52
Defect in
Water
Level
Detection
E9
• Water supply greater than
the selected water level
• Continuous water supply
in high water level
• Water supply smaller than
the selected water level
• Reset level not detected
• Water level detection too
high or low
• Defect in pressure sensor
(damage in oscillation
condenser)
• Foreign substances in air
trip inlet
• Defect in PCB
• Foreign substance in air trip inlet
• Low frequency of pressure
sensor water level
• Defect in PCB
• Pressure sensor hose bent or
partially blocked
• Defect in pressure sensor
• Air leakage from pressure sensor
hose
• Defect in PCB
• Defect in water level
detection circuit
• Defect in pressure sensor
• Defect in PCB
• Defect in water level
detection circuit
