Samsung S621GWL2/YLW Service Manual page 10

5. Main function
8) Unbalance detecting & laundry balance positioning system
① Just before the hydrating process and just after reversal rotation for balancing laundry position, this function is
carried out
② The initial 6 sec is the period of reversal rotation for balancing laundry position , Drum rotates 50rpm for
initial 6 sec
③ Next 10 sec, the rotation increases the speed from 50 rpm to 90 rpm slowly
④ During the next 18 sec, drum rotates at the speed of 90 rpm, the sensor decides the degree of laundry
unbalance with TACHO data which is attached to motor
⑤ If the degree of unbalanced laundry is over 6 times to default value, laundry balancing system carryies out
feed back process 6 times
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