Daewoo KUD-UD121DCR, Service Manual

Page: 47 / 72

45
Defect in
Water
Supply
Water supply not
carried out (IE)
Continuous water
supply (IE)
Immediate water
supply when power
is turned on
Water supply
continued when
power is turned off • Defect in water supply valve
• Defect in PCB • Water supply relay short
• Suspension of water supply
• Tap frozen
• Tap closed
• Hot & cold water hose switched for connection
• Low water pressure (0.2kgf/cm or less)
• Blocking of water supply valve filter by foreign substances
• Defect in cold & hot water valve
• Defect in connection of water supply terminal (not connected)
• Defect in pressure switch
• Defect in PCB
• Defect in water supply valve
• Leakage in air hose (air leakage from pressure switch hose)
• Air trip blocked, damaged
• Defect in pressure switch
• Defect in drainage valve: Continuous water supply
• Blocking by foreign substances in drainage bellows
• Defect in PCB
• Defect in water supply relay drive circuit
• Water supply relay open
• Water supply relay short