Refrigerator Ice Maker Not Making Ice But Water Works? Here’s Why (And What To Check)
Your refrigerator’s ice maker isn’t making ice, but the water dispenser works fine. That single detail tells you something important: the shared water supply isn’t the problem.
The water dispenser and the ice maker share the same supply line, the same water filter, and the same supply valve. But they use different solenoids on the water inlet valve, and they have separate control circuits. If the dispenser works, the supply is reaching the fridge. The fault is isolated to the ice maker’s own components.
That narrows the diagnosis significantly. Instead of checking the entire water system, you’re checking three things: the ice maker’s water inlet valve, the ice maker assembly, and the ice level sensor.
This page covers the common causes, the symptoms to look for, and the checks you can perform yourself. If you need the complete diagnostic sequence with component testing and expected readings, the full guide is linked at the bottom.
Quick Diagnosis
No ice at all, no sound from the ice maker: the ice maker’s water inlet valve has likely failed. This is the most common cause.
No ice, but you can hear the ice maker cycling: the ice maker’s water inlet valve has failed, or the water filter is partially clogged.
Ice produced but not ejecting: the ejector motor or mold heater has failed. The ice maker assembly needs replacing.
Ice maker not cycling at all, bin is empty: the ice level sensor is stuck in the “full” position.
Everything tests good but still no ice: the control board isn’t sending the cycle signal.
Why This Fault Is Different
The water dispenser and ice maker share a water supply but use different valves. That’s the key.
Most modern refrigerators use a dual water inlet valve. It has:
One solenoid for the water dispenser
One solenoid for the ice maker
A shared inlet from the water supply
Separate outlets to the dispenser and the ice maker
The two solenoids are independent. If the ice maker’s solenoid fails, the dispenser continues to work normally.
This is why “but water works” is such a specific fault. It points directly to the ice maker’s own solenoid or the components downstream of it.
What “But Water Works” Rules Out
If the water dispenser works, three things are confirmed:
The water supply is reaching the fridge. The shared supply line is fine.
The water filter isn’t completely clogged. A fully clogged filter would stop both the dispenser and the ice maker.
The shared supply valve is open. If it were closed, the dispenser wouldn’t work either.
That rules out the most common causes of ice maker faults. What’s left is a much narrower set of components.
What It Leaves
The ice maker’s water inlet valve. The ice maker’s solenoid can fail while the dispenser’s continues to work.
The ice maker assembly. The ejector motor, mold heater, or thermostat can fail independently of the water supply.
The ice level sensor. If the sensor thinks the bin is full, the ice maker won’t cycle even though the water supply is fine.
The ice maker’s control circuit. The ice maker has its own control path from the main board. If that path fails, the ice maker won’t cycle while the dispenser continues to work.
A partially clogged water filter. A partially clogged filter can affect the ice maker more than the dispenser, because the ice maker is more sensitive to pressure drops.
The Three Fault Patterns
Fault Pattern 1 — No Ice At All
What you’re seeing. The ice maker produces no ice. The bin is empty or has old ice that hasn’t been replenished. The water dispenser works normally.
What it means. The ice maker isn’t getting water, isn’t cycling, or isn’t ejecting. But the shared supply is fine.
The most likely cause is the ice maker’s water inlet valve. The solenoid has failed closed, so no water enters the mold. This is the single most common cause of this fault pattern.
Other causes:
Failed ice maker assembly (ejector motor, mold heater, or thermostat)
Stuck ice level sensor
Failed control board (ice maker circuit)
Partially clogged water filter
Fault Pattern 2 — Ice Produced But Not Ejecting
What you’re seeing. The ice maker fills with water and freezes, but the ice stays in the mold. The ejector arms don’t sweep it out.
What it means. The ejector motor or the mold heater has failed. This is a fault in the ice maker assembly, not the water supply.
The most likely cause is the ejector motor or the mold heater. Both are part of the ice maker assembly.
