No brake line test was conducted %1

Hva betyr 231-F200 ?

This error indicates that the Machine Control (MC) unit of the Heidenhain TNC CNC Controller failed to perform a required test of the motor brake line, as mandated by parameter settings. The test might also exceed its maximum allowed duration of 10 seconds. This suggests a potential issue in the electrical circuit controlling the brake, compromising safety by not verifying the integrity and responsiveness of the brake line.

• Incorrect parameter settings requiring a brake line test, where the conditions for its execution are not met or are misinterpreted.
• An issue with the wiring of the motor brake line, such as an open circuit, short circuit, or excessively high resistance.
• A problem with the brake line control output from the drive or safety module, preventing proper signal transmission.
• The brake line test sequence taking longer than the allowed 10 seconds, indicating an electrical fault or a delay in the control signal.

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1. 1

   Verify the controller parameters related to motor brake line testing to confirm that the test is required and that its configuration is correct.

2. 2

   Perform a thorough inspection of the motor brake line wiring, checking for continuity, insulation integrity, and proper termination at all connection points.

3. 3

   Measure the voltage and current on the brake line during test activation to ensure correct electrical signals are present and that the line responds as expected.

4. 4

   Monitor the duration of the brake line test; if it consistently exceeds 10 seconds, investigate for resistance issues, cable damage, or control signal delays.

5. 5

   If wiring and external components are verified as functional, contact a Heidenhain service agency for diagnostics on the MC unit or the associated safety output module.