25303 - Egg cooker KORONA - Free user manual and instructions
Find the device manual for free 25303 KORONA in PDF.
| Brand | Korona |
| Model | 25303 |
| Product type | Egg cooker / Mini steamer |
| Maximum egg capacity | 16 eggs |
| Main functions | Cooking soft-boiled, medium-boiled, hard-boiled, poached eggs; steaming vegetables, fish, meat |
| Voltage | 220 - 240 V ~ 50 Hz |
| Maximum water level | 400 ml |
| Automatic shut-off | Yes, when cooking without water |
| Thermal safety | Yes, thermal cut-off |
| Housing material | Plastic |
| Included accessories | Measuring cup with egg piercer, 2 egg trays/steamer baskets, poaching dish, steaming rack, cable guide, cable storage |
| Cleaning | Clean with a damp cloth, descale regularly with vinegar or mild descaler |
| Warranty | 2 years |
| Customer service | KORONA Service, Germany; email: service@korona-electric.de |
| Use | Private domestic use, indoors only |
| Maintenance | Descaling every 3 to 6 months depending on water hardness |
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USER MANUAL 25303 KORONA
Egg Boiler / Mini-Steamer
Dutch
Handleiding
Eierkoker / Mini-Stomer
Français
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Black-and-white photo of a halved fruit cut open to show interior, surrounded by small leaves (no text or symbols)
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Exterior view of a Korona® kitchen steamer with clear lid and control knob (no text or symbols on main body)CE
KORONA electric GmbH, Sundern/Germany
www.korona-electric.de
Before use, please read these instructions carefully and keep them in a safe place for future reference. When passing on the appliance to a third party, make sure to include these instructions for use.
This appliance is only intended for boiling and poaching eggs as well as for steaming small amounts of food. Never attempt to heat any other liquids or foods in it. This appliance is only intended for private household use!
Safety:

This symbol identifies hazards which may cause injuries!

This symbol warns of hot surfaces. Risk of burns!

This symbol identifies electric shock hazards!

This symbol warns of evaporating steam!

General Safety Instructions
- Manufacturer takes no responsibility for any damage caused by incorrect use.
- Incorrect or improper use can damage the appliance and cause injuries to the user.
- Before connecting this appliance to the mains, make sure your local voltage matches the technical data of the appliance. Otherwise the appliance may overheat and get damaged.

Caution! Danger of electric shock!
- Never put the appliance, cord or plug into water or any other liquid.
- Do not use the appliance near a sink or wash basin.
- Do not use the appliance with wet hands.
- Do not use the appliance outdoors.
An electric appliance is not a toy!
- Never leave the appliance unattended during use.
- This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning the use of the appliance in a safe way and understand the hazards involved. Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children unless they are older than 8 and supervised.
- Keep the appliance and its cord out of reach of children less than 8 years.
- Always unplug your appliance when it is not in use, and before cleaning.
- Always pull the plug – not the cord.
- Keep the appliance and the cord well away from any hot surfaces to avoid any damage to the appliance.
- Make sure the cord may not inadvertently be pulled or cause anyone to trip when in use. Do not allow the cord to hang over sharp edges.
- Do not bend the cord or wind it round the appliance.
Do not use the appliance,
- if the cord is damaged.
• in case of malfunction. - if the appliance was dropped or is damaged otherwise. Have it checked and, if necessary, repaired by a qualified person/Customer Service. Never attempt to make any modifications to or repair the appliance yourself.
- Only use accessories evaluated for use with this appliance.
- Never attempt to drive any objects into the appliance.
- Never attempt to open the housing yourself!
- The appliance is not intended to be operated by means of an external timer or separate remote-control system.
Special Safety Instructions

