DISHWASHER

PROBLEM TO BE SOLVED: To achieve an inexpensive and highly reliable dishwasher that can still be operated, even if a user operates the dishwasher incorrectly or correctly, according to the intention of the user for situations.SOLUTION: The dishwasher includes: a washing tank 2 provided freely slidable in a case 1 having an opening at the front, and for accommodating therein objects to be washed; a heater 6 for heating a washing water in the washing tub 2; a tableware rack for carrying objects to be washed; a washer 5 for jetting the washing water to the objects to be washed; a lock mechanism 13 for fixing the position of the washing tank 2; and an unlocking lever 14 provided at the front of the washing tub 2, and for releasing the lock by the locking mechanism 13. The dishwasher temporarily stops as the unlocking lever 14 releases the lock, and automatically resumes operation after a prescribed time passes in an unlocked state only when the operation is stopped temporarily by a lock releasing.