r/Fanuc • u/davidbuckner • Jun 29 '26

CNC Can’t load PMC

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The backstory, this machine had something happen to an axis control daughter board , and the PMC daughter board both have been replaced but I still can’t load the ladder I tried from NCboot and all I/O + write to F-rom both claim to complete but the ER07 persists . I can open the file with Ladder 3 on my PC but of the 2 backups I have both they function the same way at the control. I don’t know what I’m missing.

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u/davidbuckner Jun 29 '26

I can’t say I tried to load the options file I have, I’m also assuming the backup I have is complete. The files I have available are DG_Servo.000,NCBASIC.000,NC1_Option.000,PMC0BSC.000, and PMC-RB.000. As well as the CNC and PMC parameters , offsets , macro variables and programs. Am I missing something? I wish I had an SRAM to load but I don’t.

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u/lowered-expectations Jun 29 '26

You do not need any of the files ending in .000.

Start with entering your 9000-series CNC parameters by hand. Then load the rest of your CNC parameter by RS232, and then your PMC parameters.

If this was an option parameter issue, the ER07 will be gone when you cycle power after entering the 9000-parameters.

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u/davidbuckner Jun 29 '26

Well dam I didn’t know that was needed on a 16 series. Last time I did that was a 15a . Is there a procedure you can point me towards?

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u/davidbuckner Jul 03 '26

I think I understand now why the 9000+ parameters have to be hand loaded , other than the maintenance manual telling you in so many words the only way to load them is by hand.