LG Refrigerator ice maker not filling with water

Common reasons your LG Refrigerator ice maker not filling with water

The most common reasons your LG refrigerator's icemaker is not filling with water are a defective water valve, a faulty icemaker, or a malfunctioning PCB.

  • 29%

    29% of the time it's the
    Water Valve

  • 26%

    26% of the time it's the
    Icemaker Assembly

  • 11%

    11% of the time it's the
    PCB

  • 34%

    34% of the time it's the
    Something else

Schedule your refrigerator repair now!

We can help! Our service technicians have repaired over 20,000 LG refrigerators. We can fix yours no matter where you bought it.

Call (646) 440-2692 or schedule online now.
Chat

Most common repairs needed to fix a LG refrigerator

Water Valve Replacement

When a water valve is defective, it impacts the proper functioning of the water dispenser and icemaker. If the water valve fails to open, the icemaker won't receive the water necessary to produce ice, and the dispenser won't dispense water. Additionally, a defective valve may lead to water leakage, particularly near the water valve assembly. In some instances, a malfunctioning water valve can cause the water dispenser or icemaker to cease working entirely. If the water valve fails to close, water flowing into the icemaker may leak to the evaporator and fan, subsequently freezing into a solid block of ice. This impedes airflow, compromising the proper cooling of the refrigerator and freezer compartments.

Icemaker Assembly Replacement

A faulty refrigerator icemaker can have diverse effects, impacting various aspects of the refrigerator's operation, including its ability to make ice. Increased noise during the ice-making process could indicate a problem in the icemaker's components. A malfunctioning icemaker may lead to water leaks around the icemaker assembly, potentially causing water puddles in and around the refrigerator. If the bail arm fails to shut off ice production, it could result in the icemaker drawer jamming due to an overproduction of ice, potentially leading to damage to the drawer or adjacent shelf. The failure of other components in a refrigerator that stops cooling will affect ice production, so a thorough inspection of the refrigerator by a Sears Home Services professional is recommended for an accurate diagnosis.

PCB Replacement

A defective printed circuit board (PCB) can lead to various failures in a refrigerator, including a lack of power, lack of cooling, and water leaks. The PCB controls communication and power between various components of a refrigerator that control temperature regulation, fan operation, the defrost cycle, icemaker functions, and dispenser functions. If the PCB fails, any or all of these components may stop working. Because so many components can be impacted, Sears Home Services professionals should conduct diagnostic tests on the board to confirm if replacement is necessary.

Why is the LG ice maker not filling with water?

When your ice maker isn't filling with water, the fix is sometimes fairly simple.

Always unplug your refrigerator and shut off the water supply before troubleshooting.

Common Ice Maker Problems

Several problems can interfere with making ice properly or dispensing ice. The ice maker or dispenser could be jammed or broken, a dirty water filter or kinked water line could be blocking water flow or the water inlet valve could be clogged or faulty.

Here are the most common ice maker problems.

Clogged Water Filter

Sediment can eventually build up in water filter when you don’t change it every 6 months to a year. Eventually, the sediment in an unchanged water filter can restrict water flow going to the ice maker.

Replace the fridge water filter every 6 months or yearly according to the guidelines for your refrigerator. This will prevent a clogged water filter from preventing the ice maker from getting water.

Thermostat Set Too Low

When the thermostat for the freezer is set too low, the ice maker module may not detect that ice cubes are frozen. The ice maker won’t cycle and produce ice if temperature isn’t low enough in the freezer.

If the thermostat is set to keep the freezer at too low of a temperature, then the water supply line going to the ice maker can freeze and the ice maker mold won’t fill with water.

In either case, an improper freezer temperature setting can prevent ice production. Set freezer temperature at 0 degrees F to prevent ice maker problems. Is your whirlpool refrigerator no ice?

Water Line Problems

As noted above, the ice maker mold won’t fill with water when its water line freezes. When you hear the ice maker cycling but it doesn’t produce any ice, check for a frozen fill tube in the freezer or ice maker compartment. Defrost the frozen water line and the ice maker will likely start working.

Water Valve Issues

A broken water valve won’t open to fill the ice maker mold with water to produce ice. Also, a leaky water valve will cause the ice maker to overfill and the ice maker will likely jam when attempting to eject ice cubes. A leaky water valve can also cause the water fill line to freeze. Replace the water valve when it doesn’t open or shut properly.

