How to Clean an Ice Maker Machine (Step-by-Step)

Regular cleaning keeps your ice clear, odor-free, and safe to eat. Mineral scale from hard water and biofilm can build up inside, affecting both taste and machine performance. Before you start, check your owner’s manual—some models have specific cleaning instructions or require a particular cleaner. Always unplug the machine before cleaning any electrical parts.

What You’ll Need

White vinegar or a commercial ice maker cleaner (citric acid based)
Soft cloths or sponges (non-abrasive)
Small brush (like a bottle brush) for tight spots
Bucket or large bowl to catch water
Clean towel for drying
Optional: food-safe sanitizer (e.g., diluted bleach solution)

Step-by-Step

Unplug and empty. Disconnect the power cord. Remove the ice bin and discard any remaining ice. If your unit has a water line, shut off the supply valve.
Remove removable parts. Take out the ice bin, scoop, and any detachable shelves or filters. Wash them in warm soapy water, rinse well, and set aside to dry.
Prepare cleaning solution. Mix a 1:1 solution of white vinegar and water, or follow the instructions on your commercial cleaner. For heavy scale, use full-strength vinegar.
Wipe down interior surfaces. Dip a cloth in the solution and wipe all inside walls, the ice mold, and the door gasket. Use a brush to reach crevices and around the evaporator coils if accessible.
Run a cleaning cycle (if available). Many machines have a self-cleaning function. Pour the cleaning solution into the water reservoir (or as directed), then run the cycle. This flushes internal lines and components.
Rinse thoroughly. After cleaning, run at least two full cycles with fresh water to remove any vinegar or cleaner residue. Discard the first batch of ice produced after cleaning.
Sanitize (optional). Mix 1 tablespoon of unscented bleach with 1 gallon of water. Wipe down all interior surfaces, then rinse again with fresh water. This step is especially important if you noticed mold.
Dry and reassemble. Wipe everything dry with a clean towel. Reinstall the bin and parts, plug the machine back in, and turn on the water supply. Wait for the first batch of ice and discard it.

Common Mistakes

Skipping the rinse: Leaving vinegar or cleaner residue can give ice an off-taste and may be harmful if ingested in large amounts.
Using harsh abrasives: Scouring pads or steel wool can scratch the plastic and metal surfaces, creating places for bacteria to hide.
Forgetting the water line: If your machine is connected to a water supply, the line can harbor scale and bacteria. Run cleaning solution through it if possible, or replace it periodically.
Not drying before reassembly: Moisture left inside encourages mold growth. Always dry thoroughly.
Cleaning while plugged in: Water and electricity don’t mix. Always unplug first.

Tips

Clean your ice maker every 6 months, or more often if you have hard water or use it heavily.
Use filtered water to reduce mineral buildup and improve ice clarity.
If your machine has a removable water filter, replace it according to the manufacturer’s schedule.
Keep the area around the ice maker ventilated to prevent dust buildup on the condenser coils.
For portable ice makers, descale more frequently—every 2-3 months—because they often use tap water.

Troubleshooting

Ice tastes like vinegar: You didn’t rinse enough. Run several more cycles with fresh water until the taste is gone.
Machine won’t start after cleaning: Check that it’s plugged in and the water supply is on. Some machines have a reset button—press it.
Ice still smells musty: Mold may be in the water line or internal tubing. Run a sanitizing cycle with bleach solution, then rinse thoroughly. If the smell persists, the water line may need replacement.
White flakes in ice: This is usually mineral scale. Descale more thoroughly with a citric acid cleaner, and consider using filtered water.
Machine is leaking: Check that the drain plug is secure and the water line connections are tight. Overfilling during cleaning can also cause leaks—dry up any spillage.

Frequently Asked Questions

How often should I clean my ice maker?

Every 6 months is standard, but if you have hard water or use it daily, clean every 2-3 months.

Can I use bleach to clean my ice maker?

Yes, but only a mild solution (1 tablespoon bleach per gallon of water) and only for sanitizing after cleaning. Rinse thoroughly afterward.

Do I need to descale my ice maker?

Yes, especially in hard water areas. Scale buildup reduces efficiency and can affect ice quality. Use a descaling solution or vinegar.

Can I clean my ice maker with vinegar?

Yes, white vinegar is effective for removing scale and mild odors. Mix equal parts vinegar and water, and rinse well.

Why does my ice smell bad?

Usually due to mold or bacteria. Clean and sanitize the interior, and check the water filter.

Is it safe to use commercial ice maker cleaners?

Yes, if they are food-safe and you follow the instructions. Always rinse thoroughly after use.

Sources: Whirlpool Home Appliances. Menus and buttons can differ slightly by version. Spotted something out of date? Tell us.