{"id":"ur-c263a41","model_id":"C263A41","name":"C263A41 Invalid Sample Rate High","summary":"Too many invalid samples are being read from the motor encoder. This points to a faulty encoder, bad connection, or EMC/ESD problem. The code includes a debt counter as an unsigned value.","study_notes":[],"safety_notes":[],"sources":[{"url":"https://www.universal-robots.com/manuals/EN/HTML/SW5_26/Content/prod-err-codes/topics/CODE_263.html","title":"C263 Motor Encoder","accessed":"2026-10-26"}],"verification":{"status":"source_checked","checked_at":"2026-10-26","values":4,"method":"llm_source_check"},"updated_at":"2026-10-26","type":"alarm","spec":{"code":"C263A41","controllers":["universal-robots-e-series-control-box"],"meaning":"The rate of invalid samples is too high; this can indicate a faulty motor encoder, a bad connection, or an EMC/ESD issue. The code reports a debt counter value.","remedy":"Perform a complete reboot sequence, check for possible electromagnetic noise or ESD sources, update the software, or contact your local Universal Robots service provider for assistance."},"url":"https://machineschema.com/alarm/ur-c263a41","license":"https://creativecommons.org/licenses/by/4.0/"}