Symptoms
- Water keeps running well past the normal fill time
- Tray overflows into the bin or freezer floor
- Ice forms in large odd shapes or sheets
- Problem started suddenly during a cycle
Likely causes
- CommonDebris lodged in the water inlet valve keeping it openSediment or mineral buildup can prevent the valve from fully closing.
- CommonWorn valve diaphragm or seatRubber components inside the valve degrade over time and stop sealing properly.
- PossibleStuck solenoid in the electrical controlAn electrically stuck solenoid can hold the valve open even after the fill timer ends.
- Less commonIce maker control module malfunctionA faulty module may fail to send the stop signal to the valve at all.
What to do
- Shut off the water supply valve immediately to stop the overflow.
- Clean up any spilled water and check for damage to nearby flooring or cabinetry.
- Once stopped, unplug the freezer and inspect the fill valve area for visible debris if you're comfortable doing so.
- Do not turn the water supply back on until the valve has been tested or replaced.
- Replace the water inlet valve if debris or wear is visible, using the correct part for your model.
- If the valve looks fine externally, have a technician test the solenoid and control module before reconnecting water.
Tools and parts
- Adjustable wrench
- Towels
Water inlet valveSearch: “refrigerator ice maker water inlet valve”
When to call a pro
If the valve or control module needs replacement and you're not comfortable with the water line work, have an appliance technician handle it.
Safety
Use caution
Shut off the water supply valve right away to prevent water damage before doing any further troubleshooting.