axismd.ai
Siemens SINUMERIK Controller
PLC · Intermediate · 30-120 minutes
Siemens 20160 - Tool management: PLC can terminate only incorrectly aborted
Indication that the PLC wanted to interrupt an active command from the tool management (tool change); or that there is no command active for cancel. NCK refuses because the channel status is either 'active' (cancel is then not allowed), or 'reset' (then there is nothing to cancel) Control reaction: Interface signals are set. Alarm display.
20160
Siemens 20160 - Tool management: PLC can terminate only incorrectly aborted
Tool management: PLC can terminate only incorrectly aborted
Indication that the PLC wanted to interrupt an active command from the tool management (tool change); or that there is no command active for cancel. NCK refuses because the channel status is either 'active' (cancel is then not allowed), or 'reset' (then there is nothing to cancel) Control reaction: Interface signals are set. Alarm display.
Safety
- Only qualified personnel should diagnose and clear control alarms; follow the machine builder's safety procedures and lockout/tagout where hardware work is required.
Common Causes
- Indication that the PLC wanted to interrupt an active command from the tool management (tool change); or that there is no command active for cancel.
- NCK refuses because the channel status is either 'active' (cancel is then not allowed), or 'reset' (then there is nothing to cancel)
Troubleshooting Steps
- 1For information only.
- 2Clear alarm with the Delete key or NC START
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.