3611 B/S door unable to close. To rectif ~~~~~ 3611 B/S door unable to close. To rectify.  3611 B/S door able to open and close normally. No fault found. Checked ZVAR-1 contact 2104 - 21 resistance found to be at 13-15ohms. C/o ZVAR-1. Checked DORB1, DORB2, DCRA-1, DCRA-2, DCRA-3 - Satis. Preventively c/o DORB1, DORB2, DCRA-1, DCRA-2 and DCRA-3. Performed door cyclic test 20x - satis Performed door static test - satis Performed preparation check for doors - all ok. To be further monitored on mainline. Check ER all door open/close command able to come in at fault reported time. Done by: Ashwin. 24/01/2024.