All doors proven closed but DIR remain lit. TC recycled train doors and HHPSDs twice but to no avail . TC opened and closed "A" side cab door to clear fault. ~~~~~ * ,N * 'From ER, DIR dropped without recovering even though saloon doors were cycled. DIR only recovered when cab opened and closed. Based on mainline report, all saloon and HHP doors all closed but DIR still lit. Clarified with TNM RSM, TNM1 location for TC HOTO train. TC cleared DIR by opening and closing A/side cab door. Checked cab door movement was smooth Checked cab door latch secured Checked all door roller movement and guide condition - satis Perform 10/20mm gauge test √ Passed. Door cyclic test 20x √ ok. Door open/close timing √ ok. Door manual force check √ ok. Check EMV for any residue voltage when door close √ ok. Clean up J-rail and guide rail. Function check door operation √ satis DONE BY:SANKAR/HUSIN 07.12.2023