Daewoo DWF-4230 Series, Service Manual

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TEST MODE
The operation condition of the washer can be checked without water in the tub by test mode of the P.C.B ASS’Y as shown
below.
HOW TO OPERATE TEST MODE
1. Turn off the power.
2. Keep pressing two buttons (‘COURSE’ ‘PROCESS’) together and press the power switch.
3. Remove your fingers on the two buttons.
4. Press the ‘COURSE’ button according to desired check mode.
5. It is possible to stop operation temporarily by pressing ‘START/HOLD’ button.
NOTE :
• If pressing ‘PROCESS’ button within 10 seconds, the check mode changes to ‘B’, ‘C’ and ‘D’ mode.
• If ‘PROCESS’ button is not pressed, ‘A’ mode will run.
No. of times
to press Check
button Mode
‘Water Level’
0 A
1 B
2 C
3 D
DISPLAY Items
being checked
The condition of
normal operation
24 23
CONCERNING ERROR MESSAGE
MESSAGE
CAUSE SOLUTION
Improper installation of drain hose. Install drain hose properly.
The drain hose is blocked up by foreign matter. Remove foreign matter from drain hose.
Drain motor is inferior. Change drain motor.
The water tap is closed. Open the water tap.
The water inlet filter clogged. Clean the water inlet filter.
It passes over the 30 minutes, yet it doesn't come Check whether or not it comes to the
to assigned water level. assigned water level.
Wash loads get uneven during spin. Re-set wash loads evenly.
Poor installation of the unit. Install properly.
The door is opened. Close the door.
The safety switch is inferior. Change the safety switch.
Load sensing is inferior Change PCB ASS’Y and check
motor or running condenser.
The water level sensing is inferior. Check the water level sensor and the
contact parts of the connector.
9. PRESENTATION OF THE P.C.B ASS’Y
O
O O O ●
O O O ●
O O O ●
●
●
● ●
●
●
●
●
●
●
●
●
●
O
O
O O
O
O
●
O
O
O
●
O
O
O
O
O O
O
O
●
O
O
O ●
●
●
O
O
●
●
O
O
●
O
O
O ●
●
●
●
O ● ● O
O
● ●
O
O
● ●
O
●
O O ● ●
O O ● ●
O O ● ●
●
O ● ● ●
O ● ● ●
O ● ● ●
●
O O
●
O
O O ● O
O O ● O
O
O ● O O
O
●
O O
O ● O O
DRAINAGE
ERROR
INLET
ERROR
UNBALANCE
ERROR
DOOR
OPEN
ERROR
LOAD
SENSING
ERROR
WATER LEVEL
SENSING
ERROR
• Buzzer sound
indicating the end of
washing
• L.E.D lamp
• The condition of wash
process (Motor)
• The functional
condition of whole
operating
• Aging Mode for P.C.B.
ASS’Y
• The buzzer sound 8
times while the
indicator lights blinks
• The pulsator rotates
continuously without
water in the tub
• The washer repeates
following operating
Drain
➜
Spin
➜
Cold
Water
➜
Hot Water
➜
Pulsator rotate(right) ➜
Pulsator rotate(left) ➜
Pump
➜
Door check
➜
INITIAL STATE
• FUZZY COURSE runs
continously without
INITIAL STATE