Dwf-750'S, 800'S; Main Function Of Pcb - Daewoo DW-3000 Series Training Manual

4. Main Function of PCB

Function DWF-100M's,100C's,1098's
Load Sensing The washer check the amount of clothes to correspond with proper water level in order to save water and detergent
and environment before starting washing with dry-clothes condition.
Priciple : please refer to attached report.
Details
Right : 0.3 sec ON / 0.6 sec OFF, Left : 0.3 sec ON / 0.6 sec OFF. It's 1 cycle, 4 cycles repeat, total time is 7.2 sec.
Balance Control The washer do some special action at the end of washing and rinse process in order to prevent entanglement of clothes
by turning of Pulsator right and left ,by short intervals.
Details
Right : 0.3 sec ON / 0.3 sec OFF, Left : 0.3 sec ON / 0.3 sec OFF, repeat during 35 sec.
Balance Spin The washer control the spin mode in the beginning of Spin process in order to prevent Motor damage and not to cause
the serious niose and vibration by rotating of Spin Tub intermittently.
Details
Normal course
6 sec ON / 3 sec OFF x 1 cycle
4 sec ON / 3 sec OFF x 7 cycles
Delicate course
4 sec ON / 5 sec OFF x 1 cycle
2 sec ON / 5 sec OFF x 3 cycles
Load Sensing If the PCB can not count the power pulse even though after passing Load Sensing step, 'E8" message will be displayed
Error "E8" on the LED of PCB during 1 second and then the process keep going on with High water level.
In this case, check the Motor and Condensor and PCB condition.
DWF-900's, 160's, 170's, 174W's
Normal course
4 sec ON / 3 sec OFF x 2 cycle
2 sec ON / 3 sec OFF x 6 cycles
Delicate course
4 sec ON / 5 sec OFF x 1 cycle
2 sec ON / 5 sec OFF x 3 cycles
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DWF-750's, 800's

Normal course
7/3 →5/4→4/4→4/4
Delicate course
3/2 →4/3→4/3→4/3