| 摘要 |
PROBLEM TO BE SOLVED: To correctly detect the cut off of water supply of a water supplying cassette by forcedly finishing a water supplying mode to stop a pump in the case of not reaching a prescribed water level within a prescribed time after starting the water supplying mode, and restarting the water supplying mode in the case of detecting the switching of a door from an opened state to a closed state. SOLUTION: When a power source is turned on, when pouring operation is executed at the temperature of hot water higher than a prescribed value or when the water supplying mode is started with the execution of hot water quantity preferential control in an inactive period, the pump 31 is started and the water supplying cassette supplies clean water for a water reserving tank 9. At this time, a time from the start of the pump 31 is timed by a timer 51 and when the tank 9 reaches a full water level X within five minutes, the pump 31 is stopped to stop water supply. When the tank 9 does not reach the full water level X in spite of the lapse of five minutes after the start of the pump 31, the pump 31 is stopped to forcedly finish the water supplying mode and to light a water supply cut-off lamp 60. |
