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Re: maytag jet clean dishwasher model# dwc7400aaw
Normally when you have low water pressure and/or cleaning issues, this an indication of a clog in your main wash pump. You will need to remove the lower spray arm and the coarse screen to get to the main wash pump sump. Inspect the impeller area of the pump. This area is usually where accumulations of debris collect and keep the pump from pulling enough water. Things like orange seeds, lemon seeds, bottle cap liners, chicken bones, and jar labels are just a few of the items I have personally found. Although, dishwashers do a good job at removing most food particles, they are not garbage disposals. I bet you will find a clog in the sump somewhere. Let me know if this helps.
I've been having similar issues, and finally realized how to get the arm off (at least for my Maytag Jetclean EQ Plus). It doesn't look like you can turn it, but the "disk" in the center of the lower arm can actually be spun/unscrewed. Take that off and magically everything comes off!
My Maytag Jet Clen Model# dwu7400AAX SNA1238201KF inside front door was making a wierd buzzing type constant noise. When it stopped my dishwasher no longer would work. It is now completely dead?? I thought the buzz was coming from neighbors fire alarm or something. Do you have any idea what this could be?
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Hmmmmmmmm. If the water goes in and the pump starts yet there is no washing action I would suspect that you have an impeller failure. The impeller on Bosch dishwashers is a two piece unit and the plastic rivets slowly dissolve until he impeller fails in 2 pieces. The fix is a new impeller which is supplied with a new seal as well. I believe Bosch does this to avoid running so long without renewing the seal and having a leak. I can't think of any other reason to have a dishwasher soluble part for an impeller. It's a bit of a bit** to fix but there are good videos on utube.
1. The water jet passage that supplies water to the spinning portion is blocked or restricted with a piece of debris or food. I have had good luck cleaning the passages of these sprayers with tooth picks or long pipe cleaners from an art supply store.
2. The main pump that circulates the water for the dishwasher is degraded or not working effectively. This is a much more expensive fix but is repairable.
I would check to make sure that you can spin the top "spinner" by hand and that all openings are clear of any blockages.
You may have debris in the sprayer arm jets. It is usually simple to remove the sprayer arms. Then rinse them well using the sink sprayer for forceful water power. I have sometimes had to use a tweezer to remove bits of plastic, paper, bone, or food particles. Once you've remove the debris, rinse well forcing water through to dislodge any other debris. Once you've reattached the sprayer arms, you should have cleaner dishes. Also, some brands of dishwashers have a pipe that runs up the inside back wall and connects to a pipe that runs under the top shelf. Water flowing through this pipe under the top shelf propels the sprayer arms. If the connection at the back is not flush with the "propel" pipe there won't be enough water pressure to turn the sprayer arm. Check to see if your dishwasher has this type of set up. I hope this works. If it does, please let Fixya know by rating my solution. Good luck!
I had the same problem and fixed it by disassembling the lower spray arm and return filter, and cleaning all the junk out.
Most dishwashers have 'risers' that bring the water up to the top
sprayer or arm located under the top rack. If the recirculating pump
is plugged even a little there won't be enough volume or pressure to
get the water up there.
Test this by putting a dry muffin pan in the top rack, flat, and
running the dishwasher for a bit. If there is no water on the top (or
the bottom) either the top sprayer or the sprayer arm underneath the
top rack is not getting enough volume.
To fix this you need to clean out the screen and filter, where the
water returns to be recirculated. If you don't have any confidence to
remove the parts and clean it out yourself, get an appliance repair
person to do the job.
Clean the filter at the bottom of the tub. If it is dirty or clogged the water pressure may not be strong enough to spin the top arm. Make sure also the there is nothing blocking the holes of the spinner arm. If the filter and arm are clear then the pump may be failing.
The sprayers are not powered but rely on the water pressure to spin them. If it's not spinning it could be
the spinner isn't engaging in the top rack as you slide it in
blocked jets on the spray arm
blocked feedpipe to the spray arm
Most dishwashers are fairly easy to dismantle to check the first few
Check to see if the spinner holes are clogged with food..or
debris...this is what makes the sprayer arms move....water
pressure...which is pumped up through the sprayer arms .......I s the
pump working...if so....then you may also have some blockage at the
base of the pump where the screen is that keeps impurities out of the
pump....check to see that food or debris is not obstructing this.
I hope this help....have a good day and good luck...please rate my effort...the Fang
Check to see in you have enough water in tank. The dishwasher fills then recirculates this water under pressure. If you have water in tank, listen to see if motor is running or not. If it is, you may have clogged jet holes in the wash arms.