Fault Pattern 3 — Ice Maker Not Cycling
What you’re seeing. The ice maker doesn’t cycle at all. The bin may be empty, but the ice maker behaves as if it’s full.
What it means. The ice level sensor is stuck in the “full” position. The ice maker is waiting for the bin to be emptied, but it already is.
The most likely cause is a stuck bail arm or a blocked infrared sensor.
How to Diagnose the Fault
Step 1 — Check the Ice Level Sensor
Look at the sensor or bail arm. If it’s stuck in the “up” (full) position, the ice maker won’t cycle. Move it to the down position and see if ice production resumes.
There are three sensor types:
Bail arm — a mechanical arm on top of the ice. Common on Whirlpool, Maytag, and KitchenAid.
Infrared sensor — a beam across the bin. Common on Samsung and LG.
Mechanical switch — a physical switch activated by the bin. Common on GE.
A stuck bail arm is a free fix. A failed sensor is $15 to $40 for the part.
Step 2 — Check the Water Filter
Even though the dispenser works, a partially clogged filter can affect the ice maker more. The ice maker is more sensitive to pressure drops than the dispenser.
If the filter is overdue — more than six months old — replace it and test the ice maker.
Step 3 — Listen for the Ice Maker Cycling
Put your ear close to the freezer and listen. If you hear the ice maker cycling (a motor sound followed by a water fill sound), the fault is the water inlet valve. If you hear nothing, the fault is the ice level sensor or the control board.
Step 4 — Test the Ice Maker’s Water Inlet Valve
This is the most common cause and the first component to test.
Procedure:
Unplug the fridge and shut off the water supply.
Locate the water inlet valve at the back of the fridge.
Identify which solenoid feeds the ice maker. On a dual-valve assembly, the ice maker solenoid is the one with the line running to the freezer.
Disconnect the ice maker solenoid’s electrical connector.
Set your multimeter to resistance.
Test across the solenoid terminals.
A good solenoid reads 200 to 500 ohms depending on the model. An open reading means it has failed. A zero reading means it has shorted.
Step 5 — Test the Ice Maker Assembly
If the valve tests good, the fault is likely in the ice maker assembly.
Unplug the fridge and access the ice maker.
Disconnect the ice maker’s electrical connector.
Test the ejector motor for continuity (100 to 300 ohms).
Test the mold heater for continuity (50 to 200 ohms).
Test the thermostat for continuity at different temperatures.
An open reading on any component means that part has failed. On most models, the entire assembly is replaced rather than individual components.
Step 6 — Test the Control Board
If the valve, assembly, and sensor all test good, the control board may not be sending the cycle signal.
With the fridge plugged in and the ice maker calling for water, test for voltage at the ice maker connector.
If there’s no voltage, the board isn’t sending the signal. The board or its wiring is the fault.
Brand-Specific Notes
The diagnostic logic is the same across brands, but the components and their locations vary.
LG Refrigerator Ice Maker Not Making Ice But Water Works
LG fridges often use a single water inlet valve with a secondary valve for the ice maker. The secondary valve is a common failure point. On LG French door models, the ice maker may be in the fridge compartment rather than the freezer. LG’s ThinQ models sometimes display error codes when the ice maker fails.
Samsung Refrigerator Ice Maker Not Making Ice But Water Works
Samsung fridges often use an infrared ice level sensor. The sensor can be confused by frost on the lens. Samsung’s ice maker assembly is usually accessible behind the freezer rear panel. On Samsung French door models, the ice maker may be in the fridge door.
Whirlpool Refrigerator Ice Maker Not Making Ice But Water Works
Whirlpool fridges often use a bail arm ice level sensor. The arm can get stuck if ice builds up around it. Whirlpool’s water inlet valve is usually a dual-valve assembly with separate solenoids.
Frigidaire Refrigerator Ice Maker Not Making Ice But Water Works
Frigidaire’s ice maker assembly is usually a modular unit. Frigidaire Gallery models use the same assembly as the standard models. The water inlet valve is usually a dual-valve assembly.
