1. Stiùireadh Sàbhailteachd
Please read all instructions carefully before using the KOIOS EM621 Espresso Machine. Retain this manual for future reference.
1.1 Sàbhailteachd Coitcheann
- Na cuir an inneal, an càball cumhachd, no am pluga ann an uisge no leaghan eile.
- Tha an inneal seo airson cleachdadh dachaigh a-mhàin. Na cleachd a-muigh.
- Cùm an inneal a-mach à ruigsinn chloinne.
- Always ensure the water tank is filled before operation to prevent damage to the pump.
- Cleachd uisge fuar, ùr a-mhàin anns an tanca uisge.
- Exercise caution when handling hot surfaces and steam. The steam wand can become very hot.
- Na obraich an inneal ma thèid an sreang cumhachd no am pluga a mhilleadh.
- Dèan cinnteach gu bheil an inneal air a chur air uachdar seasmhach, rèidh, a tha an aghaidh teas.
1.2 Sàbhailteachd Dealain
- Connect the appliance to a grounded electrical outlet with the correct voltage (120V).
- Unplug an inneal bhon ar-a-mach nuair nach eilear ga chleachdadh agus mus tèid a ghlanadh.
- Na leig leis an t-sreang cumhachd crochadh thairis air oir bùird no cuntair, no suathadh air uachdar teth.
- If overheating occurs, unplug the power cord immediately and allow the machine to cool.
2. Toradh thallview
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.

Dealbh 1: Aghaidh view of the KOIOS EM621 Espresso Machine, showing the control panel, portafilter, and drip tray.
2.1 Co-phàirtean
- Tanca uisge: 58oz (1700ml) removable tank with a transparent design and carrying handle.
- Pannal Smachd: Features power button, 1-cup, 2-cup, and Americano buttons, and a pressure gauge.
- Criathrag-làimhe: Holds ground coffee, includes 2 stainless steel filters for different serving sizes.
- Slat-smùide: 360° rotatable stainless steel wand with anti-scald silicone handle for frothing milk.
- Trèana drip: Removable for easy cleaning, with a red indicator knob for excess water.
- Spàin-tomhais: Included for accurate coffee dosing.
2.2 Smachdan
- Putan Cumhachd: A’ tionndadh an inneil air/dheth.
- Putan 1-Cupa: Dispenses a single shot of espresso.
- Putan 2-Cupa: Dispenses a double shot of espresso.
- Putan Americano: Dispenses an Americano.
- Knob gnìomh: Selects between Coffee, Hot Water, and Steam modes.
- Meud cuideam: Displays brewing pressure.
3. Suidhich
3.1 Glanadh tùsail
- Thoir air falbh a h-uile stuth pacaidh.
- Wash the water tank, portafilter, filters, measuring spoon, and drip tray with warm soapy water. Rinse thoroughly and dry.
- Sguab taobh a-muigh an inneil le sanasamp aodach.
3.2 A’ lìonadh an tanca uisge
- Remove the water tank from the back of the machine using its handle.
- Fill the tank with fresh, cold water up to the MAX line.
- Cuir an tanca uisge air ais air an inneal, a’ dèanamh cinnteach gu bheil e na shuidhe gu tèarainte.
3.3 A’ cur an inneal air bhog
Before first use, or if the machine has not been used for a long time, prime the system:
- Dèan cinnteach gu bheil an tanca uisge air a lìonadh.
- Cuir cupa fo phut a’ phora-chriathrag (gun chofaidh).
- 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. Stiùireadh Obrachaidh
4.1 Dèanamh Espresso
- Preheat: 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.
- Ullaich cofaidh: Grind fresh coffee beans to a fine espresso grind. Fill the appropriate filter basket (1-cup or 2-cup) with ground coffee.
- Tamp: Cleachd an tamper to press the coffee grounds firmly and evenly into the filter basket. Ensure the surface is level.
- Ceangail Portafilter: Insert the portafilter into the group head and twist it firmly to the right until it is securely locked.
