A washing machine that is not draining could be caused by a clogged drain hose that you can fix yourself, but more serious ...
If the drain pump is already free of clogs, it's likely faulty. Washing machines require a motor to drive the belt that spins the drum. If the motor burns out, there's nothing to spin the drum.
Twist the pulley to unwind the fabric as you pull it out. Pro tip: If you don't see the clog in the pump or in the washing ...