1. Sigurnosna uputstva
Please read all instructions carefully before using the KOIOS EM621 Espresso Machine. Retain this manual for future reference.
1.1 Opća sigurnost
- Ne uranjajte uređaj, kabel za napajanje ili utikač u vodu ili druge tekućine.
- Ovaj aparat je samo za upotrebu u domaćinstvu. Ne koristiti na otvorenom.
- Držite uređaj van domašaja djece.
- Always ensure the water tank is filled before operation to prevent damage to the pump.
- Koristite samo hladnu, svježu vodu u rezervoaru za vodu.
- Exercise caution when handling hot surfaces and steam. The steam wand can become very hot.
- Nemojte koristiti uređaj ako su kabl za napajanje ili utikač oštećeni.
- Osigurajte da je uređaj postavljen na stabilnu, ravnu i toplotno otpornu površinu.
1.2 Električna sigurnost
- Uređaj priključite na uzemljenu električnu utičnicu s odgovarajućim naponomtage (120 V).
- Isključite aparat iz utičnice kada se ne koristi i pre čišćenja.
- Nemojte dozvoliti da kabl za napajanje visi preko ivice stola ili pulta, niti da dodiruje vruće površine.
- If overheating occurs, unplug the power cord immediately and allow the machine to cool.
2. Proizvod je gotovview
The KOIOS EM621 is a semi-automatic espresso machine designed for home use, featuring a 20-bar pump, PID control, and a steam wand for milk frothing.

Slika 1: Prednja strana view of the KOIOS EM621 Espresso Machine, showing the control panel, portafilter, and drip tray.
2.1 Komponente
- Spremnik za vodu: 58oz (1700ml) removable tank with a transparent design and carrying handle.
- Kontrolna tabla: Features power button, 1-cup, 2-cup, and Americano buttons, and a pressure gauge.
- Portafilter: Holds ground coffee, includes 2 stainless steel filters for different serving sizes.
- Štapić za paru: 360° rotatable stainless steel wand with anti-scald silicone handle for frothing milk.
- Posuda za kapanje: Removable for easy cleaning, with a red indicator knob for excess water.
- Mjerna kašika: Included for accurate coffee dosing.
2.2 Kontrole
- Dugme za napajanje: Uključuje/isključuje mašinu.
- 1-Cup Button: Dispenses a single shot of espresso.
- 2-Cup Button: Dispenses a double shot of espresso.
- Dugme za amerikano: Dispenses an Americano.
- Dugme za funkciju: Selects between Coffee, Hot Water, and Steam modes.
- Manometar: Prikazuje pritisak kuhanja.
3. Podešavanje
3.1 Početno čišćenje
- Uklonite sve materijale za pakovanje.
- Wash the water tank, portafilter, filters, measuring spoon, and drip tray with warm soapy water. Rinse thoroughly and dry.
- Obrišite spoljašnjost mašine sa oglasomamp tkanina.
3.2 Punjenje rezervoara za vodu
- Remove the water tank from the back of the machine using its handle.
- Napunite rezervoar svježom, hladnom vodom do oznake MAX.
- Vratite rezervoar za vodu na uređaj, pazeći da je sigurno pričvršćen.
3.3 Priprema mašine
Prije prve upotrebe, ili ako mašina nije korištena duže vrijeme, napunite sistem:
- Uverite se da je rezervoar za vodu napunjen.
- Stavite šoljicu ispod grlića portafiltera (bez kafe).
- Turn the function knob to the "Coffee" mode limit.
- Press the 1-cup button. Water will flow through the portafilter. Let it run for about 30 seconds.
- Turn the function knob to the "Hot Water" mode. Let water flow from the steam wand for about 30 seconds.
- Turn the function knob back to the neutral position. The machine is now primed.
4. Uputstvo za upotrebu
4.1 Priprema espressa
- Predgrevanje: Turn on the machine. Ensure the function knob is set to "Coffee". Wait for the indicator light to turn solid, indicating the machine is preheated.
- Pripremite kafu: Grind fresh coffee beans to a fine espresso grind. Fill the appropriate filter basket (1-cup or 2-cup) with ground coffee.
- Tamp: Koristite tamper to press the coffee grounds firmly and evenly into the filter basket. Ensure the surface is level.
- Pričvrstite portafilter: Insert the portafilter into the group head and twist it firmly to the right until it is securely locked.
- Kup mjesta: Postavite šoljicu/e za espreso na posudu za kapanje direktno ispod izljeva portafiltera.
- Pivo: Press the 1-cup or 2-cup button. The machine will begin brewing. The PID control system ensures optimal water temperature for extraction, and the pre-soak system moistens the grounds for uniform extraction.
- zaustaviti: The machine will automatically stop brewing when the programmed volume is reached. You can manually stop brewing at any time by pressing the button again.
- Uklonite portafilter: Pažljivo uklonite portafilter okrećući ga ulijevo. Bacite korištenu talog kafe.
