Question about Dishwashers

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Subject is Bosch dishwasher SHU6800. There is a soap residue left on dishes. Residue is not visible. Using two glasses taken from a recently completed wash cycle I rinsed one under tap water and then filled glass with tap water. The second was just filled with tap water. There is noticeable soap bubbling and foam in the second glass. Starting the 10 min rinse/hold cycle following completion of a full 60 min wash cycle results in considerble soap foam in the bottom of the tub. Have tried three liquid dishwasher detergents and experimented with reduced detergent quantity. Same result. Does "rinse aid" material knock down the detergent? If so, could the quantity of rinse liquid address this problem? Thanks. JR

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WHAT IS WRONG WITH YOUR DISHWASHER?

Subject is Bosch dishwasher SHU6800. - small_9_26.jpg For a detailed Dishwasher illustration, click below.

redarrow.gif Built in
Warning!To avoid personal injury or even death, always disconnect yourappliance from its power source--that is, unplug it or break theconnection at the circuit breaker or fuse box--before you do anytroubleshooting or repair work on your appliance. Also, because somecomponents may have sharp edges, use caution while working on yourappliance.

There's an error code on the digital display

It doesn't work at all
It cleans poorly
There's no water entering the machine
The water doesn't drain from the machine
It's noisy
It leaks
The dry cycle has problems
The door has problems
The cycle doesn't complete
I see an error code
The detergent cup doesn't open
The cycle times are too long

Posted on Aug 17, 2008

  • LORETO LACARON
    LORETO LACARON Aug 25, 2008





    Water-inlet valve

    Most cleaning problems are caused by the dishwasher not getting enough wash water, so the water-inlet valve is often to blame. This valve is usually at the bottom left or right of the dishwasher, behind the lower access panel. It's the device with the main water line from the house, a rubber tube to the dishwasher, and two wires attached to it.

    When a water-inlet valve is defective, you may hear the sound that's usually referred to as "water hammer." If the water-inlet valve is defective, you need to completely replace it.

    Dishwasher Water Inlet Valve Replacement

    Be sure to read and understand any instructions that come with the new water inlet valve.

    Tools required:

    Adjustable wrench

    Multi-Screwdriver

    Pliers

    Step 1. Disconnect the dishwasher from its power source.

    Note: Dishwashers are usually wired directly to the home’s electrical system. To disconnect the power, switch off the circuit breaker or remove the fuse for the electrical circuit the dishwasher is attached to. Try to turn the unit on after disconnecting the power to be sure you were successful.

    CAUTION: If you’re not sure you’ve shut off the power properly, DO NOT CONTINUE. Call a qualified appliance repair technician to complete the repair.

    Step 2. Turn off the water supply to the dishwasher. This is usually underneath the kitchen sink or in the basement or crawlspace near the location of the dishwasher. Pliers may be helpful here.

    Note: If there are no shut-off valves, you must shut the water off at the main water supply valve for your home.

    Step 3. Remove the lower panel(s) of the dishwasher. These are usually held by 2 to 4 screws at the upper and lower corners of the panel(s).

    The inlet valve is usually near the front of the dishwasher. Attached to the valve you’ll see: 2 or 4 wires, the water supply line from the house and the water feed line that goes to the dishwasher.

    Step 4. Remove the household water supply line from the valve. The line is usually secured with a brass compression nut. The water supply line is usually copper or braided stainless steel.

    CAUTION: Water supply line may be hot.

    Step 5. Remove the fitting from the valve the water supply line was attached to. This fitting may be very difficult to remove. It may help to put the valve into a vice in order to remove the fitting. If you cannot remove it, replace it. The fitting is not an appliance part but a plumbing part that is available at most hardware stores.

    Step 6. Remove the screws holding the valve to the dishwasher frame.

    Step 7. Label the wires to the valve so you’ll be sure to reattach them correctly.

    Step 8. Remove the wires from the valve.

    Step 9. Remove the clamp on the black rubber water discharge tube and pull the tube off of the valve.

