Cancelation of brake line test. Guard door open

Hva betyr 231-A021 ?

This error indicates the cancellation of a brake line test. The primary cause is that one or more guard doors were detected as open during either the brake control test or the brake line test, which is a safety interlock violation.

• Guard door(s) were open during the brake control test or brake line test.

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1. 1

   Ensure all guard doors are securely closed and properly latched before initiating and throughout the brake control test or brake line test.

2. 2

   Verify the correct operation of all guard door safety interlock switches and sensors.

3. 3

   Inspect the wiring of the guard door safety circuit for damage or loose connections.

4. 4

   Confirm that all safety circuit components, including interlocks, are functioning correctly and registering the closed state of the doors.