Power fault arriving @ Rear M2, Unable to clear at BGB, attempted 2x times at BBT at NB and SB to noavail. ~~~~~ DLP ended on 20 AUG 2019.     Shown fault code 820, 821, 827. Checked #1701/#2701 Pre-charging resistor checked ok. Found #2702 x2 resistor, #1702 x1 resistor having burn mark. Measured faulty. Replaced both cars resistor. Depot limited movement done several times-ok. Also check all M-cars line breaker ok. Done by Saini/Aruddin/Gopal. 21/01/20.