Okuma A101 alarm: Encoder or axis position error

Okuma OSP indicates encoder failure or invalid axis position (X/Y/Z depending on subcode). It is an alarm from the Encoder / measurement area, and in the catalog it is listed as “Encoder or axis position error”. On the machine you notice it like this: The axis does not home, Loses position during movement, Alarm when energizing.

On the shop floor it almost always comes from one of these causes: Encoder or cable, Conector flojo, Absolute battery dead, Atasco/choque previo. Rule out the most likely one on your machine first, before touching parameters or swapping anything.

Reset after repair and new reference. Resetting without fixing the cause first only hides the problem: Okuma A101 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: Identify the axis by its suffix (X/Y/Z), Anotar A101 completo, Check the connectors with the drive powered off. That alone will tell you whether it is the program or whether you need to raise a maintenance job.

With Okuma A101 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.

Siempre. 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 critical: there is a real risk of damage to the machine, the tool or a person. Leave the machine stopped, do not keep resetting it to see if it goes away, and call maintenance before producing again. Guidance reference. Always confirm the full text in the exact machine/control manual.