Warning! To avoid the possibility of injury/damage to the appliance, electric shock, and risk of burns.
- Your egg boiler is only intended for boiling eggs or for steaming small amounts of food (e.g. vegetables, fish, meat). Never attempt to heat any other liquids or foods in it.
- Never add any seasoning (e.g. salt, pepper, etc.) to the water.
- Always fill the water tray with sufficient amount of water during the steaming process, but do not exceed the max. water level.
- Do not cover the water tray with any aluminium foil or any other material, this could lead to overheating of the appliance and may cause serious damage or may lead to injuries of the user.
- Place the appliance on an even and heat-resistant surface.
- Do not place the egg boiler near any inflammable objects.
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Never operate the appliance without water.
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Never exceed the max. water level indication inside the appliance (400 ml) to avoid any boiling water from spilling from the water tray. Danger of serious burns!
- Do not use the appliance without egg/steaming tray or lid.
- Never open the lid during operation.
- During use, hot team escapes through the steam vent on top of the lid. Do not touch or cover it when in use.
- Attention: The temperature of accessible surfaces may be high during operation. Therefore, do not touch the appliance during and/or immediately after operation. Only use the handle.
- Do not move the appliance during operation.
- Let the appliance completely cool down before cleaning.

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1 2 3 4 5 6 7 8 9 10 KORONA®Product Description
- Steam vent
- Lid with handle
- 2 egg / steaming trays with handle
- Steam rack for second egg tray
- Insert for poaching eggs
- Water tray
- On/off switch with indicator light
- Cable guide (rear side)
- Cable storage (rear side)
- Power cord and plug
- Measuring cup with integrated egg piercer
Before First Use
- Remove all packaging material and check whether the appliance is complete.
- Fully unwind the power cord (10) and make sure that the power cord is clamped into the cable guide (8) (rear side).
- Place the appliance on an even and heat resistant surface Do not place it on top of a metal surface.
- Clean the appliance as described under Cleaning and Care.

Warning: Plastic bags are a danger to toddlers and es, therefore keep them away to avoid suffocation.
Cooking times / Amount of water to be used
| First layer | Amount of eggs | Doneness | Amount of water | Time |
| 2 Eggs Soft | 50 ml | approx. 6 Min | ||
| Medium | 70 ml | approx. 10 Min | ||
| Hard | 100 ml | approx. 12 Min | ||
| 4 Eggs Soft | 60 ml | approx. 9 Min | ||
| Medium | 80 ml | approx. 12 Min | ||
| Hard | 120 ml | approx. 14 Min | ||
| 6 Eggs Soft | 50 ml | approx. 8 Min | ||
| Medium | 70 ml | approx. 12 Min | ||
| Hard | 80 ml | approx. 14 Min | ||
| 8 Eggs Soft | 60 ml | approx. 9 Min | ||
| Medium | 80 ml | approx. 12 Min | ||
| Hard | 100 ml | approx. 14 Min |
| Second layer | |||
| 12 Eggs Soft | 60 ml | approx. 13 Min | |
| Medium | 80 ml | approx. 15 Min | |
| Hard | 100 ml | approx. 17 Min | |
| 16 Eggs Soft | 60 ml | approx. 14 Min | |
| Medium | 80 ml | approx. 16 Min | |
| Hard | 100 ml | approx. 18 Min | |
| Scrambled Eggs 220 g Seasoned, scrambled (black insert) | 140 ml approx. 11 Min | ||
| 4 Poached Eggs Eier 220 g (black insert) | 140 ml approx. 10 Min | ||
Note: The cooking times may vary according to size resp. weight of the egg. Only cook eggs of the same size and weight at the same time.
Operation
You may boil 8 - 16 eggs or poach 4 eggs with this egg boiler.
Boil eggs
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Fill the provided measuring cup (11) with the resp. amount of cold water (see “Cooking times / Amount of water to be used”) and pour the water into the water tray (6).
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Carefully, pierce the blunt end of the eggs with the egg piercer (11) and place them blunt size down on the egg tray (3). This should reduce the risk of the eggs cracking during the boiling process.

