1. Introdución
This manual provides detailed instructions for the safe and efficient operation, maintenance, and troubleshooting of your KOIOS UHM-JS02 Ultrasonic Humidifier. Please read this manual thoroughly before use and retain it for future reference.
2. Instrucións de seguridade importantes
- Coloque sempre o humidificador sobre unha superficie plana, estable e resistente á auga.
- Non sumerxa a unidade base en auga ou outros líquidos.
- Manteña o humidificador fóra do alcance dos nenos e das mascotas.
- Desconecte o aparello durante o enchido, a limpeza e cando non estea en uso.
- Do not add water to the mist outlet. Fill only through the designated top-fill opening.
- When using hypochlorous acid water, ensure its concentration is below 50ppm for safe operation.
- The ultrasonic mist produced is cool, making it safe for households with children and pets.
3. Contido do paquete
- KOIOS UHM-JS02 Ultrasonic Humidifier Unit
- Manual de usuario
4. Compoñentes do produto

KOIOS UHM-JS02 Ultrasonic Humidifier with transparent water tank.
- Depósito de auga: Depósito transparente para almacenamento de auga.
- Unidade base: Contains the ultrasonic vibrator and electronic components.
- Top Cover/Mist Nozzle: Directs the mist output and houses the control panel.
- Panel de control: For power, mist level, and night light control.
- Aroma Compartment: Integrated area for essential oils.
- Cable de alimentación: Para conexión eléctrica.
5. Configuración
- Desempaquetar: Carefully remove the humidifier and all packaging materials from the box.
- Colocación: Place the humidifier on a firm, flat, and water-resistant surface, away from walls and furniture.
- Conexión de alimentación: Enchufe o cable de alimentación nunha toma eléctrica adecuada.
This video provides a comprehensive guide to the KOIOS UHM-JS02 Humidifier, demonstrating its assembly, water filling, mist level adjustments, aroma function, night light operation, and cleaning procedures.
6. Instrucións de funcionamento
6.1. Enchendo o depósito de auga
- Retire a tapa superior do humidificador.
- Pour clean tap water directly into the water tank through the large opening. Do not exceed the maximum water level indicated.
- The transparent tank allows for easy monitoring of the water level.
- Coloque a tapa superior de forma segura.

A hand pouring water into the top-fill opening of the KOIOS UHM-JS02 Humidifier.

The transparent water tank of the KOIOS UHM-JS02 Humidifier showing the water level indicator.
6.2. Acendido/apagado
Prema o botón de acendido no panel de control para acender ou apagar o humidificador.
6.3. Axuste do nivel de néboa
The humidifier offers 3 mist output levels. Press the mist button repeatedly to cycle through High (H), Medium (M), and Low (L) modes.
- High (H) Mode: Approximately 12-13 hours of continuous operation.
- Medium (M) Mode: Approximately 15-16 hours of continuous operation.
- Low (L) Mode: Approximately 30-31 hours of intermittent operation (18 seconds on, 18 seconds off).

Close-up of the KOIOS UHM-JS02 Humidifier control panel showing mist level indicators.
6.4. Aroma Function
To use the aroma function, open the small cap on the top cover and add a few drops of your preferred essential oil into the designated aroma compartment. Close the cap securely.

A hand adding aroma oil to the designated compartment on the KOIOS UHM-JS02 Humidifier.
6.5. Luz nocturna
The humidifier features an indirect night light. Long-press the night light button for 3 seconds to turn the light on or off.

The KOIOS UHM-JS02 Humidifier operating with its blue night light illuminated in a dim room.
7. Mantemento
7.1. Limpeza do depósito de auga
- Desconecte o humidificador da toma de corrente.
- Remove the top cover and the internal mist unit.
- The water tank is detachable and can be rinsed thoroughly under running water. Use a soft brush or cloth to clean any mineral deposits.
- Asegúrese de que todas as pezas estean secas antes de volver a montar.

A person cleaning the detachable water tank of the KOIOS UHM-JS02 Humidifier under running water.
7.2. Cleaning the Ultrasonic Vibrator
Gently wipe the ultrasonic vibrator (located in the base) with a soft cloth to remove any mineral buildup. Do not use abrasive materials or harsh chemicals.
7.3. Almacenamento
If the humidifier will not be used for an extended period, clean all parts thoroughly, ensure they are completely dry, and store the unit in a cool, dry place.
8 Solución de problemas
| Problema | Causa posible | Solución |
|---|---|---|
| Sen saída de néboa | