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Siemens SINUMERIK Controller
Program/G-code · Intermediate · 30-120 minutes
Siemens 4018 - Axis container , location not used by any channel
This alarm occurs when an axis container location is defined but not assigned to any channel, indicating a configuration or programming error. Fix by ensuring the container location is properly referenced or removed.
4018
Siemens 4018 - Axis container , location not used by any channel
Axis container, location not used by any channel
The container location is not referenced by any channel Control reaction: NC not ready. NC Start disable in this channel. Interface signals are set. Alarm display. NC Stop on alarm.
Root Cause Summary
This alarm occurs when an axis container location is defined but not assigned to any channel, indicating a configuration or programming error. Fix by ensuring the container location is properly referenced or removed.
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.
Causes and Fixes
- 1
Check alarm details
Note the container and location numbers (%1, %2) in the alarm message.
- 2
Verify channel assignment
Ensure the container location is assigned to a channel in the machine data or program.
- 3
Correct or remove
Update the configuration to reference the location or delete unused definitions, then reset the alarm.
Call a technician if:
- ·If the alarm persists after verifying configuration and program
- ·If machine data changes are restricted or unclear
Prevention
- Validate axis container assignments during setup
- Simulate programs to catch configuration mismatches
Common Mistakes
- Overlooking container location numbers in alarm
- Editing unrelated machine data entries
Seeing Multiple Alarms?
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