Re: [CAD_CAM_EDM_DRO] SOS....Siemens Sinumerik 850M

Normaly when you have a fault with the comm card, only one led is on (?) and
the message is "com cpu fault" on the operator screen.
Now i am no specialist, but from what i hear i think your eproms with all
the machine data on it is gone.(hope i'm wrong!).
Could also be the cooling fan on the bottom of the steering that is not
running, the videocard produces a lot of heat and needs to be cooled well.
I have some manuals in my compagny,i'll take a look at them when i get
there.(maybe i will find something more).

Regards Marc

----- Original Message -----
From: "Sven Peter" <peteryco@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Saturday, July 12, 2003 1:56 AM
Subject: [CAD_CAM_EDM_DRO] SOS....Siemens Sinumerik 850M


> Hello friends,
> You didn't hear from the prussian blue Prussian in Costa Rica for
> quite a while. But today I need your H...E...L...P...!!!!!
>
> Mike needs help from somebody who really knows about Siemens CNC
> controls. The advice from Siemens Mexico just helped him to make
> things worse.
>
> From Mike>
> I have a fault on a pair of 1986 or 1987 Siemens Sinumerik 850M.
> The four Led's on the operators panel are flashing at about 4 hz and
> I have no display. The control was before operating allright. But the
> display froze and the 4 led's started flashing. I replaced the
> COM/CPU board with another machine. Now I cannot get the both NC's to
> start.
> HELP
>
> We really appreciate any help.
> Best regards,
> Sven Peter and Mike Pennington
>
>
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