Whirlpool GU970 White spots on cookware with non-stick finish, Black or gray marks on dishes

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NOTE: To remove spots and film from dishes, try a white vinegar rinse. This procedure is intended for occasional use only. Vinegar is an acid and using it too often could damage your dishwasher.

1.Wash and rinse dishes. Use an air-dry or an energy- saving dry option. Remove all silverware or metal items.

2.Put 2 cups (500 mL) white vinegar in a glass or dishwasher-safe measuring cup on the bottom rack.

3.Run the dishwasher through a complete washing cycle using an air-dry or an energy-saving dry option. Do not use detergent. Vinegar will mix with the wash water.

■Silica film or etching (silica film is a milky, rainbow- colored deposit; etching is a cloudy film)

Sometimes there is a water/chemical reaction with certain types of glassware. This is usually caused by some combination of soft or softened water, alkaline washing solutions, insufficient rinsing, overloading the dishwasher, and the heat of drying. It might not be possible to prevent the problem, except by hand washing.

To slow this process use a minimum amount of detergent but not less than 1 tb (15 g) per load. Use a liquid rinse aid and underload the dishwasher to allow thorough rinsing. Silica film and etching are permanent and cannot be removed. Do not use heated drying.

■White spots on cookware with non-stick finish

Has the dishwasher detergent removed cookware seasoning? Reseason cookware after washing in the dishwasher.

■Brown stains on dishes and dishwasher interior

Does your water have high iron content? Rewash dishes using 1-3 tsp (5-15 mL) of citric acid crystals added to the covered section of the detergent dispenser. Do not use detergent. Follow with a Normal wash cycle with detergent. If treatment is needed more often than every other month, the installation of an iron removal unit is recommended.

■Black or gray marks on dishes

Are aluminum items rubbing dishes during washing? Disposable aluminum items can break down in the dishwasher and cause marking. Hand wash these items. Remove aluminum markings by using a mild abrasive cleaner.

■Orange stains on plastic dishes or dishwasher interior

Are large amounts of tomato-based foods on dishes placed in the dishwasher? Stains can gradually fade over time. Regular use of heated drying will slow fading. Stains will not affect dishwasher performance. Regular use of a rinse cycle and an air-dry or energy-saving dry option will reduce the likelihood of staining.

Dishes do not dry completely

■Dishes are not dry

Did you load your dishwasher to allow proper water drainage? Do not overload. Refer to the “Dishwasher Loading” section. Use a liquid rinse aid to speed drying.

Are the plastics wet? Plastics often need towel drying.

Is the rinse aid dispenser empty? Refer to the “Rinse Aid Dispenser” section.

Did you use an air-dry or energy-saving dry option? Use a heated drying option for dryer dishes.

Dishes are damaged during a cycle

■Chipping of dishes

Did you load the dishwasher properly? Load the dishes and glasses so they are stable and do not strike together from washing action. Minimize chipping by moving the rack in and out slowly.

NOTE: Antiques, feather-edged crystal, and similar types of china and glassware might be too delicate for automatic dishwashing. Wash by hand.

Noises

■Grinding, grating, crunching or buzzing sounds

A hard object has entered the wash module (on some models). When the object is ground up, the sound should stop.

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Contents 8275178 DishwasherUse & Care Guide Table of Contents Your safety and the safety of others are very important Dishwasher SafetyBefore Using Your Dishwasher Control Panel Parts and FeaturesSTART-UP Guide Using Your New DishwasherStopping Your Dishwasher Loading SuggestionsTo adjust the top rack Adjustable top rackLoadingTop Rack Loading Bottom RackTo open the silverware basket Loading Silverware BasketFold-down tines DetergentDispenser Dishwasher USERinse Aid Dispenser Where to fillWater Hardness Amount of Detergent Checking the dispenserTo check water temperature Cycle Selection ChartsDishwasher Efficiency Tips Dispenser Regular tableware SectionsAdding ItemsDuringa Cycle Cancelinga CycleChanging a Cycle orSetting Option Selections Cycle Status IndicatorsLocked Drying SystemOverfillProtection Float Dishwasher Care CleaningDrain Air Gap StoringTroubleshooting Brown stains on dishes and dishwasher interior White spots on cookware with non-stick finishBlack or gray marks on dishes Orange stains on plastic dishes or dishwasher interiorFilter Module If you need replacement partsFor further assistance Our consultants provide assistance withPage 8275178 Whirlpool Corporation will not pay for

GU970 specifications

The Whirlpool GU970 is a stunning dishwasher that brings efficiency and advanced technology to the forefront of kitchen cleaning solutions. Designed for the modern household, the GU970 seamlessly merges powerful cleaning capability with user-friendly features, making it an ideal choice for busy families and culinary enthusiasts alike.

One standout feature of the Whirlpool GU970 is its advanced Wash System. This system utilizes a combination of multiple wash arms and specialized nozzles to ensure every dish—whether it's heavily soiled pots or delicate glassware—receives the thorough cleaning it requires. The dishwasher boasts an impressive 39 dBA noise level, allowing it to operate quietly in the background without disrupting daily life.

The GU970 also incorporates Precision Wash technology which uses a series of smart sensors to monitor how clean the dishes are throughout the cycle. This allows the machine to adapt its washing approach in real-time, optimizing water and energy usage while ensuring exceptional cleaning results. Additionally, the dishwasher features a variety of wash cycles including Heavy, Normal, and Quick, giving users the flexibility to select the right cycle for their needs.

Energy efficiency is another notable characteristic of the Whirlpool GU970. It comes with an ENERGY STAR certification, ensuring that it meets strict energy efficiency guidelines. This not only helps reduce utility bills but also promotes environmental sustainability.

In terms of storage and organization, the Whirlpool GU970 offers a spacious interior that can accommodate various dish sizes and types. The adjustable upper rack can be easily modified to fit taller items, while the fold-down tines on the lower rack provide versatility for loading. The innovative third rack is an added bonus, providing additional space for utensils and small items, thereby maximizing the washing capacity.

Moreover, the appliance is equipped with a convenient Control Lock feature, preventing accidental cycle interruptions, especially in homes with children. The stylish stainless steel finish complements any kitchen decor, making the GU970 both a functional and attractive addition to the space.

In summary, the Whirlpool GU970 dishwasher stands out for its powerful cleaning technology, energy-efficient design, and thoughtful features. With its innovative wash systems, adjustable racks, and quiet operation, it is a reliable partner in maintaining a clean and inviting kitchen. Whether it's daily dinnerware or a week's worth of cooked meal leftovers, the GU970 is engineered to tackle the challenges of dishwashing with ease and efficiency, setting a new standard in home cleaning appliances.
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