Answers to Questions

Answers to questions

Why is the lamp not on?

Why is the vapor emitted from the air discharge outlet? Why is there water overflowing below the door?

Can the microwave leak from the view window of the door?

If start the microwave oven without load of food, will it damage the oven?

1.The lamp is bad.

2.The timer is not set.

It is normal that the vapor may emit during cooking. Some- times as the vapor is too thick and gathered inside the oven, finally condensed into water and flows out. It is normal phenomenon.

No. The metal shelter can reflect the energy back into the oven. The view window only allows harmless light to pass through. The microwave can not pass through.

Yes. NEVER do that.

Why does the food need to be laid aside after cooking?

Why is it not so quick as stated in the manual to cook with my microwave oven?

It is important to lay the food aside for several minutes. Cooking by microwave oven makes the food gathering heat inside. After you take out the food from the oven, the in- side of the food will continue heating for 2-3 minutes. It can cook the jointer of the food, big block of vegetables or cookies completely outside the oven by laying aside.

Check the user’s manual. Confirm that you follow the instruction completely. Find out the reason for setting different times. The setting of cooking time is only for reference. To avoid excess cooking, you shall learn the technology of cooking with microwave. The volume, weight and shape of the food can all influence the cooking. Take the instruction as reference, and learn it independently.

Why is there lightening or cracking sound during cooking sometimes?

It may be owing to following:

1.Dishware with metal part is used (including gold and silver);

2.Fork or other metal dishware are left in the oven;

3.Too many metallic foil are used;

4.Metallic thread is used to bind the food.

In maintenance, the technicians shall pay attention that:

Components that are easy to dismantled and likely to touch voltage above 250V:

1.Magnetron

2.High-voltage transformer

3.High-voltage capacitor

4.High-voltage diode

5.AK rectifier

Components that may cause excess microwave leakage:

1.Improper installation of the magnetron on the wave guide

2.Improper adjusting of the door hook, door body and up/down hinges

3.Door body and shell are damaged

The above problems can cause excess microwave leak- age

Microwave radiation

Do not expose yourself inside the radiation of the microwave generator or other components that transfer the microwave energy.

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Haier HR-7857A user manual Answers to Questions, Maintenance, the technicians shall pay attention that
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HR-7857A specifications

The Haier HR-7857A is a modern, versatile refrigerator that combines style and functionality, making it an excellent choice for contemporary homes. This refrigerator not only stands out due to its sleek design but also offers a range of features tailored to meet the needs of today's consumers.

One of the main characteristics of the Haier HR-7857A is its spacious interior. With a total capacity that's perfect for medium to large households, it provides ample storage options for a variety of food items. The smart organization of its interior includes adjustable shelves, door bins, and crispers that allow users to optimize space according to their needs. The inclusion of a dedicated vegetable crisper ensures that fresh produce remains crisp and retains its nutrients for a longer duration.

The refrigerator is equipped with advanced cooling technology, which includes a multi-air flow system. This feature helps maintain an even temperature throughout the unit, ensuring that food stays fresher for an extended period. The Haier HR-7857A also features an energy-efficient compressor, which contributes to lower energy consumption without compromising on performance. This makes it an environmentally friendly choice for households looking to reduce their carbon footprint and utility bills.

Another impressive feature is the frost-free operation. This means that users no longer have to deal with the hassle of manual defrosting, as the refrigerator ensures that ice buildup is kept at bay. The Haier HR-7857A also includes an adjustable temperature control, allowing users to customize the cooling settings according to their specific storage requirements.

In addition to its functional features, safety is a top priority with the HR-7857A. It is equipped with a door alarm that alerts users when the refrigerator door has been left open, preventing food spoilage. The design also incorporates a child lock feature to enhance safety in households with young children.

Overall, the Haier HR-7857A merges aesthetic appeal with innovative technology, creating a user-friendly appliance that enhances the kitchen's functionality. With its combination of capacity, advanced cooling features, and attention to energy efficiency, this refrigerator is a reliable addition to any modern home, catering to the diverse needs of families while ensuring top-notch food preservation.
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