1. The drain can not self-locking, there have been a small amount of water discharged at work, to begin the cycle time for several hours before being washed. 

2 dehydration have a great sound, and there is a great shock. (Previously) 

 

Analysis: 

 

Also has a variety of features, power, and other normal, so the first rule out electrical problems. Richard mechanical failure: check the drain valve normally open cabinet. After opening rotation will find there are a lot of impurities, clear it, fold to Drainage Department, found two one-dollar coin, removal, installation, operation, failure above all excluded. 

 

Summary: 

 

Such problems often occur, get to find out what the reason, I hope you have a little experience when need it. 

It seems a small problem can also cause a major disaster! ! !