1688 Reported during train prep.having A ~~~~~ TIMS indicate FC408 APS fault and FC414 APS inverter overcurrent on car 1687 instead of 1688. Checked and found 1687 AC 1-2 compressor motor winding resistance unbalanced. Motor wire (U, V, W) removed, isolated and tagged.    Function check - ok No APS fault lighted N22412885 raised for CCU c/o N.A/khair/krishna/zaidi/29.08.22