The DW will not drain, already checked all the hoses, coming from the DW to air thing and to disposal, no kinks no clogs, etc. Saw on another blog, that the motor or pump may have debris-something stuck in it. It also makes noises- like grinding noises - periodically. I removed the sprayer arm and cleaned the inside of that, found where there is some water in the bottom- is this the sump pump ?? - but could not figure out how to get to the motor or pump. Where is it, how do I access it in order to see if there is something in there ? Thanks for your help.

Fred.