Patent ID: 7926138

Claim:
A leakage controlling method of a laundry treatment apparatus, comprising: detecting leakage of washing water by a leakage detecting device provided at a lower part of a casing of the laundry treatment apparatus, wherein when the leakage is detected, the method further comprising: draining washing water from a tub; interrupting an external electric power supplied to the laundry treatment apparatus; and supplying an auxiliary electric power to an informing device that informs an exterior of the leakage, the auxiliary electric power being recharged by an external electric power while the external electric power is on, wherein the detecting comprises: detecting a level of washing water in a water reservoir formed at the lower part of the casing with the leakage detecting device, draining the washing water in the water reservoir for a predetermined time period when the detected level of the washing water is equal to or higher than a predetermined level, and determining the leakage as a continuous leakage when the level of the washing water in the water reservoir is not lowered in response to the washing water in the water reservoir being drained and as a temporary leakage when the level of the washing water in the water reservoir is lowered in response to the washing water in the water reservoir being drained.