GE Refrigerator Ice Maker Not Making Ice But Water Works
GE fridges often use a combination of mechanical and infrared ice level sensors. GE Profile models use the same basic ice maker design as standard GE models.
KitchenAid Refrigerator Ice Maker Not Making Ice But Water Works
KitchenAid fridges are Whirlpool-designed. The diagnostic approach is the same as Whirlpool. KitchenAid models often use a flex-tray ice maker.
Maytag Refrigerator Ice Maker Not Making Ice But Water Works
Maytag fridges are Whirlpool-designed. The diagnostic approach is the same. Maytag models often use a bail arm ice level sensor.
Kenmore Refrigerator Ice Maker Not Making Ice But Water Works
Kenmore fridges are manufactured by Whirlpool, LG, or other brands depending on the model year. Identify the manufacturer first, then apply the appropriate testing.
Repair Cost Guide
| Component | DIY Part Cost | Professional Fitted |
|---|---|---|
| Ice maker water inlet valve | $20 to $60 | $150 to $300 |
| Ice maker assembly | $50 to $150 | $200 to $400 |
| Ice level sensor | $15 to $40 | $100 to $200 |
| Control board | $100 to $250 | $250 to $500 |
| Water filter | $20 to $50 | $20 to $50 |
When to Repair vs Bin
Repair if:
The fault is the ice maker’s water inlet valve, ice level sensor, or water filter
The fridge is under eight years old
The repair cost is under half the cost of a new fridge
The fridge has no other faults
Bin if:
The fault is the compressor or the sealed system
The fridge is over 12 years old and has a control board fault
The fridge has multiple failed components
The repair cost exceeds half the cost of a new fridge
FAQ
Why is my ice maker not making ice but the water dispenser works?
The two share a water supply but use different solenoids on the water inlet valve. The ice maker’s solenoid has likely failed.
Why does the ice maker’s valve fail but not the dispenser’s?
The two solenoids are independent. One can fail while the other continues to work. The ice maker’s solenoid cycles more often, so it can wear out sooner.
How do I test the ice maker’s water inlet valve?
With the fridge unplugged, test the ice maker solenoid’s terminals for continuity. A good solenoid reads 200 to 500 ohms.
Why does my ice maker produce no ice but the bin is empty?
The ice level sensor may be stuck in the “full” position, or the ice maker’s water inlet valve has failed.
Is it worth replacing the ice maker’s water inlet valve?
Yes. The part is $20 to $60, and the repair is straightforward. It’s one of the cheapest fixes on a refrigerator.
How do I know if the ice maker assembly has failed?
If the ice maker fills with water and freezes but doesn’t eject, the ejector motor or mold heater has failed. Both are part of the assembly.
Get the Complete Diagnosis
Need to determine exactly why your ice maker isn’t working but the water is?
The complete diagnostic guide takes you beyond the basic checks and walks through the diagnostic process step by step.
The complete guide includes:
Confirming the fault is isolated to the ice maker
Testing the ice maker’s water inlet valve with expected readings
Testing the ice maker assembly component by component
Testing the ice level sensor for all three sensor types
Testing the control board
Brand-specific notes for LG, Samsung, Whirlpool, Frigidaire, GE, KitchenAid, Maytag, and Kenmore
Repair and replacement considerations
Repair-or-bin guidance
Refrigerator Ice Maker Not Making Ice But Water Works Repair Guide
Complete diagnostic guide for refrigerators where the water dispenser works but the ice maker doesn’t.
What’s included:
Diagnosis for this specific fault
Step-by-step testing procedures with expected readings
Ice maker water inlet valve testing
Ice maker assembly diagnosis
Ice level sensor testing
Control board testing
Brand-specific notes
Required checks and tools
Repair information
Replacement considerations
Repair-or-bin guidance
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