Daewoo MINI Series Service Manual page 46

2) Defect Inspection
Defects
Details
and Errors
Incessant Water
water continues to
supply be supplied
although the
inlet valve is
functioning
well.
Occurrence The water level
of "E9" sensor
transmits the
frequency of
15KHz or lower
or 30KHz or
higher.
• Display of "E9"
• Water level
• Water supply
Defect in
Water
Level
Detection
• Water level runs
• The reset level is
• The water level is
Causes
Defect in the bellows
of water level sensor
Defect in pressure
sensor hoses
Blockages in pressure
sensor hoses
Disconnected
connector
Defect in water level
sensor
Disconnected wire
surpasses the
preset level.
continues despite
the high water
level.
below the preset
level.
immeasurable.
wrongly measured.
Inspection of Defects
and Errors
Check the frequency
Check the frequency
Inspect any openings
Inspect with naked eyes Remove
Inspect the connection of
connector with naked eyes
Check the frequency
Inspect the wire
connection -> Inspect
the circuit
• Defect in pressure sensor
• Defective PCB • Defect in water level detection circuit
• Bending or partial blockages of pressure sensor hose
• Defect in pressure sensor
• Air leaks in pressure sensor hose
• Defective PCB • Defect in water level detection circuit
• Impurities in air trip inlet
• Low frequency from pressure sensor
• Defective PCB
• Defect in pressure sensor (Defective oscillating condenser)
• Impurities in air trip inlet
• Defective PCB
45
PCB Error
Resolution
Mode
Exchange the "E2"
water level sensor
Exchange the hose "E2"
Exchange the hose "E2"
"E2"
impurities
Re-insert "E9"
Exchange the "E9"
water level sensor
"E9"