KitchenAid ice maker leaking water

A standalone ice maker leaks when melt water cannot drain away (a kinked, blocked or too-high drain line, or a drain pump problem), when the supply connection drips, or when water inside the unit misses the reservoir because a tube, cap or valve is out of place. Check the drain path and the supply connection first.

Quick checks first

• Find where the water appears: at the back (supply or drain connections), under the unit, or inside the bin.
• Check that the drain hose is not kinked, crushed or raised above the level your installation instructions allow.
• If the unit uses a drain pump plugged into a separate outlet, check that the outlet has power and the pump vent and hose are clear, as your owner's manual describes.
• Look at the water supply connection at the shutoff valve and at the back of the unit for drips.
• Check that the unit is level so melt water flows toward the drain.

Drain line and gravity drain Owner check

Ice in the bin melts continuously and the water must leave through a drain. A kinked hose, a hose run uphill, or a clogged floor drain lets water back up into the bin and eventually onto the floor. The documentation links a slow or defective drain to water backing into the bin. Gravity drains need a continuous downward slope from the unit to the drain.

Drain pump Owner check

Units installed without a floor drain often use a drain pump. The documentation lists a pump outlet without power, a kinked drain hose, a blocked screen and a blocked vent outlet or hose. If the pump cannot run or vent, water rises in the bin and can overflow. Follow your owner's manual for what you can check; anything inside the pump is technician work.

Supply connection Owner check

Drips at the shutoff valve, at compression fittings or at the back of the unit are the next place to look. Hard Las Vegas water leaves white mineral crust where a fitting has been seeping for a while. Tightening a household fitting gently is reasonable; if the leak is at the unit's own valve, it needs a technician.

Inside the unit Technician

The documentation lists a reservoir cap that is loose or missing, a return tube out of the reservoir and an inlet tube out of position. Any of these sends water somewhere other than the reservoir, and it ends up in the bin or cabinet. A seeping inlet valve adds water continuously. A technician opens the unit, re-seats the tubes and cap, and checks the valve.

Condensation and insulation Technician

Cold surfaces inside the cabinet can sweat if insulation is damaged or a door gasket does not seal, and the water collects under the unit. This is less likely in dry Las Vegas air but possible in a humid room. A technician checks the door seal and looks for wet insulation.

Repair cost

Typical total ranges for the Las Vegas area, parts and labor included. The final cost depends on diagnosis, the exact model, parts availability and whether other damage is found.

When to call for diagnosis

Call for service if water keeps appearing after the drain and supply connections are checked, or if the bin keeps filling with water. Turn off the water supply if the leak is active.