My guess is the drian pipe from the dish washer

is too low so the water back flowed from the disposal, you need raise the drain pipe, so the water will not back flow to the dish washer. It is a common problem and easy to fix.

所有跟帖： 

• 对，先试这个，把出水管规定高点。 -房崇- ♂ (0 bytes) () 08/24/2009 postreply 21:50:30