Question about Danby 22 in. DDW399 Free-standing Dishwasher

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No pressure to drive swing arm.

Everything works fine. Everything except there is not pressure to drive the swing arm during the wash cycle. Repeat- everything else works fine. It fills. The domestic water pressure is fine. The timer runs correctly. The pump extracts the wash water. The rinse cycle comes on no swing arm movement due to no wash pump pressure. It drains properly.

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Re: No pressure to drive swing arm.

I had a problem like this once, it turns out I had a potato peel that was pressing up against the hole underneath the mesh filter. Basically when the unit was off, the peel would sink to the bottom of the reservoir, but once the water started going, the peel would plug up the pump inlet.

Make sure this isn't the case by inspecting underneath the mesh trap.

Posted on May 13, 2008

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Re: No pressure to drive swing arm.

Check first that no debris is blocking the holes in the spray arm where the water comes out, and clean out the holes. In case it will not solve your problem, it's look like a pump problem (the pump has two functions : drive water to the spray arms and to drain water out the washer). Open the rear panel and listen if the pump works during the wash cycle. In case it doesn't work, it should be replaced. Good luck !

Posted on Jun 20, 2006

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How to repair or fix a Dishwasher if it doesn't wash well

A common cause of poor washing results is improper loading—dishes that block or impede the spray arm(s) or prevent the soap dispenser from opening. On the other hand, if your dishwasher has chronic problems with good washing, the problem may not be your dishwasher. A good first step is vary the amount of dishwasher detergent you're using and try switching brands.

Other possibilities: Your home’s water pressure may be too low, your water may be too hard, or the water temperature may not be hot enough.
In order for your dishwasher to fill to the appropriate level, water pressure should be from 20–120 pounds per square inch. If you suspect that your water pressure may be low, turn off all faucets or other users of water (such as washing machines and sprinklers) and then put a half-gallon jug under the kitchen faucet. Turn on the hot water full-blast. If the jug doesn’t fill within 14 seconds, your water pressure may be too low for proper dishwasher operation. Call your city water utility to discuss your options, or avoid drawing water elsewhere in the house or yard during dishwasher cycles.
The right amount of detergent to use depends on how large your load of dishes is and how hard your water is. Hardness is measured in grains of minerals—the more grains per gallon you have, the more detergent you’ll need. If your water has 12 grains or more of hardness, fill both dishwasher soap cups completely with detergent. If that doesn’t work, consider installing a water softener.
To check water temperature, hold a meat thermometer under the hot water faucet for two minutes; if it doesn’t register a minimum of 140 degrees F., turn up the temperature dial on your hot water heater. (However, if you have a newer dishwasher that heats the water internally, it isn’t necessary to turn up your hot water heater.)
If your dishwasher has worked fine in the past but suddenly your dishes aren’t clean after the dishwasher completes all cycles, listen to the spray arm(s) spinning inside during the wash cycle. If spinning poorly, wait for the machine to cool down, remove the spray arm(s) by unscrewing the hubcap(s), lifting the arm(s) off, and then cleaning out the spray holes in the spray arm(s) with a stiff piece of wire.

on Sep 03, 2010 | Dishwashers

1 Answer

Why low pressure to the wash arms during wash and rinse cycle?

The small holes in the wash arms could be clogged with scale or the machine's pump and motor assembly are not working correctly.
Also make sure that the inlet valve is allowing enough water into the machine as too little water could also cause this problem.

Jul 12, 2014 | LG Dishwashers

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Soap is not disolving. Falls out of holder and stays on door and floor of washer.

Are dishes also not coming clean? Most likely, there is not enough water chruning in the tub to rinse soap out of cup during wash cycle. Sufficient wash action will wash the soap out of the cup and dissolve it in the water within a few seconds of the cup opening.

Most likely causes are:

Not enough water entering dishwasher (check level after fill... Should be slightly below bottom wash arm)

Water filling but draining during wash cycle. Check toward end of wash cycle but before drain. See if water level is diminished from start of wash cycle.

New 'water saver' dishwashers are notorious for having smaller water jets, and thus easier to stop-up jets. Check the jets on all wash arms to be sure they are cleared of food particles.

Another way to check the wash arms is to manually position them at specific locations, momentarily run the dishwasher for a few seconds, then open the door to inspect the location of the wash arms. Do this three or four times to eliminate the possibility of coincidence.

If the wash arms do not move from the location that you put them, the most likely cause is food particles stopping up the water jets. These jets not only clean the dishes but also the water pressure they generate turn the arms inside the dishwasher to properly distribute water pressure on the dishes.

Sometimes you can dislodge and remove food particles stuck in one of the jets with a toothpick or other small probe. Others require that you remove the arm(s) and get a little more creative. I use compressed air to clear mine, but not everyone has access to compressed air, so use whatever you can to remove the food particles.

Simply dislodging them from the water ports is usually not effective... As soon as water pressure is applied, the particles return to the jets and stop them up again. The real fix in this instance is to completely remove the food particles from the arm if you can.

Hope this help. Good luck.

Sep 11, 2009 | Dishwashers

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The dish washer is taking ages to wash and it not clean ing dishes well

ok so If your dishwasher has worked fine in the past but, suddenly, your dishes aren't clean after the dishwasher completes all cycles:
1) Check your water heater's temperature dial to be sure it hasn't been changed recently.
2) Be sure dishes haven't prevented the detergent dispenser from opening properly during the wash cycles or kept the spray arms from turning, the lower arm from rising, or the spray from reaching the upper rack's dishes.
3) During the wash cycle, listen to the spray arm spinning inside. If it seems to be spinning poorly, clean out the spray holes in the spray arm(s) with a stiff piece of wire; wait for the machine to cool, and then remove the spray arm(s) by unscrewing the hub cap and lifting the arm(s) off
Regards Gizokieth

Sep 10, 2009 | Dishwashers

1 Answer

Dishes don't get clean. soap still on inside of door. . . water coming up to fill line and hot enough and dishwasher drains after cycle, spray arms are clear. . . help!

Water from the wash arms must be able to reach the detergent cup during the wash. It sounds as though the machine may be over-loaded during the wash and water does not cause the detergent to mix with the wash tank water. Try washing a cycle with nothing in the machine. Does the detergent still stick to the door?
If no, the machine is overloaded. Wash fewer items or smaller items so spray will contact detergent.
If yes, you have probably lost wash pressure. Clean all screens and jets.
Hope this helps,

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could be items getting in the way of the spray arm. Or forigen object in the main wash pump. Regards Appliance Doctor

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