- Cupa na h-Àite: Cuir do chupa(ichean) espresso air an treidhe drip dìreach fo na spùitean a’ phortafilter.
- Brew: 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.
- Stad: 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.
- Thoir air falbh am Portafilter: Thoir air falbh am portafilter gu faiceallach le bhith ga thionndadh chun na clì. Tilg air falbh na grùidean cofaidh a chaidh a chleachdadh.
4.2 Bainne a’ Cùbhraidh
- Ullaich bainne: Fill a stainless steel frothing pitcher with cold milk (whole milk is recommended for best results).
- Cuir an gnìomh 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.
- Slat-glanaidh: Briefly open the steam valve to release any condensed water from the wand. Close the valve.
- Bainne Cùbhraidh: 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.
- Stad a bhith a’ smùideadh: Once the desired texture and temperature are achieved, close the steam valve and remove the pitcher.
- Slat Glan: Sguab an t-slat smùide sa bhad le sanasamp clò gus casg a chur air fuigheall bainne bho bhith a’ tiormachadh. Fosgail am bhalbha smùide a-rithist airson ùine ghoirid gus bainne sam bith a thoirt a-mach à taobh a-staigh an t-slat.
4.3 Gnìomh uisge teth
To dispense hot water for warming cups or other uses:
- Ensure the machine is on and preheated.
- Cuir cupa fon chrann-smùide.
- 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. Cumail suas
5.1 Glanadh làitheil
- Portafilter agus Criathragan: After each use, remove the portafilter, discard grounds, and rinse the portafilter and filter basket under running water.
- Trèana drip: Empty and clean the removable drip tray daily or when the red indicator knob appears.
- Slat-smùide: Always wipe the steam wand immediately after frothing milk. Purge the wand to clear any internal residue.
- Taobh a-muigh: Sguab taobh a-muigh an inneil le bog, damp aodach. Na cleachd innealan-glanaidh sgudail.
5.2 Glanadh tanca uisge
Clean the water tank weekly with warm soapy water. Rinse thoroughly to remove any soap residue.
5.3 A' crìonadh
Regular descaling is essential to maintain machine performance and extend its lifespan. The frequency depends on water hardness and usage.
- Ullaich fuasgladh dì-sgalachaidh a rèir stiùiridhean neach-dèanamh an dì-sgalachaidh.
- Lìon an tanca uisge leis an fhuasgladh descaling.
- 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.
- Às dèidh dhut an sgalp a thoirt air falbh, nigh an tanca uisge gu mionaideach agus lìon e le uisge ùr.
- Run several cycles of fresh water through the coffee spout and steam wand to rinse out any remaining descaling solution.
6. A ’dèanamh trioblaid
| Trioblaid | Adhbhar a dh’fhaodadh a bhith ann | Fuasgladh |
|---|---|---|
| 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. | Temporary system error. | 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 gu daingeann agus gu cothromach. |
| 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 frothing technique. |
7. Sònrachaidhean
- Brand: KIOOS
- Modail: EM621
- Seòrsa neach-dèanamh cofaidh: Inneal espresso leth-fèin-ghluasadach
- Brùthadh pumpa: 20 Bàrr
- Cumhachd: 1200W
- Comas tanca uisge: 58 oz (1700ml)
- Stuth: Stainless Steel exterior
- Meudan toraidh: 11.61"D x 11.61"W x 6.3"H
- Cuideam nì: 8.71 not
- Feartan sònraichte: PID Control System, Smart Pre-soak System, 360° Steam Wand, 3 Extraction Choices (1 cup, 2 cups, Americano), Hot Water Function, Descaling Function.
- Co-phàirtean air an toirt a-steach: Espresso Machine, 2 Stainless Steel Filters, Measuring Spoon, Removable Drip Tray, Steam Wand, Water Tank.
8. Barantas & Taic
The KOIOS EM621 Espresso Machine comes with a Barantas 1-bliadhna.
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 weblàrach-lìn airson am fiosrachadh taic as ùire.