1. Okwu mmalite
This manual provides essential information for the safe and efficient operation of your HEINNER HMW-MD20MBK 20L Freestanding Microwave Oven. Please read it thoroughly before using the appliance and retain it for future reference.
The HEINNER HMW-MD20MBK is a compact 20-liter microwave oven designed for daily cooking and reheating tasks. It features a sleek black finish and a simple two-knob interface for intuitive operation. With 700 W of microwave output power (1050 W input), it is suitable for reheating leftovers, defrosting frozen foods, and light cooking. The mechanical timer allows for up to 35 minutes of continuous cooking, and a dedicated defrost function simplifies thawing by time or weight. The interior includes a rotating glass turntable for even heating and an internal light to monitor food.

Foto 1.1: N'ihu view of the HEINNER HMW-MD20MBK 20L Microwave Oven, showcasing ya dị obere imewe ojii.
2. Ntuziaka nchekwa dị mkpa
Mgbe ị na-eji ngwa eletriki, ekwesịrị ịgbaso ihe nchekwa nchekwa bụ isi, gụnyere ihe ndị a:
- Gụọ ntuziaka niile tupu i jiri ngwa.
- Anwala iji ọkụ ọkụ a meghere ụzọ n'ihi na nke a nwere ike ịkpata mmerụ ahụ na ike microwave.
- Edokwala ihe ọ bụla n'etiti ihu oven na ọnụ ụzọ ma ọ bụ kwe ka ala ma ọ bụ ihe fọdụrụ dị ọcha kwakọba n'elu ebe mkpuchi.
- Ejila oven rụọ ọrụ ma ọ bụrụ na ọ mebiri emebi. Ọ dị mkpa karịsịa na ọnụ ụzọ oven na-emechi nke ọma nakwa na ọ dịghị mmebi nke: (1) ọnụ ụzọ (ehulata), (2) hinges na latches (agbajikwa ma ọ bụ tọpụ), (3) ọnụ ụzọ na-ekpuchi elu.
- Onye ọ bụla ekwesịghị ịgbanwe ma ọ bụ rụzie oven ma ewezuga ndị ọrụ ruru eru nke ọma.
- A gaghị ekpocha ihe ọquụ Liụ ihe ọ Liụ Liụ ma ọ bụ ihe ọ inụ inụ ndị ọzọ n'ime ihe ndị e kechiri ekechi ebe ọ bụ na ha nwere ike ịgbawa.
- Jiri naanị arịa ndị kwesịrị ekwesị maka ojiji na oven microwave.
- Mgbe ị na-ekpo ọkụ nri n'ime akpa rọba ma ọ bụ akwụkwọ, lekwasị anya na oven n'ihi ohere nke ịgbanye ọkụ.
- Ọ bụrụ na ahụrụ anwụrụ ọkụ, gbanyụọ ma ọ bụ wepụ ngwa ahụ ma mechie ọnụ ụzọ ka ị kwụsị ire ọkụ ọ bụla.
- Ezubere ngwa a maka iji ndị mmadụ (gụnyere ụmụaka) nwere ike anụ ahụ, mmetụta uche ma ọ bụ nke uche, ma ọ bụ enweghị ahụmịhe na ihe ọmụma, ma ọ bụrụ na enyereghị ha nlekọta ma ọ bụ ntụziaka gbasara iji ngwa ahụ site n'aka onye na-ahụ maka nchekwa ha.
- Ekwesịrị ilekọta ụmụaka ka ha hụ na ha ejighi ngwa eji egwu egwu egwu.
3. Ngwa ngwaahịa
Familiarize yourself with the main parts of your microwave oven:
- Ọnụ ụzọ: Atụmatụ a viewing window and a safety interlock system.
- Bọtịnụ mwepụta ọnụ ụzọ: Pịa ka imepe ọnụ ụzọ oven.
- Ogwe njikwa: Contains the power selector and timer/defrost knob.
- Mgbaaka Turntable: Na-akwado turntable iko.
- Igwe ntughari: Ensures even heating by rotating food.
- Ọghe oven: The interior cooking space with an internal light.

Image 3.1: The interior of the microwave oven showing the glass turntable and oven light, with a bowl of food inside.
4. Ntọala na nwụnye
Proper installation is crucial for safe and efficient operation.
4.1 Nwepu
- Wepụ ihe niile e ji ekpuchi ihe n'ime oghere oven na n'ọnụ ụzọ oven.
- Lelee oven maka mmebi ọ bụla, dị ka dent ma ọ bụ ọnụ ụzọ na-adịghị mma. Ejila oven rụọ ọrụ ma ọ bụrụ na ọ mebiri emebi.
4.2 Ntinye
- Debe oven microwave n'elu ebe dị larịị, nke kwụsiri ike nke nwere ike ịkwado ibu ya na nri kachasị arọ nke enwere ike isi na ya.
- Ensure adequate ventilation. Allow at least 20 cm of space above the oven, 10 cm at the rear, and 5 cm on both sides. Do not block any ventilation openings.
- Debe oven ka ọ ghara isi iyi ọkụ na ebe magnetik siri ike.

