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Hello
I had a similar problem with randomly by acceleration and braking.
Error found in the three-phase power cables. Cable connection was poor.

The problem was solved!
The machine will not operate at all tool change MACRO program.
Tool only the PLC changes.

I found the original documents listing PMC-L parameters.
I did not realize...

Maximum number of tools is the next thing that I want to try.

Diagnostic between 400 and 523 are all 0, except that shown in Fig.

I am enclosing the pictures of all the pages that can be found...

Now, went to be difficult.
Machine does not have the soft keys.
(I also can not write '#' characters)
offset on the screen is just a tool dimensions and coordinates, nothing more.

Each tool has...

Same results.

The only user guide is in Finnish. It describes the tool (which is the spindle) renumbering:
Attention
the selected tool number remains the NC memory even when the power is turned...

Param 0040=01000001. meaning that 40.5=0
I am unable to see the parameter between 219-500

Some pictures.

I guess it to be Side Mounted Magazine with a Tool Change Arm. Tools are behind a door. one arm picks up one by one and bring it to the spindle.

The indicator flashes orange when call tool. I do...

Hello to all. I did it myself, I do not try to argue that a co-worker had done so.
I removed the memory, all the parameters and programs. (Motherboard had to be fixed, now the communication is...

I raise this up again.
new sn75189an is now changed, no effect. circled in Fig.
The alarm 086 will appear as soon as I press the input.
Pin 20 9.5V
Switching to the next neighboring ic?
I wish...

I have learned more about this. Thank you Al.
M75 connector is for something else, not RS232.
Tracing the port pins is challenging, I'll be happy to receive any information relating to...

yep. the printed circuit board also has M75 connector, next to the M5.
Connectors are probably identical except for the M5 female and M75 male.
I wonder if the same pin-out?
I am about to acquire...

Hello to all!
I have the same problem. Alarm 086
Fanuc OM-A.
M5 is only available
The problem does not seem to exiting itself.

The pin 6 is not "up" (that's what the alarm claims).
Which...

Are you still looking for drawings?
I made some years ago of my own.
Do I seek the drawing?