Found 3701 A3 door was unable to open. ~~~~~ Found 3701 A3 door was unable to open.     Check & confirmed door #3701-A3 was unable to open when door open command was given.When manually releasing door,door close command was able to close the door.Further check on DCP,satis n o abnormal voltage into DLD.Check and confirm when door open command was given,DLD solenoid did not energise.Replaced DLD,door function ok.Door cyclic test ,satis.Door timing ok.Door mating strip gap 63.25mm ok. Not: 2340099 Done by Arthur Sam. 13/12/21