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I know its an older thread but Im having the same problem with the 1-OP error on the same board off a Frenic 5000M2 FMD-7AC-21A (sorry it looks like my apostrophe or quotes doesnt type)

Anybody on...

meckardt55 - I reached out to a "gwood". I hope that's the right person and I will contact the Haidenhain Corp.
Thank you for your input

Al_The_Man - I see the units that you have and I will contact you if there is a way I can use those. My machine uses one that is on mounted on the spindle itself and it's about 10" diameter with a...

Do they look anything like the one pictured?
Do you know what machine they came off of?

Absolutely,

Here is a pic of the spindle on the machine and a little history:

Warming up the machine in the morning and in about .5hr into it I got a 00431 error.
Shut down machine, wiggled...

Anybody???

Check your power supply. Make sure you're getting power to all the boards

Hi all,

First time writer, long time reader - Please be gentle
I got a 96 Avenger 250MT w/Acramatic 850SX. I've been getting the dreadful 00431;00430;00453 errors. Not in that sequence. I'm...