Start with the water reservoir and drain valve

The water reservoir is where bacteria and mineral buildup start, so cleaning it first stops contamination from spreading to the ice. Unplug the machine, then locate the drain valve at the bottom front—it looks like a small plastic tap. Place a shallow pan underneath and open it fully to empty all standing water. This water sits stagnant between uses and can smell sour or taste off.

Once drained, remove the reservoir tank itself (usually a plastic container that pulls straight out from the top or side). Rinse it under warm running water and scrub the inside with a soft sponge or cloth. Pay attention to the corners and the bottom, where sediment collects. If you see white, chalky buildup, that is mineral scale from your tap water—use a cloth dampened with white vinegar to wipe it away, then rinse thoroughly with fresh water.

Key Takeaways

  • Empty the drain valve completely before any other cleaning step, and place a pan underneath to catch water.
  • Wipe the water reservoir, ice basket, and ice chute with a vinegar-dampened cloth monthly to prevent mineral scale and mold.
  • Run a cleaning cycle with a commercial ice maker cleaner or white vinegar solution every three to six months, depending on your water hardness.
  • Never use bleach or abrasive scrubbers on plastic parts, as they can crack the reservoir or damage the machine's interior.

Clean the ice basket and chute

The ice basket—the bin where finished ice collects—can develop mold or mildew if moisture sits in it too long. Remove the basket by lifting it straight up and out. Wash it with warm soapy water and a soft sponge, then dry it completely with a clean cloth before replacing it. Do not put it back damp, because standing water in the basket breeds bacteria.

The ice chute, the channel where ice slides down into the basket, is harder to reach but just as important. Use a damp cloth or soft brush to wipe down the inside walls of the chute. If ice has stuck and hardened there, pour a small amount of warm water down the chute to soften it, wait a minute, then wipe again. Never force anything into the chute or use sharp tools, as you can crack the plastic.

Run a deep cleaning cycle with vinegar or commercial cleaner

Every three to six months (more often if your tap water is hard), run a cleaning cycle to flush mineral deposits from the internal lines. Check your machine's manual for the exact steps, as different models have different procedures. Most machines have a "clean" or "rinse" button that you set up after adding a cleaning solution.

You have two options for cleaning solution. The first is white vinegar: fill the reservoir with equal parts white vinegar and water, then run the clean cycle. The machine will pump this mixture through the internal lines and dispense it into the ice basket. The second is a commercial ice maker cleaner, which you can order online or find at appliance supply stores—follow the package instructions for dilution and cycle time. After the cycle finishes, empty the basket and run two more cycles with fresh water only to rinse out all traces of vinegar or cleaner.

Wipe the exterior and check the water filter

The outside casing collects dust and fingerprints. Unplug the machine and wipe the exterior with a soft, slightly damp cloth. Use a dry cloth to finish so water does not pool around the seams. Pay special attention to the air vents on the sides or back—dust buildup there makes the compressor work harder and shortens the machine's life.

If your tabletop ice maker has a replaceable water filter (not all models do), check it now. The filter sits inside the reservoir or in a cartridge holder on the side. If it looks discolored or you cannot remember when it was last changed, replace it according to the manual. A clogged filter slows ice production and lets minerals through into the machine.

Prevent buildup between deep cleans

Monthly maintenance stops problems from building up. Once a month, empty the ice basket, wipe it dry, and leave it out for an hour so air circulates inside. Wipe the ice chute with a damp cloth. If you notice the ice smells or tastes off, drain the reservoir and refill it with fresh water—stagnant water is usually the culprit.

If your tap water is very hard (you will see white scale on faucets or inside kettles), consider using filtered or distilled water in the reservoir. This cuts mineral buildup dramatically and means you can stretch the deep cleaning cycle to every six months instead of every three. Hard water does not damage the machine, but it does make it work harder and produce less ice over time.

When to call a technician

If the machine stops making ice after cleaning, or if water leaks from the bottom, do not try to fix it yourself. The internal pump and refrigeration lines are sealed and require professional service. The same goes if the ice tastes metallic even after running multiple rinse cycles—that usually means corrosion inside the lines, which a technician can assess.

If cleaning does not improve slow ice production or weak water flow, the problem may be a clogged internal line or a failing pump. These are not field repairs. Contact the manufacturer's support line with your model number, or search for a local appliance repair shop that handles ice makers.

Frequently Asked Questions

Can I use bleach to clean the inside of my ice maker?

No. Bleach can crack plastic parts and leave a toxic residue that contaminates ice. Stick to white vinegar or a commercial ice maker cleaner designed for the job. Both are safe and effective.

How often should I replace the water filter?

Most filters last three to six months, depending on your water quality and how often you use the machine. Check the manual for your model—some have a filter indicator light that tells you when to change it. If you use hard tap water, replace it every three months.

Why does my ice smell like plastic?

New machines often have a plastic smell in the first few batches of ice. Run the machine for an hour, discard that ice, then run it again. If the smell persists after two full cycles, drain the reservoir, refill with fresh water, and run another cycle. Plastic smell usually fades within a day or two of normal use.

What should I do if water leaks from under the machine?

First, check that the drain valve is fully closed—a loose valve is the most common cause. If it is closed and water still leaks, unplug the machine and let it sit for 30 minutes to see if the leak stops. If it continues, the internal pump or a line connection may be damaged, and you will need a technician to inspect it.

Is distilled water better than tap water for the reservoir?

Distilled water eliminates mineral buildup and extends the time between deep cleans, but it is not required. If your tap water is soft or medium hardness, regular tap water is fine. If you have very hard water (visible scale on faucets), distilled water will save you cleaning time and help the machine last longer.