Question about LG 24 in. LDF 7811 Stainless Steel Built-in Dishwasher

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Lg dishwasher LDF model one week old makes a lot of noise

When first cycle runs sometimes it sounds like a moaning noise but not every time we use it. the display on the top has the 2H displayed but this is not in the owners book? almost sounds like its trying to overcome something or is not getting enough water?? any ideas

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  • shoup Nov 05, 2008

    Your help and response are apreciated, I think the 2H is the time as you said since once the cycles begin it changes to digets and counts down, the washer is only 2 weeks old and when I installed it I replaced the shitoff valve (brass sing lever) and the ss braided supply hose. I did notice that the last time we ran it we used the heavy duty/power scrub cycle and sani mode when this was noticed so I am now trying a normal cycle no sani to see if there is a diff. Hard to tell because it seems only to happen during the very first cycle for the most part . Any ideas please advise and I can respond.

  • shoup Nov 08, 2008

    Thanks for your help. No solution as of you called LG repair services.

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Not real sure about the 2H display , I'm inclined to believe it is showing the estimated time for the cycle. As far as the noise, I believe you are on the right track with the water theory, but without hearing it myself I'm not real sure. If it is in the very beginning of the cycle most dishwashers start the cycle with a drain or initial pump out cycle. This is designed to remove any leftover water etc from any previous cycle. Depending on how much water is left over it can make different sounds at the beginning of the cycle. If you have had the unit installed for a while, depending on water conditions(hardness,sediment silt etc.) it is possible that the screen on the inlet valve is clogged or your house water pressure to the valve may not be high enough to completely open the valve. It can be a little tricky to check these yourself, but you would have to turn off the water to the dishwasher check the screen in the valve and then check to see if you have enough water pressure and volume . If you have times when your water pressure might be lower(like when I am filling our koi pond at my house) the water pressure in the rest of my house is lower. At those times it might make some wierd noises while it is filling or might not fill to the proper level. I think I would check on those things before digging into disconnecting water lines and checking screens and stuff. Good Luck and reply back if you have more info that might help us narrow it down for you!

Posted on Nov 05, 2008

  • Steven Haney Nov 05, 2008

    Unles the noise is very loud I tend to think that the noise may be normal. Without hearing it I can't be positive. If the unit is only 2 weeks old, I would suggest calling the repair center where you purchased it or if they don't have a service dept. , I would just contact the manufacturer to be refered to the nearest Authorized service center. Trying differenet cycles should only change wash time, water temp etc. Let me know if you find a problem with it if you decide to call a tech. Thank You!

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