Question about Dishwashers
Most common d/w power is 120 volts, check for 120 volts with a volt meter at the main power harness where it enters into the dishwasher, you will have to remove the lower access panels to get to the power box. Dishwashers also have at least one and most newer dishwashers have two door switches that must be checked. You will find then behind the console at the door latch area. Each manufacture has different designs but this is a picture of what some of the newer dishwasher switches look like.
after checking this .if the door switches are proper and you get 120 volts.as you mentioned you get 120 volt.so just check out door switches.
----------------if the door switches are ok.then other possibility is as follows:--
If a dishwasher sits unused for a period of time the seals in the motor and pump can get frozen together. Sometimes high minerals in the water also can stick the seals together and the motor cannot turn on,automatically,but runs when applied pressure manually. often the dishwasher will fill with water and just sit there "humming" and because the motor not starting at the regular time the error light comes on. Usually this is fairly easy to repair and get going again. Remove power and access panels....reach in with your hand and turn the cooling fan blade a turn to break it free, reinstall power and try the unit. If this "sticking" keeps reoccurring, the motor and pump assembly will probably need to be replaced.
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Posted on May 16, 2009
Cleaning Sprayer Arms
The sprayer arms seldom cause any trouble, but sometimes the spray holes in the arms become encrusted with detergent or minerals. When this happens, the holes must be cleaned out so that the arms will work efficiently. Remove the lower arm by twisting off the cap that holds it to the motor shaft. Wash it thoroughly with water and mild household detergent. Sharpen a lead pencil and break off the lead point. Use the tapered end of the pencil to **** out the holes. A wood manicure stick can also be used.
Do not use toothpicks, matches, or metal objects for this job. Lightweight wooden sticks could break off in the ports, causing blockage; metal could scrape and enlarge the ports. After cleaning, place the sprayer arm back on the motor shaft and twist the cap back on to hold it in place. Follow the same procedure to clean the upper sprayer arm.
Removing and Cleaning the Strainer
The strainer is located directly under the lower sprayer arm. When the strainer becomes clogged with food and detergent debris, the dishwasher may flood or overfill. On some dishwashers, the strainer is a plastic or metal component consisting of two semicircular halves. To remove this type of strainer, pry it up. On other dishwashers, the strainer is a one-piece component. To remove this type, remove the cap that holds the sprayer arm on its shaft. Then remove the sprayer arm and the strainer.
Wash the strainer in the kitchen sink with water and a mild household detergent. Use a fairly stiff brush to get all the debris out of the holes and slots in the strainer. Rinse the strainer well and replace it. If part of the strainer lifts out for regular cleaning, check it and clean it -- if necessary -- after each load of dishes is washed.
©2006 Publications International, Ltd.
A clogged strainer can cause the dishwasher to flood or overfill. Clean the
strainer regularly, or after each load of dishes is washed.
If the dishwasher leaks, and you know the problem is not related to tub overfilling, the pump, or inlet valve problems, the plumbing connections may be faulty. Most dishwashers are connected to the water supply with metal pipe fittings, and the leak could be at these fittings. If the fittings are threaded, tighten them with an adjustable wrench. If this doesn't work, chances are the threads are stripped or the fitting is cracked or otherwise damaged. In this case, replace the fitting.
Most dishwashers discharge used water through a pipe or a hose connected to the drain or garbage disposer under the kitchen sink. If the drain line is made of flexible hosing, it may have cracked from prolonged exposure to hot water. Examine the hose; if it's damaged, replace it. If the hose is leaking at its connections with the disposer or dishwasher, tighten the fittings or clamps at the connections, or replace the clamps. Also check for water leaks around inlet valves, drain valves, and anywhere you see flexible hoses and hose connections. Leaks at clamps can be stopped by tightening or replacing the clamps. Leaks in hoses can be eliminated by replacing the hoses.
Servicing the Water Pump
In most dishwashers, the water pump is located under the lower sprayer arm. This component pumps the water through the dishwasher. The pump has two impellers, top and bottom. These, as well as other components, can become clogged with food or detergent. Here's how to disassemble the pump:
Step 1: Remove the cap that holds the sprayer arm on.
Step 2: Remove the sprayer arm, the screen, the pump housing, a bolt, the upper impeller, the food disposer blade, a spacer plate, the impeller hood, a flat plate, an O-ring, and the lower impeller. Lay the parts out in order as you disassemble them so that you'll be able to reassemble them properly.
Step 3: Clean the parts thoroughly with a mild detergent solution. If any parts are worn, replace them with new ones made for the dishwasher.
Step 4: Replace any seals, such as the O-ring or other washers, with new ones.
Step 5: Reassemble the pump, keeping the parts in order.
To reach the water pump, remove the sprayer arm and screen and then the pump housing. Remove the bolt, and the pump components can be disassembled.
On some dishwashers, the lower impeller serves as a drain pump. This type of system usually has a reversible motor; machines with nonreversible motors have drain valves, as detailed previously. If your machine possesses this impeller pump system, and the water will not drain from the dishwasher, clean the lower pump impeller. This may solve the problem. Otherwise, call a professional service person.
©2006 Publications International, Ltd.
To reach the water pump, remove the sprayer arm and screen and then the
pump housing. Remove the bolt, and the pump components can be disassembled.
Repairing the Motor
If the dishwasher motor malfunctions, don't try to fix it yourself. Call a professional service person to make repairs or replace the motor. Before you call for service, however, you should check to make sure that the timer is working and that the dishwasher is receiving power.
Don't let water leaks, a noisy cycle, soap spots, or other problems keep you from using your dishwasher. Most problems can be handled yourself if you follow the guidelines mentioned in this article.
Posted on May 16, 2009
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Posted on Jan 02, 2017
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