Question about Frigidaire PLDB998A Built-in Dishwasher

4 Answers

Frigidaire dishwasher with no water going through upper wash arm

I have a Frigidaire dishwasher and there is not any water coming out of the top wash arm. There is good water pressure coming out of the lower washarm. I pulled out the dishwasher and can see the water going to the top washarm through the tube and it goes up very slowly. I took out the ''check ball'' below the lower washarm and it worked good. I put the ''check ball'' back in and ran the machine on ''Upper Rack'' and it still does not have any water coming out of the upper washarm. It doesn't seem like the check ball is operating correctly but I'm not sure exactly how they are supposed to operate. I have made sure nothing is plugged up and was told it was the fill switch so I replaced it but it still works the same way. Any ideas?

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  • 2 more comments 
  • travis_buchn May 16, 2010

    See question.

  • travis_buchn May 17, 2010

    Nothing is blocked in the washarms or tube. Please answer. Thanks

  • travis_buchn May 18, 2010

    Reply to question.

  • travis_buchn May 18, 2010

    No one seems to actually be reading my issue. Nothing is plugged. The water valve, fill valve and fill switches are working fine.
    When the "check ball" is in front of the hole where the water travels to get up to the upper wash arms, no water comes out. What causes the "check ball" to move back to the other position of covering the hole for the lower wash arm and uncovering the upper wash arm.

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  • Frigidaire Master
  • 3,247 Answers

I am coming in cold on this. Unfortunately I am unable to view the comments offered by other Fixya.com experts. This is how the system is.

Regarding your specific question

"What causes the "check ball" to move back to the other position of covering the hole for the lower wash arm and uncovering the upper wash arm."
Based on what I have read, the control mechanism stops the pump at certain points during the cycle which allows the 'check ball' inside the pump to change positions which in turn allows one or the other spray arm to be fed with water.

So if you have not solved the problem yet, the most likely causes of water not getting to the upper arm would be

1. the controller does not stop the pump at the correct moment to let the checker ball drop OR
2. the checker ball is obstructed in its movement and does not fall down so that water can get to the upper arm through the delivery tube.

Refer page 8 on
ftp://ftp.electrolux-na.com/ProdInfo_PDF/Kinston/5995386694.pdf

(note - frigidiare is also marketed as electrolux)

Perhaps there is no dearth of parts that could be suspect, how old is the dishwasher?

Parts are available at (but I am assuming you already know all this)

http://www.partselect.com/MultiModels.aspx?ModelNum=pldb998a&SearchTerm=ball&RefineSearch=0

I know you have had this problem out there for quite a few days and sorry for all the manual dishwashing you may have had to do after the weekend party. While you are diagnosing this problem, best to run the dishwasher with dishes in lower basket only. Atleast you don't have to wash the dishes yourself.

Let me know if you are making any progress.

Posted on May 18, 2010

  • Sam May 18, 2010

    Further to earlier comment today - please ignore the bit about weekend party. I confused the situation of some other person looking for help on dishwashwer at fixya.com. Sorry for mixing the two up.

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  • Frigidaire Master
  • 3,051 Answers

Hello there
I will try to explain this in 2 seperate posts
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.

Posted on May 17, 2010

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  • Master
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Either there is food lodged in the arm itself or the spray holes are clogged and need to be cleaned out. Most likely there is a blockage in the hose or arm itself. There is a fill switch but if it was faulty, you wouldn't get water in top or bottom, there is a float ball that floats when water enters the system and drops when it needs to be closed or in drain cycle. The balls can leak. There is also a water pressure switch and a temp switch. If you have just one of each, then you probably wouldn't have any water flow. But if you have two of each, then check the ones for the top arm.

Posted on May 16, 2010

  • Nate Stansfield
    Nate Stansfield May 17, 2010

    If arms and hose is clean and the arms can spin with ease, then it is possible there is too low of water pressure, or the water inlet valves are not opening fully enough, or the pump may be leaking or loose.

  • Nate Stansfield
    Nate Stansfield May 18, 2010

    Like I was saying previously, when the water changes cycles, and water is no longer entering the machine, the ball will drop back over hole so water stays in the machine until drain and wash cycles

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  • Frigidaire Master
  • 12,061 Answers

Http://www.servicematters.com/maytag_library/docs/16010622.pdf
http://frigidaireservicetips.com/pdfs/486_5.pdf
http://appliancejunk.com/forums/index.php?topic=2936.0
Appliance Repair Guide: How To Fix Appliances - ACME HOW TO.com
Dishwasher Repair Guide: How To Fix a Dishwasher - ACME HOW TO.com
Hi, please find above some service and repair manuals, these are what the engineers use to isolate and repair these problem. Just work through the troubleshooting steps, and you will soon isolate and hopefully repair your unit. Your problem can have a few causes, you need to as related use the troubleshooting procedures and the DIY help sites to track it down. many DW's are simply re-branded, and most of the troubleshooting procedures are transferable among the units. Please download and vist all the sites above, they ALL have important info.

Posted on May 16, 2010

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6ya6ya
  • 2 Answers

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