Drum type washing machine and controlling method thereof

A controlling method of a drum type washing machine, comprising:

• performing washing and rinsing operations in accordance with a start command inputted by a user and a procedure selected by the user;
• performing a laundry quantity measurement operation and an eccentricity measurement operation;
• and
• controlling a preliminary spin drying operation to be selectively performed based on the measured laundry quantity and the measured eccentricity.

A controlling method of a drum type washing machine, comprising:

• performing washing and rinsing operations based on an inputted condition;
• proceeding to a spin drying process right after the rinsing operation, and simultaneously performing a laundry quantity measurement operation;
• performing an eccentricity measurement operation based on the measured laundry quantity;
• if the measured laundry quantity is smaller than a reference quantity value and the measure eccentricity is smaller than a reference eccentricity value, performing a main spin drying operation without performing a preliminary spin drying operation;
• and
• terminating the spin drying process after the main spin drying operation.