Heidenhain Mirroring/Rotation/Scaling not permitted alarm: Transformation not allowed in digitization
The TNC locks RANGE/MEANDER/CONTOUR cycles if mirror, rotation or scale is active.
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
- Heidenhain
- Machine
- Milling, Mill-turn
- Area
- Program
- Severity
- Stop
Symptoms
- Failure to start digitizing.
- MIRRORING/ROTATION/SCALING NOT PERMITTED message.
- Active transformation in the program.
Common causes
- MIRROR activo.
- ROT activo.
- Scale activo.
- Transformations were not cancelled before the cycle.
First safe checks
- 01Cancel transformations.
- 02Revisar modales activos.
- 03Simulate after canceling.
What not to do
- Do not run digitized with active transformation.
- Do not cancel without reviewing resulting coordinates.
When to call maintenance:
Normally requires no maintenance.
Reset/rearm:
Reset after canceling transformations.
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 Heidenhain Mirroring/Rotation/Scaling not permitted mean on Heidenhain?
The TNC locks RANGE/MEANDER/CONTOUR cycles if mirror, rotation or scale is active. It is an alarm from the Program area, and in the catalog it is listed as “Transformation not allowed in digitization”. On the machine you notice it like this: Failure to start digitizing, MIRRORING/ROTATION/SCALING NOT PERMITTED message, Active transformation in the program.
Why does alarm Heidenhain Mirroring/Rotation/Scaling not permitted come up?
On the shop floor it almost always comes from one of these causes: MIRROR activo, ROT activo, Scale activo, Transformations were not cancelled before the cycle. Rule out the most likely one on your machine first, before touching parameters or swapping anything.
How do you clear alarm Heidenhain Mirroring/Rotation/Scaling not permitted?
Reset after canceling transformations. Resetting without fixing the cause first only hides the problem: Heidenhain Mirroring/Rotation/Scaling not permitted trips again and, in the meantime, you keep working with the machine in bad shape.
What should I check first with alarm Heidenhain Mirroring/Rotation/Scaling not permitted?
With the machine stopped and in a safe state, start with these checks: Cancel transformations, Revisar modales activos, Simulate after canceling. 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 Heidenhain Mirroring/Rotation/Scaling not permitted?
With Heidenhain Mirroring/Rotation/Scaling not permitted active, avoid this: Do not run digitized with active transformation, Do not cancel without reviewing resulting coordinates. Skipping any of these points is what turns a minor stop into an expensive breakdown.
When do I have to call maintenance for alarm Heidenhain Mirroring/Rotation/Scaling not permitted?
Normally requires no maintenance. 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 Heidenhain Mirroring/Rotation/Scaling not permitted?
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.
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