york chiller ycas model dxs compressor high motor current its an emergency pls reply

[srinitkr]

hi friends i have one chiller york YCAS model screw compressor one time starting properly second time when starts star winding after did not changed to delta before alarm coming high motor current

[Brian_UK]

Check that the star/delta timer is operating correctly.

[srinitkr]

iam new this chiller that timer on board how i check

[srinitkr]

ptc sensor how working

[install monkey]

kill the 3 phase to the contactors to check the star delta operation- maybe a sticking contactor

[srinitkr]

u said correct dear board problem