trip the machines safety stop. Any idea of how to remedy this?


I went about replacing all of the batteries like was done on this thread

1. Replaced the battery directly under the control with 6 1.2 Ni-CD batteries equaling 7.2V.

2. Replaced the battery that was soldered to a circuit board in the back of the control with 3 B cell Ni-MH batteries equaling 3.6V.

3. Replaced the battery on the circuit board in the electric cabinet with 3 B cell Ni-MH batteries equaling 3.6V.

4. I fired up the machine and all of the same problems were there. Manual works but no CNC. I can enter a program in mode 11 but I cannot get it to save or execute. When I go to mode 13 there are no programs that are saved. Modes 7 - 10 don't do anything at all. I let it sit with power for more than one hour to charge the batteries.

So upon a more complete inspection I found what seems to be a blown power board of some sort in the back of the electrical cabinet. Click image for larger version. 

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ID:	142821. Does anyone have any leads on a replacement circuit board? Also I tested the voltage of the batteries I have hooked up and all were fine expect the batteries in the back of the control cabinet, which produced 0.55. I let it charge again and got 0.79V, leading me to believe that it is slowly charging.
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