4-3
• COMP.Resistance:MAIN→13.62Ω±7%
(when the ambient temperature is 22 °C)
SUB→20.57Ω±7%
(when the ambient temperature is 22 °C)
• PTCresistance:22Ω(whentheambienttemperatureis25°C)
Household supply
power malfunction
Check household supply power
Connector contact malfunction Connector check and malfunction
Check cold water connector
COMP Main/auxiliary wire wound
resistance0Ωor∞malfunction
COMP. Replacement
Is the socket power
voltage within
rated voltage?
COMP. Is the cable
contact normal?
Is the FND cold
water temperature display
lamp flashing?
COMP. Is the
resistance normal?
Cooling malfunction
COMP. (when less than low water
level) does not start
Room temperature water
replenished when less than low
water level
Is the display at
medium water level?
Is there anything
wrong with the cold
water connector?
Check cold water sensor measured
value and then replace if faulty
Cannot select cold water
Turn the cold water
selection switch ON
Is the cold water
selection switch in the
ON position?