Follow the steps in this safe DIY video to replace a faulty water valve:

If you’re not completely confident that you can replace the inlet water valve on your own, schedule refrigerator repair service and we’ll send a Sears Home Services technician to your home to replace the valve for you.

For addition ice maker troubleshooting tips, view this video that provides specific advice for LG refrigerators that won’t produce ice:

What to expect when you experience an LG refrigerator icemaker not filling with water issue

How is the icemaker not filling with water issue fixed?

Correcting most refrigerator icemaker not filling with water problems usually involves replacing the water valve, icemaker assembly, or PCB. However, there are many potential causes, so a thorough diagnosis is key to fixing the problem. An accurate diagnosis is essential to understanding how much the repair will be.

Sears Home Services recommendations for a refrigerator icemaker not filling with water problem

When a refrigerator icemaker is not filling with water, it can be for many reasons. To avoid replacing unneeded parts, we recommend scheduling LG ice maker repair with a local Sears Home Services professional who can perform diagnostic tests to identify the root cause of the problem. Our technicians are experienced at diagnosing all types of refrigerator failures.

What to look out for with a refrigerator icemaker not filling with water diagnosis

Diagnosing modern appliances without proper knowledge and training can be difficult. Without using proper diagnostic techniques, fixing your refrigerator problem will only be achieved through changing parts on a hunch. Appliances, especially in the last 10 years, have become extremely advanced, and many models have electronic parts that are difficult to test. DIY repairs on the latest appliance models are becoming increasingly difficult.

What our customers say about us

With more than 1.3 Million 5 Star Reviews, you don't have to take our word for it

Jake is a great person.

He did a great job, the problem is with the refrigerator.


Nancy V, Meridian, ID

Great job

Robert did a great job and was kind and courteous. He cleaned up everything. I would highly recommend using him.


Karen K, Mount Laurel, NJ

Service appointment

Joe was very professional and knowledgeable technician who quickly found and fixed the problem. I would recommend for service again


Tim R, Schaghticoke, NY

Frequently Asked Questions

Why is my LG refrigerator ice maker not filling with water?
A frozen water line, faulty water valve, or clogged filter could prevent the ice maker from filling with water. Inspect these components for issues.
How can I fix my LG refrigerator ice maker that’s not filling with water?
Check for frozen water lines, test the water valve, and replace the filter if necessary. Replace any faulty parts to restore water flow.
Could a frozen water line cause my LG refrigerator ice maker to stop filling with water?
Yes, if the water line is frozen, water cannot reach the ice maker. Thaw the line to restore function.
What should I do if my LG refrigerator ice maker isn’t filling with water?
Check the water line for freezing, inspect the valve for malfunctions, and replace the filter if it’s clogged or outdated.

Repair Refrigerator Resources

Banner image for blog article "Why is my Samsung Fridge not Cooling but the Freezer Works?"
4 min readMar. 28

Find out why your Samsung fridge is not cooling but the freezer section works. Get expert troubleshooting tips to fix the problem.

Banner image for blog article "Why the Fridge is not Cold but the Freezer Is,"
7 min readMar. 27

Find out why the fridge is not cool but the freezer is and learn how to troubleshoot the common problems that cause this failure.

Banner image for blog article "Why is my Refrigerator Working but the Freezer is not Freezing?"
4 min readMar. 25

Find out what to do when the freezer is not freezing but the fridge works fine. Fix the problem fast with our expert DIY troubleshooting tips.

Banner image for blog article "Why is my Whirlpool Fridge not Cooling but the Freezer Works?"
8 min readMar. 13

Find out why Whirlpool fridge is not cooling but the freezer works and learn how to troubleshoot the common problems that cause this failure.

Glossary Terms

A dual ice maker is a feature in some refrigerators that includes two separate ice makers: one in the fridge compartment and another in the freezer section. This setup doubles the appliance's ice-making capacity.

A French-door refrigerator features two doors that open side-by-side on the top section for the refrigerator compartment, with a bottom freezer drawer, combining style, efficiency, and easy access to both refrigerated and frozen goods.

Refrigerant is a chemical compound used in HVAC systems and refrigerators to absorb heat from the environment by cycling through states of evaporation and condensation, enabling the cooling process through its cycle of evaporation and condensation.

R-12 refrigerant, also known as Freon-12, is a chlorofluorocarbon (CFC) compound that was once widely used in air conditioning systems, refrigerators, and aerosol propellants before its phase-out due to environmental concerns.