Daewoo KUF-150Q, Service Manual

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1 Washer capacity check 1 sec 88 display: 15 15kg
2 L/S data check 1 sec 88 display: L1 to 8
Other LED: off
3 Functional option no. check 2 sec 88 display: option no. Refer to the
Other LED: off attached option table.
4 LED, buzzer check 8 sec 88 display and other LED LED on for
0.5 sec on/off buzzers sounds
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1) How to enter the initial test mode
1> While the washing and spin dry buttons are pressed, turn on the power to enter into option,
LED and Buzzer check mode.
2) The option, LED and buzzer test mode will proceed as follows.
3) Option no.: Depending on the insertion of option diode D20 to D23, Bit 7 to Bit 0 are set and a
binary number is converted into a hexadecimal. The option no. for each model is managed to
prevent wrong insertion of option diodes.
4) After the above check is finished, the power is off with the power off sounds.
5) Press the water level button to check the saved L/S value. The three data will be displayed in
turns.
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2. Convenient functions
ELECTRIC CIRCUIT