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Re: pulsating water in the hot water cycle
Id be curious as to the age of this machine, because the newer models have what teh call adaptive water temp sensors that will optimize the water temp automatically.. your hot water may be "too hot" and your cold can be "too cold" and the valve corrects to a preset temp. this sounds like whats happening
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What you are experiencing is known as "water hammer" It is caused when flowing water under pressure is turned off rapidly. The pipes then shake from the shock of the shutoff. Properly routed and secured water lines are less prone to this anomaly. You can install water hammer arrestors on the washer supply lines. They can be purchased at almost any hardware store or home center. Water hammers can cause pipe joints to fail and should be avoided if possible. The one below connects directly to the washer supply fitting. You then connect the washer hose to it. You'd need one for the hot and another for the cold line.
Make sure both hot and cold water supplies are turned on. Select a cold wash cycle and start the wash cycle, do you get cold water? Now select a hot wash cycle and start the wash cycle, do you get hot water? If you only get cold water replace the hot water fill valve. If you only get hot water replace the cold water fill valve. If you get neither replace both fill valves.
Yes it is normal to answer your question in short. However, since it may not be how your old machine operated or something you are not accustomed to, I'll explain in brief.
Most automatic washer made today have a "thermistor" built into the fill valve, or in series with the fill line from the valve. As a result you may notice either the cold or hot pulsing on and off, and this is done as the thermistor senses the water temperature to attain the desired water for the selected cycle. It also makes the washer more energy efficient and more well balanced from a functional stand point, i.e. it will only call for the desired amount of hot water as opposed to the older washer's which would simply fill at the rate at which the home water supply could provide, whether hot/warm or cold selected.
Hope this answer's your question and enlighten's you to the "why" as well.
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Let me know if I can assist you further and good luck with your new washer.
Usally when there is no water comming in it is the water inlet valve. First turn selector swith to see if it is only hot or cold water that is the problem. Take the hoses off the back of the washer and make sure that when you turn the water on that there is lots of water pressure comming out of the hoses. If ok. its probably the water inlet valve. There are two screws holding the valve from the back. Access the valve. Remove the fill hose from the valve. Remove the four wires off the valve and put on the new valve. Reinstall fill hose and install valve with two self taping screws you took out. Put your hoses back on and your ready to go.
Lg has a water pulsator which rotates while filling up with water. If pulsator is faulty, you will get this LE indication. Pulsator is found on bottom left hand side of unit when cover is removed. 2 clear water pipes are connected to it and there is a small plug in that has 2 wires. Remove plug in first then remove from the pipes.
1. Turn off the water supply to both hoses. 2. Remove hoses (one at a time so you don't get them confused) 3. On the washer side - look for a removeable screen inside wher you just removed the hose. 4. Using a small screwdriver - pop out the screen and reverse-flush it/clean it. It will likely be full of sediment and calcium deposits from your pipes. 5. Replace the inlet screens. 6. Re-fit the hose to the machine. 7. Turn on water supply valves. 8. re-try.
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Before you replace the water valve itself, take the hot water hose off and inspect the screen at the valve inlet. There could be a lot of grit restricting it. If the screen is clear, than I would be in agreement with you that it is the valve itslef..hope this helps you.