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problem is solved,
I had changed option parameter 900.

Thanks for support

Dear All,

I have old fanuc O-T control machine.
M/c don't have MPG. But i need it.
so i puted MPG but its not working. may be some parameter need to high.
Again on screen it shows STEP mode...

memoryman is right.
You need to change only 901 option parameter.

there may be a problem with door interlock switch

I am also suffering from same problem, I am not able to see pitch error compensation parameter no. 1000-1127 &2000-2127.on fanuc O-T series
Plz any one can help me??

hi..
fanuc engg take the backup feed into other m/c, but its giving alarm reset written on display and control on m/c not happening. he connect rom flash card, then in progman he written M & read...

search on google u will find it very well..

SO1 servo alarm:pr 0020 X ----- means no signal detection 1, explaination-> all of phase signal from the motor end detector become "H" or "L".
this is from mitsubisi meldas 520

HI..
i have powermate system.as early i told about my system problem. now after loading parameter. system showing reset flag on. thats why, we are not able to change mode.it hang to MDI mode.
pls...

hi, RLMTS,
thanks for telling procedure.actually we call fanuc engineer.he did the same procedure. again he told that we can take backup by using flash rom card of 1mb. actually our card also...

Dear one,
i have a powermate model D.we were face problem of 911 sram parity alarm (4N+1).
So, we delete all the thing. n dicided to put all parameter once again . so we did this. after all this we...

we were facing problem of watchdog timer, i think alarm no 410. when we restart the system it went. but it again come after some time. how to resolve this problem.

Dear one,
i have a powermate model D.we were face problem of 911 sram parity alarm (4N+1).
So, we delete all the thing. n dicided to put all parameter once again . so we did this. after all this we...