| 摘要 |
PROBLEM TO BE SOLVED: To prevent a thermal fuse from blowing in case a heater circuit is in failure. SOLUTION: A control means to perform the processes of washing, rinsing, drying etc., one after another is furnished with an abnormal temp. sensing means 38 to pass abnormality judgement in case the temp. value given by a temp. sensor 25 has exceeded the preset level. The abnormal temp. sensing means measures under the drying process, the time until the temp. value given by the temp. sensor makes a predetermined temp. rise from the preset temp. after a heater 4 is put off, and judges abnormality upon comparion of the measurement with the preset time.
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