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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.
Defect in
Water
Level
Detection
DWM30-999PG(영_SM).indd 41
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
• Display of "E9"
• Water level
surpasses the
preset level.
• Water supply
continues despite
the high water
level.
• Water level runs
below the preset
level.
• The reset level is
immeasurable.
• The water level is
wrongly measured.
Inspection of Defects
and Errors
Check the frequency
Exchange the
water level sensor
Check the frequency
Exchange the hose
Inspect any openings
Exchange the hose
Inspect with naked eyes Remove
impurities
Inspect the connection of
Re-insert
connector with naked eyes
Check the frequency
Exchange the
water level sensor
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
41
PCB Error
Resolution
Mode
"E2"
"E2"
"E2"
"E2"
"E9"
"E9"
"E9"
16. 8. 23. 오전 10:10
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