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Heidenhain Controller
Parameter · Intermediate · 30-120 minutes
HEIDENHAIN 230-04C6 - Brake: MP_connection must not be configured
Alarm 230-04C6 occurs when the machine parameter CfgBrake/connection is configured for a brake system that is not supported by the current TNC hardware configuration. This typically happens when brake parameters are set for axes that don't have brake hardware installed or when the drive system doesn't support the configured brake connection type.
HEIDENHAIN 230-04C6 - Brake: MP_connection must not be configured
Brake: MP_connection must not be configured
The CfgBrake/connection parameter is not supported by the current machine configuration.
Root Cause Summary
Alarm 230-04C6 occurs when the machine parameter CfgBrake/connection is configured for a brake system that is not supported by the current TNC hardware configuration. This typically happens when brake parameters are set for axes that don't have brake hardware installed or when the drive system doesn't support the configured brake connection type.
Safety
Causes and Fixes
Access machine parameter menu
Navigate to MOD > Machine Parameters > CfgAxes to view axis configuration parameters.
Use the search function (CTRL+F) to quickly locate brake-related parameters
Check brake configuration
Locate CfgBrake/connection parameter for the affected axis and verify if brake hardware is actually installed on this axis.
Do not modify parameters without proper documentation of original values
Disable brake parameter
If no brake hardware exists, set CfgBrake/connection to 'not configured' or delete the parameter entry entirely.
Check the machine documentation to confirm which axes should have brake systems
Restart control system
Perform a complete TNC restart to reload machine parameters and clear the alarm condition.
Call a technician if:
Prevention
Common Mistakes
Related Alarms
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