Back to CNC Alarms Guide

Mazak 315 alarm: Axis overload

The axle demands excessive load or encounters mechanical resistance.

For reference only: alarms change with the manufacturer, the control and the machine PLC. Check the full code in the official manual before doing anything. Legal notice.

Control
Mazak
Machine
Milling, Turning, Mill-turn
Area
Servo / ejes
Severity
Critical

Symptoms

  • Alarm when moving axis.
  • Can show up at low feed or near a particular area.

Common causes

  • Hard guide/spindle.
  • Insufficient lubrication.
  • Crash or chips.
  • Faulty servo/drive.

First safe checks

  1. 01Identify axis and position.
  2. 02Check lubrication and obstacles.
  3. 03Try a slow move only if it is safe.

What not to do

  • Do not keep forcing the axis.
  • Do not increase limits or parameters to produce.

When to call maintenance:

If it returns after cleaning/lubricating, or there is noise or stiffness.

Reset/rearm:

Reset after releasing axis and confirming absence of lock.

Confirm exact code in Mazak/Mazatrol manual.

Official documentation

Choose the manual matching your control series, software version and machine builder. A support portal is a starting point; it does not establish applicability to every model.

Frequently Asked Questions (FAQ)

What does alarm Mazak 315 mean on Mazak?

The axle demands excessive load or encounters mechanical resistance. It is an alarm from the Servo / ejes area, and in the catalog it is listed as “Axis overload”. On the machine you notice it like this: Alarm when moving axis, Can show up at low feed or near a particular area.

Why does alarm Mazak 315 come up?

On the shop floor it almost always comes from one of these causes: Hard guide/spindle, Insufficient lubrication, Crash or chips, Faulty servo/drive. Rule out the most likely one on your machine first, before touching parameters or swapping anything.

How do you clear alarm Mazak 315?

Reset after releasing axis and confirming absence of lock. Resetting without fixing the cause first only hides the problem: Mazak 315 trips again and, in the meantime, you keep working with the machine in bad shape.

What should I check first with alarm Mazak 315?

With the machine stopped and in a safe state, start with these checks: Identify axis and position, Check lubrication and obstacles, Try a slow move only if it is safe. That alone will tell you whether it is the program or whether you need to raise a maintenance job.

What should I NOT do with alarm Mazak 315?

With Mazak 315 active, avoid this: Do not keep forcing the axis, Do not increase limits or parameters to produce. Skipping any of these points is what turns a minor stop into an expensive breakdown.

When do I have to call maintenance for alarm Mazak 315?

If it returns after cleaning/lubricating, or there is noise or stiffness. 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.

How serious is alarm Mazak 315?

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. Confirm exact code in Mazak/Mazatrol manual.

More alarms for Mazak

See all alarms for this brand

Related tools