How to unclog incoming hose down supply on a dishwasher? I have lots of sediment surrounded by my hot water --...

I have lots of sediment surrounded by my hot water -- I own removed most aerators on my faucets to improve hose down flow, but did not on the dishwasher and now hold almost zero wet flow in (this is not a drainage problem, but an incoming wet flow problem). GE Monogram -- GE repair wanted to charge $374...I said no thankfulness. Any help appreciated -- thank you! By the approach, my ice inventor on my Subzero does not work anymore as well...I'm assuming the problem is related...
Answers:    Most predictable they are related. Do not call businessman for help, beckon your local appliance person surrounded by your area ( much cheaper) For I/M catch a filter. If no place for a filter you can get an in-line filter which is external and duplicate price. Gotta change them regularly. If the Subzero is beneath warranty (they have a great warranty better than any other comp. i.e. US based) call them. You will obligation serial # off the refer. With Subzero, because they are US made you can kinda fudge at what you explain to them, like its is their problem and you may draw from free help. I work for an appliance service provider surrounded by AZ and I do all the e-filing for our Subzero and Whirlpool contracts. I could not believe your water is as impossible as here. If it is a major river prob. have river tested for impurities. Hope that help!! My comp. can always tender advice to you if you call for it, like phone #s etc.
Need to spinal column flush the unit.
Take the washer outside, flip it over, follow the supply hose to the electric shunt spout., remove the bracket and hose, clean it out, reassemble and reinstall.
If you own small hands and a raining vacc, you could do it inside, but since it is only 2 hoses and 2 screw that hold it in, why not remove it.