EB trip due to obstacle detected while departing station. Reset EB and proceeded 1 tk cct in RMF mod e -ok. TC feedback no abnormalities. Rear train T221 did a l ine clear in to ORC NB platform and confirmed no abnormality ~~~~~ EB trip due to obstacle detected while d     #3567 fault code 740.Check wire 9152 and 9154 from fire control panel when shaking the obstacle detector wire found resistance fluctuate.Found #3567 A side obstacle detector wire loose.Re-cramp wire and conduct obstacle detector shake test,no fluctuate 9152 and 9154 output 24vdc    Checked by Zulq.  06/06/22