Warning: Risk of injury!
Handle the measuring cup (11) carefully, as the integrated egg piercer (11) is extremely sharp.
- Place the egg tray (3) with the eggs properly onto the water tray (6) and close the lid (2).
- Connect the power plug (10) to a properly installed wall socket.
- Switch on the appliance by turning the on/off switch to the respective time setting. Refer to "Cooking times". The integrated indicator light lights up.
- The water starts to heat up. The buzzer sounds once the set time is reached or once the water is evaporated. The indicator light starts blinking.
- Switch off (7) (Off-Position) the appliance and disconnect it from the mains.
- Carefully, lift off the appliance lid (2) by its handle, hot steam might evaporate.
- Lift off the egg tray (2) by its handle and briefly rinse the eggs under cold tap water. They are now ready to be served.

If you wish to boil 16 eggs or more than 8 eggs, it the steam rack (4) for the second egg tray on top e first egg tray and follow above steps.
Note: We recommend to use medium size eggs. Depending on the size, number and freshness of the eggs, the results may vary slightly. In addition, if the eggs are not removed immediately after the boiling process has stopped, they will continue to harden.
Poaching eggs
- Fill the provided measuring cup (11) with the resp. amount of cold water (see “Cooking times / Amount of water to be used”) and pour the water into the water tray (6).
- Crack one egg or more into the insert for poaching eggs (5).
- Place the egg tray (3) (without eggs) onto the water tray (6) and place the insert for poaching eggs (5) on top.
Or
insert the steam rack (4), place the second egg tray (3) and place the insert for poaching eggs (5) on top.
- Close the lid (2) and connect the power plug (10) to a properly installed wall socket.
- Switch on the appliance by turning the on/off switch to the respective time setting. Refer to “Cooking times”. The integrated indicator light lights up.
- The water starts to heat up. The buzzer sounds once the set time is reached or once the water is evaporated. The indicator light starts blinking.
- Switch off (7) (Off-Position) the appliance and disconnect it from the mains.
- Carefully, lift off the appliance lid (2) by its handle, hot steam might evaporate.
- Lift off the insert for poaching eggs (5) and serve the eggs.

Caution: Risk of burns!
During use, hot team escapes through the steam vent (1) on top of the lid (2). Do not touch or cover it when in use. The egg trays and (3) and inserts (4 / 5) get very hot during use, therefore, only lift them off by their handles or if necessary use pot handlers.
Steaming function
Water amount to be used
- 140 ml for steaming times up to 16 minutes.
- 200 ml for steaming times from 17 minutes upwards.
Steaming small amounts of food
- Pour the respective amount of water into the water tray (6).
- Place the steaming tray (3) onto the water tray (6) and distribute the food evenly on the steaming tray (3) to guarantee an even cooking result.
Make sure that all food pieces are cut / prepared to a similar size to obtain the best cooking result.
- Close the lid (2) and connect the power plug (10) to a properly installed wall socket.
- Switch on the appliance by turning the on/off switch to the respective time setting. Refer to the table underneath The integrated indicator light lights up.
- The water starts to heat up. The buzzer sounds once the set time is reached or once the water is evaporated. The indicator light starts blinking.
- Switch off (7) (Off-Position) the appliance and disconnect it from the mains.
- Carefully, lift off the appliance lid (2) by its handle, hot steam might evaporate.
| Food Preparation Weight Steaming | Time | ||
| Broccoli(fresh) | Cut into small florets | 150 g 11 | Min |
| Whole green beans (fresh) | 150 g 16 | Min | |
| Cauliflower(fresh) | Cut into small florets | 150 g 15 | Min |
| Carrots(fresh) | Cut into small slices | 150 g 15 | Min |
| Green asparagus(fresh) | Shorten to fit onto steam tray | 200 g 18 | Min |
| Zucchini Cut into small slices | 150 g 9 | Min | |
| Mushrooms Halved (big)Whole (small) | 150 g 7 | Min | |
| Carrots & peas (frozen) | do not defrost 150 g | 14 Min | |
| Salmon fillet 2 | fillets portioned 300 g | 12 Min | |
| Sausage (e.g. Wiener) | 2 pcs 240 g 16 Min | ||