4.2 Mlijeko za pjenjenje
- Pripremite mlijeko: Fill a stainless steel frothing pitcher with cold milk (whole milk is recommended for best results).
- Aktiviraj Steam: Turn the function knob to the "Steam" mode. Wait for the steam indicator light to illuminate, indicating the machine is ready to produce steam.
- Štapić za čišćenje: Briefly open the steam valve to release any condensed water from the wand. Close the valve.
- Pjenasto mlijeko: Immerse the tip of the steam wand just below the surface of the milk. Open the steam valve slowly. Move the pitcher up and down to create foam.
- Zaustavite kuhanje na pari: Once the desired texture and temperature are achieved, close the steam valve and remove the pitcher.
- Čisti štapić: Odmah obrišite cijev za paru oglasnomamp krpom kako biste spriječili isušivanje ostataka mlijeka. Ponovo nakratko otvorite ventil za paru kako biste ispraznili mlijeko iz cijevi.
4.3 Funkcija tople vode
To dispense hot water for warming cups or other uses:
- Provjerite je li mašina uključena i prethodno zagrijana.
- Stavite šolju ispod cevi za paru.
- Turn the function knob to the "Hot Water" mode. Hot water will dispense from the steam wand.
- Turn the knob back to the neutral position to stop the flow.
5. Održavanje
5.1 Dnevno čišćenje
- Portafilter i filteri: Nakon svake upotrebe, izvadite portafilter, bacite talog i isperite portafilter i filter korpu pod mlazom vode.
- Posuda za kapanje: Empty and clean the removable drip tray daily or when the red indicator knob appears.
- Štapić za paru: Always wipe the steam wand immediately after frothing milk. Purge the wand to clear any internal residue.
- Eksterijer: Obrišite spoljašnjost mašine mekom krpom, damp tkanina. Nemojte koristiti abrazivna sredstva za čišćenje.
5.2 Čišćenje rezervoara za vodu
Sedmično čistite rezervoar za vodu toplom vodom i sapunom. Temeljno isperite kako biste uklonili ostatke sapuna.
5.3 Uklanjanje kamenca
Redovno uklanjanje kamenca je neophodno za održavanje performansi aparata i produženje njegovog vijeka trajanja. Učestalost zavisi od tvrdoće vode i upotrebe.
- Pripremite rastvor za uklanjanje kamenca prema uputama proizvođača sredstva za uklanjanje kamenca.
- Napunite rezervoar za vodu rastvorom za uklanjanje kamenca.
- Remove the portafilter handle. Place a large water bowl under the coffee spout and another under the steam wand.
- Press the 1-cup and 2-cup buttons simultaneously. The machine will begin the descaling cycle.
- Allow the machine to complete the cycle, or continue cleaning until the water tank is empty.
- After descaling, rinse the water tank thoroughly and fill it with fresh water.
- Run several cycles of fresh water through the coffee spout and steam wand to rinse out any remaining descaling solution.
6. Otkrivanje problema
| Problem | Mogući uzrok | Rješenje |
|---|---|---|
| Power button red light flashing, machine not heating. | Function knob not in "Coffee" mode limit or empty water tank. | Ensure the function knob is turned fully to the "Coffee" mode limit. Check and refill the water tank. |
| Machine malfunctions during operation. | Privremena sistemska greška. | Long press the power button for 5 seconds to clear the machine's memory and reset. |
| Overheating occurs. | Extended use or internal issue. | Unplug the power cord and allow the machine to cool down completely before resuming use. |
| Coffee puck is watery sludge, not solid. | Insufficient coffee grounds, incorrect grind size, or improper tamping. | Ensure enough coffee grounds are used. Adjust grind size to be finer. Tamp čvrsto i ravnomerno. |
| Milk frothing wand not producing steam or poor foam. | Clogged wand, insufficient heat, or improper technique. | Clean the steam wand thoroughly. Ensure the machine is fully heated in "Steam" mode. Review tehnika pjenjenja. |
7. Specifikacije
- Brand: KOIOS
- Model: EM621
- Tip aparata za kafu: Poluautomatski aparat za espreso
- Pritisak pumpe: 20 Bar
- Snaga: 1200W
- Kapacitet rezervoara za vodu: 58oz (1700ml)
- Materijal: Stainless Steel exterior
- Dimenzije proizvoda: 11.61"D x 11.61"Š x 6.3"H
- Težina artikla: 8.71 funte
- Posebne karakteristike: PID Control System, Smart Pre-soak System, 360° Steam Wand, 3 Extraction Choices (1 cup, 2 cups, Americano), Hot Water Function, Descaling Function.
- Uključene komponente: Espresso Machine, 2 Stainless Steel Filters, Measuring Spoon, Removable Drip Tray, Steam Wand, Water Tank.
8. Jamstvo i podrška
The KOIOS EM621 Espresso Machine comes with a 1 godine garancije.
If you have any questions, encounter issues, or require assistance with your product, please contact the KOIOS after-sales support team. Refer to the contact information provided in your product packaging or on the official KOIOS webstranicu za najnovije detalje o podršci.





