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The error code dH on your LG refrigerator is indicating a water supply problem. This could be caused by a few different issues:
Clogged or frozen water line: The water line supplying the icemaker and water dispenser may be clogged or frozen. This can prevent water from flowing to the icemaker and dispenser. Check the water line and make sure that it is not clogged or frozen.
Water inlet valve: The water inlet valve that supplies water to the ice maker and dispenser may be faulty or clogged. This can prevent water from flowing to the icemaker and dispenser. You can check the water inlet valve and make sure it is functioning properly or if it is clogged.
Water filter: A clogged water filter can prevent water from flowing to the icemaker and dispenser. If your refrigerator has a water filter, make sure that it is not clogged and has been replaced recently.
Water pressure: If the water pressure is too low, it can prevent water from flowing to the icemaker and dispenser. Make sure that the water pressure in your refrigerator is adequate.
You should first try to check the water line, water inlet valve, water filter, and water pressure. If none of these solutions work, please contact a professional technician or LG customer service to diagnose and fix the problem.
Sounds like you have to have a leak in the water line somewhere. The water line goes to the top hinge in the door, so the water has to come from somewhere below that point or it would be collecting inside the door and leak out the front. A leak would prevent water from getting to the ice maker, or a leak at the valve could have this effect as well. Check the water valve that gets a call to send water to the ice maker.
Either the pipe for the water supply may be bent stopping the flow on your water pressure is too low.
below is taken from manual..
The water pressure should be 2.0~12.5 kgf/cm2 or more to run
the automatic icemaker.
Checkup your tap water pressure ; if a cup of 180cc is full
within 10 seconds, the pressure is OK.
the icemaker line from the basement to the fridge may be bad, clogged or the little fitting they put on the water pipe to connect the plastic line to your fridge could have sentiment in it, clogging the water. Ice Maker needs a certain amount of pressure in line to work properly!
The ice maker is a separate appliance within the freezer section. Please see the How things Work section of our website to learn about the normal functioning of ice makers. Some common problems with ice makers are:
The ice maker has completely stopped producing ice The ice maker is producing ice poorly The ice maker has completely stopped producing ice
Check to see whether the ice maker has been turned off. Here's how to check. Look for a wire along the right side of the ice maker that looks a bit like a coat hanger. If this wire is in the raised position, the ice maker is turned off. On some units you simply lower the wire to the down position to turn the ice maker on. On others, you lower a small red plastic lever to lower the wire. If the wire is in the proper position check the freezer temperature, it should be between 0-8 degrees Fahranheit. If it is warmer than 10-12 degrees, the ice maker may not produce any ice. Check your door seals and thermostat, repair/replace as necessary.
The ice maker is producing ice poorly
When an ice maker is producing ice poorly--when it produces just a few cubes or none, or when the cubes are too small--it's usually because of a clogged water line or a defective water inlet valve.
First, check the water line attached to the back of the refrigerator for good water flow. To do that, first turn off the water supply valve. Then remove the water line from the back of the refrigerator. Next, place the water line into a bucket and momentarily turn the water valve back on to test the flow. If the flow is poor, you need to repair, clean, or replace the tubing or the shut-off valve that supplies the water. If the flow is good, you may have to replace the water inlet valve.
There's an ice- or water-dispensing problem
The ice and water-dispensing system of your refrigerator is quite complex. Many components work together to provide the ice and water. Aside from a simple problem of a leaky water tube or a jammed ice chute, most other components are not user serviceable. We suggest that you contact a qualified appliance repair technician for such repairs.
The ice maker is not producing ice or not enough ice
Refrigerator connected to a water supply and the supply
shutoff valve turned on? Connect refrigerator to water
supply and turn water shutoff valve fully open. Kink in the water source line? A kink in the line can reduce
water flow. Straighten the water source line. Ice maker turned on? Make sure wire shutoff arm or switch
(depending on model) is in the ON position. New installation? Wait 24 hours after ice maker installation
for ice production to begin. Wait 72 hours for full ice
production. Large amount of ice recently removed? Allow 24 hours for
ice maker to produce more ice. Ice cube jammed in the ice maker ejector arm?
Remove ice from the ejector arm with a plastic utensil. Reverse osmosis water filtration system connected to
your cold water supply? This can decrease water pressure
OR
The water dispenser will not operate properly
Freezer door closed completely? Close the door firmly. If it
does not close completely, see “The doors will not close
completely.” Refrigerator connected to a water supply and the supply
shutoff valve turned on? Connect refrigerator to water
supply and turn water shutoff valve fully open. Is the water pressure at least 30 psi? The water pressure to
the home determines the flow from the dispenser. See “Water
Supply Requirements.”
Kink in the home water source line? Straighten the water
source line. New installation? Flush and fill the water system. Water filter installed on the refrigerator? The filter may be
clogged or incorrectly installed. Is a reverse osmosis water filtration system connected to
your cold water supply?
GOOD LUCK TO YOU!!! LET ME KNOW IF THIS SOLVED YOUR PROBLEM
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