axismd.ai
Heidenhain Controller
Tool · Intermediate · 30-120 minutes
HEIDENHAIN 280-07E0 - No grinding wheel
HEIDENHAIN alarm 280-07E0 occurs when the TNC control expects a grinding wheel tool type but the currently active tool is defined as a different tool type in the tool table. This typically happens during grinding cycles or dresser location operations that require a grinding wheel to be active.
280-07E0
HEIDENHAIN 280-07E0 - No grinding wheel
No grinding wheel
The current tool is not a grinding wheel. Grinding operations require a grinding wheel to be active.
Root Cause Summary
HEIDENHAIN alarm 280-07E0 occurs when the TNC control expects a grinding wheel tool type but the currently active tool is defined as a different tool type in the tool table. This typically happens during grinding cycles or dresser location operations that require a grinding wheel to be active.
Safety
- Refer to Heidenhain service manual
- Ensure qualified technician performs repairs
Causes and Fixes
- 1
Access tool table
Press PGM MGT key, select 'Tool table' from the file manager to open the tool.t file.
Use Ctrl+F to quickly search for the active tool number
- 2
Check tool type column
Locate the active tool row and check the 'TYPE' column. Verify it shows 'GRINDING_WHEEL' or the appropriate grinding wheel designation.
Do not modify tool table while machining program is running
- 3
Correct tool type
If incorrect, change the TYPE field to 'GRINDING_WHEEL' and press ENT to confirm the entry.
- 4
Reload tool table
Press PGM MGT, select tool table, and press 'Reload' or cycle power to ensure changes take effect.
Call a technician if:
- ·Tool table corruption persists after recreation
- ·Grinding cycles continue to fail after tool type correction
- ·TNC software shows signs of parameter memory corruption
Prevention
- Always verify tool types when setting up grinding operations
- Maintain consistent tool table naming conventions
- Regular backup of tool tables and cycle parameters
- Document grinding wheel and dresser tool numbers clearly
Common Mistakes
- Calling dresser tool instead of grinding wheel before cycle
- Using generic 'MILL' tool type for grinding wheels
- Forgetting to reload tool table after changes
- Mixing up tool numbers between grinding wheels and dressers
Seeing Multiple Alarms?
Seeing another alarm with this one? Enter the code.
Get machine-aware diagnosis
AxisMD logs alarms against your actual machines, tracks patterns, and gives AI context your manual doesn't have.
Start freeWas this guide helpful?
Always verify with your machine manual or a certified technician before performing service procedures.