Image 4.1: Diagram illustrating the dimensions of the microwave oven: 44 cm width, 33.6 cm depth, and 25.9 cm height, for proper placement.
4.3 Njikọ eletrik
- Tinye eriri ọkụ eletrik n'ime oghere eletriki a na-agbanye n'ala. Hụ na volt ahụ dị.tage and frequency match the specifications on the appliance rating label.
- Ejila eriri ndọtị ma ọ bụ ihe nkwụnye ọkụ.
5. Ntuziaka ọrụ
The HEINNER HMW-MD20MBK features mechanical two-knob controls for straightforward operation.

Foto 5.1: nso nso view of the microwave's control panel, showing the upper power selector knob and the lower timer/defrost knob.
5.1 Power Level Selection
The upper knob controls the microwave power level. Rotate this knob to select the desired power setting:
- Low (approx. 17%): For softening ice cream or gentle warming.
- Medium-Low (approx. 33%): For simmering or slow cooking.
- Medium (approx. 50%): For reheating or cooking delicate foods.
- Medium-High (approx. 67%): For faster cooking of most foods.
- High (approx. 100%): For rapid heating and boiling.
5.2 Setting the Cooking Time
The lower knob functions as both the timer and defrost selector. After selecting the power level, rotate this knob clockwise to set the desired cooking time (up to 35 minutes). The oven will start automatically once the timer is set.
5.3 Defrost Ọrụ
To defrost food, rotate the lower knob counter-clockwise to the 'DEFROST kg' settings. You can select defrost time based on the weight of the food item. The microwave will automatically adjust the power level for optimal defrosting.
- Tinye nri oyi kpọnwụrụ na ntụgharị iko.
- Select the appropriate defrost weight on the lower knob.
- The oven will begin defrosting. Turn the food periodically for even thawing.
5.4 Stopping Operation
- To stop cooking at any time, simply open the oven door. The safety interlock system will immediately cut power.
- To resume cooking, close the door.
- To cancel a cooking cycle, turn the timer knob back to the '0' position.
6. Nlekọta na nhicha
Nhicha mgbe niile na-enyere aka ịnọgide na-arụ ọrụ na ogologo ndụ nke oven microwave gị.
6.1 Nhicha mputa
- Jiri mgbasa ozi hichaa mpụtaamp akwa na ncha dị nro. Zere ihe nhicha ma ọ bụ ihe mgbaze.
- Gbaa mbọ hụ na mmiri adịghị abata n'ime oghere ikuku.
6.2 Ime ụlọ ihicha
- Clean the oven cavity immediately after spills to prevent stains and odors.
- Jiri mgbasa ozi hichaa ime imeamp cloth and mild detergent. For stubborn stains, place a bowl of water with lemon juice inside and heat for a few minutes to loosen residue, then wipe clean.
- The smooth enamel-coated interior walls resist stains and odors.
6.3 Turntable and Ring
- The glass turntable and turntable ring can be removed for cleaning. Wash them in warm, soapy water or in the dishwasher.
- Gbaa mbọ hụ na akpọọla ha kpamkpam tupu etinyeghachi ha na oven.
7. Ntuziaka nchọpụta nsogbu
Ọ bụrụ na ị zutere nsogbu na microwave gị, rụtụ aka na nsogbu na ngwọta ndị a na-emekarị:
| Nsogbu | Ihe nwere ike ime | Ngwọta |
|---|---|---|
| Igwe ọkụ agaghị amalite | E jighị waya ọkụ eletrik arụ ọrụ nke ọma. E mechighị ụzọ nke ọma. Fuse ahụ gbawara agbawa ma ọ bụ ihe mgbawa sekit agbajiela. | Ensure plug is firmly in outlet. Close door securely. Check household fuse or reset circuit breaker. |
| Nri abụghị kpo oku | Door not closed properly. Cooking time or power level set too low. | Close door securely. Adjust cooking time and power level. |
| Turntable anaghị atụgharị | Turntable or ring not correctly positioned. Food too large or heavy. | Reposition turntable and ring. Use smaller dishes or lighter food items. |
| Na-ekpo ọkụ n'ime oven | Metal or foil used in oven. Food residue on cavity walls. | Remove any metal objects. Clean oven cavity thoroughly. |
Ọ bụrụ na nsogbu ahụ dịgidere mgbe ịnwale azịza ndị a, biko kpọtụrụ nkwado ndị ahịa.
8. Nka na ụzụ nkọwa
| Njirimara | Nkọwapụta |
|---|---|
| Ụdị | HEINNER |
| Nọmba nlereanya | HMW-MD20MBK |
| Ike | 20 lita |
| Ike Mmepụta Microwave | 700 Watt |
| Ike ntinye | 1050 Watt |
| Ụdị njikwa | Nkịtị Mekaniki |
| Ihe onwunwe | Glass (turntable) |
| Akụkụ ngwugwu | 48 x 38 x 31 cm |
| Ibu | 12 n'arọ |
9. Akwụkwọ ikike na nkwado
Your HEINNER HMW-MD20MBK Microwave Oven is covered by a 3-afọ emeputa akwụkwọ ikike on parts and labor. This warranty is valid when the product is properly installed and maintained according to the instructions provided in this user manual.
For warranty claims, technical support, or service inquiries, please contact your retailer or the HEINNER customer service department. Please have your model number (HMW-MD20MBK) and proof of purchase ready.

Image 9.1: Official HEINNER 3-Year Warranty badge, signifying reliable after-sales support.