Daewoo KUD-UD121DCR, Service Manual

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3. Water Level Sensor
1) Spec. of Water Level Sensor
(kHz)
HEATER SAFETY
24.55
STEAM
24.736
RESET
25.2
LOW
23.2
MID
23.75
RINSE
23.18
ADD WATER
22.96
OVERFLOW
22.6
Symptoms Detailed Symptoms Cause Diagnosis Solution
PCB Error
Mode
2) Breakdown Analysis
O/F: Forced drainage is
necessary as water
level is high. When
this level is reached,
water supply must be
stopped and drainage
must be forcefully
administered.
RESET :
1. Spin-drying begins
30sec after drainage
level reset is reached.
2. Heater operation level
Low: Small load of laundry, therefore considered to be
water level of 'low'
Medium: Large load of laundry
Medium High: Water level for rinsing
Safety: Door open possible
Door opened only when water level is below
safety level
Continuous
water
supply
"E9"
Water valve normal
Occurrence in water level
sensor
30kHz or higher
Defect in pressure sensor
hose
Blocking of pressure sensor
hose
Connector loosened
Wiring short
Check for holes.
Visual checking
Visually check connector
connection status.
Wiring short ->
conduction test
Replace hose.
Remove foreign substances.
Administer re-insertion.
"E2"
"E2"
"E9"
"E9"