    Step 10. Reinstall the old fitting (or a replacement fitting if necessary) onto the new valve the water supply line was attached to. Use Teflon tape or pipe joint compound as a thread sealant. Make this fitting tight to prevent leaks. Make sure that the fitting points in the same direction as the old one so that the water supply line will meet up with it properly.

    Step 11. Install the new valve in the reverse order of the removal instructions.

    Note: The water supply line is under high pressure. Be sure to tighten the fittings properly.

    Step 12. Turn on the water to the machine, and check for and correct any leaks.

    Step 13. Reinstall the access panel(s). Restore the power to the dishwasher and test.

    Note: You may have to let the dishwasher run a few minutes before it reaches the next water fill cycle.





    Internal filters

    Every dishwasher has some type of filter to keep large food particles and foreign objects away from the pump assembly:



    • Most modern dishwashers have self-cleaning filters that don't need any routine cleaning.


    • Some have filters in the bottom of the dishwasher that you need to periodically clean. You don't need any tools to remove the filter, and cleaning it is easy. Consult your owner's manual to determine which type you have and its maintenance requirements.

    If your filter is clogged, it may be causing the cleaning problem.





    Drain valve

    Some dishwashers have a valve (or gate) that should open only during draining. If debris lodges in the valve, it can't close properly, so water drains out during the wash cycle. Most dishwashers drain into the garbage disposer. If yours does that, listen for water flowing into the disposer during the wash cycle. If you can hear it then, the drain valve may be clogged.





    Spray arms

    There's a spray arm at the bottom of your dishwasher--it may have a tall spray tube mounted to the center of it. There may also be a spray arm located directly beneath the upper rack of dishes and/or above the upper rack.

    If debris is blocking the holes in the spray arms where the water comes out, it could cause cleaning problems. Regularly inspect each of the spray arms and clean out the holes as necessary.





    Water temperature

    To get the best cleaning results, the water entering your dishwasher needs to be hot enough. Try running the hot water in your kitchen sink for about 30 seconds before starting the dishwasher, to pre-heat it. Also, if your dishwasher lets you select a higher wash or rinse temperature, try that to see if it helps.

    To check the temperature of the hot water that comes from your kitchen faucet use a waterproof thermometer. If the water isn't 120 degrees Fahrenheit, your dishwasher may have trouble getting your dishes clean. You could increase the temperature of the hot water to the whole house--and therefore the dishwasher--by adjusting the hot water heater thermostat.

    Warning! To lessen the risk of scalding, don't set the hot water heater temperature higher than 120 degrees Fahrenheit.





    Detergent cup

    Dishwashers don't perform their best if detergent is introduced only at the beginning of a cycle, so add detergent to both parts of the cup.

    If the detergent cup isn't opening, see the "The detergent cup doesn't open" section, below.

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Under the bottom jet (the spiny thing on the bottom) there is a screen.
pull it out and clean it. that usually helps.
pleas rate thanks....................................... ;-)

Posted on Aug 17, 2008

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It cleans poorly If your dishwasher is cleaning poorly, check these:

Water-inlet valve
Internal filters
Drain valve
Spray arms
Water temperature
Detergent cup
Water-inlet valve Most cleaning problems are caused by the dishwasher not getting enough wash water, so the water-inlet valve is often to blame. This valve is usually at the bottom left or right of the dishwasher, behind the lower access panel. It's the device with the main water line from the house, a rubber tube to the dishwasher, and two wires attached to it.

When a water-inlet valve is defective, you may hear the sound that's usually referred to as "water hammer." If the water-inlet valve is defective, you need to completely replace it.

Dishwasher Water Inlet Valve Replacement

Be sure to read and understand any instructions that come with the new water inlet valve.

Tools required:

Adjustable wrench

Multi-Screwdriver

Pliers

Step 1. Disconnect the dishwasher from its power source.

Note: Dishwashers are usually wired directly to the home’s electrical system. To disconnect the power, switch off the circuit breaker or remove the fuse for the electrical circuit the dishwasher is attached to. Try to turn the unit on after disconnecting the power to be sure you were successful.

CAUTION: If you’re not sure you’ve shut off the power properly, DO NOT CONTINUE. Call a qualified appliance repair technician to complete the repair.

Posted on Aug 17, 2008

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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