Whirlpool Cabrio Washer Won't Drain. The most common causes of a whirlpool cabrio washer not starting are: The drain pump is the most common problem when a whirlpool cabrio washer won’t drain. Find a repair manual or diagram of the internal workings of the washer on the whirlpool site. The power outlet and power cord may also have become. Remove the outer housing of the washer, and check the nut that holds the pulley in place. Whirlpool cabrio washer won’t drain. If the washer will not start, checking for a tripped circuit breaker or a blown fuse is the most common solution to the issue.