Tool Changer will not stop rotating

[pfrancis]

Thanks for the information. We have moved on to a different problem. The tool changer will not stop rotating after we jog it in manual. Is it possible that the ladder is not loaded? The rest of the machine seems to function ok. Does anyone know how to look at the ladder on a Fanuc Om control.
Model: Triac ATC
Serial # EO 3687
Serial # of Electronics 367


Fanuc O
type: AO2B-0083-B503
NO 16391 1987-05

[Martin]

It sounds like you may have a broken wire going to the atc sensor. Check that the diagnostic changes.

[Denford Admin]

The tool changer will not stop rotating after we jog it in manual. Is it possible that the ladder is not loaded?

The ladder must be running for the manual rotate to work, if it wasn't nothing would happen at all - the ladder controls the modes and LEDs on the operator panel as well as all the I/O

Not sure you could see the ladder on a Model A or B.
Think you could only see it on a Model C control if it had graphics hardware and possibly 900 option bits set correctly.
It was available from the DGNOS/PARAM windows IIRC

[pfrancis]

how can we down load the ladder to see how it is set for the tool changer. it appears that what our information is telling us and how it is actually programed don't agree.

[Martin]

Have you got the 450 diagnostics set correctly?

[pfrancis]

I am not sure what you are talking about.

[Martin]

viewtopic.php?f=47&t=975&hilit=450

Does the ATC sensor change in the diagnostics? I still think the most probable cause is a broken sensor wire which I have seen several times.