Note:
- The a.m. steaming time is only approximate.
- The time can vary according to size, type, quantity, freshness and temperature (frozen) of the food placed onto the tray.
- All steaming times refer to the use of the lower steaming tray.
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If both steaming trays are used, the amount of water to be used remains the same, but ,the steaming time will be increased by approx. 30%.
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If you wish to cook foods with different cooking times together, use the lower steaming tray for the food with a longer cooking time and add the second steaming tray on top of the steam rack a little bit later.
- Always make sure that all the food is thoroughly cooked before serving.
Dry-boil cut-out
Your egg boiler/mini steamer is equipped with a boil-dry cut-out, which will switch off the appliance automatically, should it accidentally be operated without water or by not observing the minimum water level. In the event of such a safety cut-out, switch off the appliance immediately, unplug it and let it cool down for approx. 10 minutes. Afterwards, the appliance is ready for use again.
Thermal safety cut-out
This egg boiler/mini steamer has a thermal safety device. In case of thermostat failure, the electrical circuit has an automatic cut-out, thus preventing overheating.
Cleaning and Care
Due to hygienic reasons clean the appliance best after each use, and remove any remaining water or food residues. Not doing so could possibly result in a hazardous situation.

Before cleaning, always switch off the appliance and disconnect it from the mains and let it completely cool down.
Never immerse the appliance in water. Danger! Electric Shock!
Clean the body of the appliance and the water tray (6) with a moistened soft cloth.
Do not use any aggressive cleaning agents and/or other hard objects to clean the appliance.
Remove calcium deposits in the water tray (6) by mixing a solution of water and vinegar. Wipe again with a moistened soft cloth.
Clean the lid (2), egg / steam trays (3) and the other inserts (4 / 5) under running tap water or if necessary in warm water using some dishwashing detergent Dry all parts including the water tray (6) with a soft cloth.
The accessories are not dishwasher safe.
DESCALING
Descale your appliance in regular intervals (approx. every 3 – 6 months), depending on the frequency of use and the local water quality.
Never use any sharp, pointed or metal objects to remove limescale built up in the appliance.
To remove limescale, use a common gentle descaler, which is suitable for your appliance.
Put some of the descaler liquid onto a soft moistened cloth and apply it to the water tray. Leave it on for a while and then remove it thoroughly with a wet cleaning sponge. Make sure to dry it properly afterwards.
Storage
After use, store the appliance in a clean and dry place and keep it out of the reach of children.
Disposal Instructions

Waste electrical devices marked with this sign must not be disposed of with your household waste, but are to be collected separately. Therefore, please return this device at the end of its life cycle to special on points for disposal or your local dealer.
Your Egg Boiler 25303 is packed in a retail box. Such boxes are recyclable waste, i.e. they are reusable or recyclable.
Technical Data:
Voltage: 220 - 240 V \~ 50 Hz
Rated Power: 500 W
Protection Class: I
Technical data subject to change!
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Guarantee:
This product is guaranteed against defects in materials and workmanship for a period of 2 years.
This guarantee is not valid:
- if the appliance has not been used in accordance to the instructions
• for damages due to wear and tear (batteries, etc.)
• for damages known by customer at time of purchase
• for damages caused by owner
This guarantee does not affect your statutory right, nor any legal right you may have as a costumer under applicable national legislation governing the purchase of goods.
In order to assert his/her right in a guarantee case during the guaranteed period, the customer must provide evidence of the date of purchase (receipt).
The guarantee is to be asserted against
KORONA electric GmbH, Sundern/Germany.
Service Address:
KORONA Service, Am Steinbach 9, 59872 Meschede, Germany
Telephone Hotline: 02933 90284-80
Mail: service@korona-electric.de
web: www.korona-electric.de
within 2 years after the date of purchase. In case of guarantee the customer is given the right to get the appliance repaired at our own or at an authorized shop. Further rights (due to guarantee case) are not given to the customer.
Beoogd gebruik
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Abstract geometric shape with curved and angular gray segments, no text or symbols presentRef: 25303/20-2017.11