Okuma B2936/B2944 alarm: Absent program or comment without closure

Okuma OSP detects that the called program is missing or that a comment/block is not properly closed. It is an alarm from the Program area, and in the catalog it is listed as “Absent program or comment without closure”. On the machine you notice it like this: Can't find program, Fails when loading or reading, Error near comment.

On the shop floor it almost always comes from one of these causes: Incorrect program name, Subprogram not loaded, Unclosed comment, Transferencia incompleta. Rule out the most likely one on your machine first, before touching parameters or swapping anything.

Reset after loading/correcting program. Resetting without fixing the cause first only hides the problem: Okuma B2936/B2944 trips again and, in the meantime, you keep working with the machine in bad shape.

With the machine stopped and in a safe state, start with these checks: Verificar nombre/ruta, Search open comment, Retransfer program if truncated. That alone will tell you whether it is the program or whether you need to raise a maintenance job.

With Okuma B2936/B2944 active, avoid this: Do not bypass safety devices, Do not manipulate energized electrical cabinet, Do not continue producing if the alarm reappears. Skipping any of these points is what turns a minor stop into an expensive breakdown.

If files disappear or storage fails. If you are not sure how far it goes, stop the machine and report it: a repeat alarm always works out cheaper than a crash.

It is a stop alarm: the cycle will not continue until you fix the cause. It does not always mean serious damage, but it leaves the machine where it is and you have to check it before running again. Guidance reference. Always confirm the full text in the exact machine/control manual.