Question about LG 24" BuiIn Dishwasher w/Hidden Controls, White Model LDF6920WW
When starting up and during operation high pitch noise
Check the machines water pump bearings, if rusted and damaged due to leaking water seal you will have to replace the pump as it is a sealed unit.
Posted on Apr 23, 2014
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Posted on Jan 02, 2017
1E= Inlet Error
Not reached to the normal
water level in spite
of 10 min. water supply
The Water Supply Tap is closed.
The Water Supply is shut off.
The Inlet Hose is kinked.
The Water Pressure is very low.
(below 10 psi)
Inlet Valve is OK?
The filter of Inlet Valve is clogged
by impure water.
The Hall sensor is OK?
The Impeller of Air Guide is bound
Take action on Water Supply
Measure the electric resistance of
Inlet Valve. (950-1300 )
Clean the filter of Inlet Valve.
Check the frequency of Inlet Water
by the Test Mode.
Replace the Air Braker
Posted on Aug 20, 2008
SOURCE: LG DISHWASHER LD-1204W1
Try turning your tap off a bit till the noise stops but the dishwasher still fills, it can just be due to a bit too much pressure on your water valve.
hpe this helps
Posted on Apr 21, 2008
It is difficult to be specific without knowing the model number of your LG dishwasher.
On newer LG models, the most common cause of noises is from debris stuck in the lower filter assembly area. Recommend you remove the lower spray arm and the screws that holds the filter sub-assembly in. After removing the assembly, inspect with a flashlight to search for any debris that is jammed in that area. Also rinse out the filter as best possible to remove any thing you see in there. Reassemble and test.
Posted on Aug 12, 2009
Hey, consider the float assembly!
We bought this dishwasher and ran it for the last 1 1/2 months and it made a grinding and whistling sound from day one (it's supposed to be nearly silent in its operation). Turns out the drain pump was cutting in while the machine was still filling, thereby emptying the wash tub of any water. Then, when the cycle proceeded to wash, the dumb thing had no water and made a horrible noise. So I had to pitch in at least 2-3 litres of hot water, and then it worked quietly! Had to do this every time there was new water intake.
After working with the repairmen - four visits later, we isolated the float assembly as the problem and they set about replacing the part. Turns out the two parts were markedly different. LG HAD INSTALLED an older model float assembly at the factory and it was the problem. The replacement part was the correct float assembly and things worked perfectly after that - thank goodness. No more babysitting the dishwasher.
Don't let anyone tell you the motor assembly needs replacement. I have seen that cop-out 'fix' all over the web. But use deductive reasoning to find out where the problem is in the cycle, and explore this option first - it's a quicker and cheaper fix than replacing the whole motor assembly.
'Mr. Float' as he is now called works like this:
-expels any residual water in the tub from the last wash
-intakes water for the wash or rinse
-whirs 2-3 times prepping for the cycle
-begins to wash, quietly
-expels at the end of the wash or rinse.
He used to:
-expel residual water
-intake new water for wash or rinse
---drain pump would cut in WHILE still filling
-machine would whir once, realize it didn't have enough water
-perform a brief top-up intake shot
-begin to wash and whistle and GRIND (this is where I would have to add the water)
-expels water from wash or rinse, and start all over again.
It's a good dishwasher and it will work, but the right model parts have to be in place!
Posted on Jun 02, 2011
SOURCE: High pitched whistle
First a suggestion...try this guys solution with the impeller blade or ordering a different part. http://forum.appliancepartspros.com/dishwasher-repair/318842-high-pitched-squel.html
Now the rant...NEVER BUYING AN LG ANYTHING AGAIN!!!! Just talked to LG customer service they are worthless. I have the LDS5811 with the same problem. If you aren't going to man up and back your product when there are major flaws I don't want to buy from you. I have spent 250 bucks servicing this unit and it is only 4 years old RIDICULOUS. LG you better get your act together. I am not going to buy another LG appliance unless they start owning up to their faulty manufacturing. This dishwasher was not cheap when I bought it and has been nothing but a head ache. First the wiring harness got loose and shorted the board, because they embedded the wiring in the insulation in the door. Now this stupid noise that tortures any animal within a mile. My home warranty won't fix it "till it breaks." Back into ear purgatory my family goes till I can get this part.
Posted on Jan 06, 2013
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