#3712 Aps Fault (Train Prep) to rectify. ~~~~~ #3712 Aps Fault (Train Prep) to rectify.     Swap BATK control panel to #2712 fault remain.Further check found #3712 battery sensor resistance sdden drop from 5.5kohm to 2.99kohm.Replace battery #3712 monitor no fault recure. #3712 battery c/o- Old: KSFC-2019-001 New: KSFB-2016-187 Not: 2438798 Done by Rizman/Sanip/Koh. 24/11/22