Heidenhain codes
AxisMD

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Heidenhain Controller

Servo/Axis · Intermediate · 30-120 minutes

Alarm 905-280D

Heidenhain 905-280D - Axis

Heidenhain TNC error 905-280D: Axis. This alarm indicates a fault or error condition on the Heidenhain TNC control that requires investigation. Refer to the Heidenhain NC error message documentation for the specific cause and remedy for this alarm code.

HeidenhainServo/AxisIntermediate30-120 minutes

905-280D

Heidenhain 905-280D - Axis

Axis

Heidenhain TNC error 905-280D: Axis. This alarm indicates a fault or error condition on the Heidenhain TNC control that requires investigation. Refer to the Heidenhain NC error message documentation for the specific cause and remedy for this alarm code.

Safety

  • Refer to Heidenhain service manual
  • Ensure qualified technician performs repairs

Common Causes

  • Machine configuration parameter error related to the alarm function
  • Hardware component failure on the TNC control or connected module
  • Part program command or sequence not compatible with current machine state
  • Communication or interface fault between TNC and machine components
  • Machine tool builder specific configuration issue

Troubleshooting Steps

  1. 1Note the complete alarm text displayed on the TNC screen including any parameter values.
  2. 2Check the Heidenhain NC error message manual for alarm 905-280D for the specific remedy.
  3. 3Power cycle the machine to clear transient faults.
  4. 4Check for related alarms active simultaneously that may indicate the root cause.
  5. 5Contact Heidenhain service or the machine tool builder if the alarm persists.

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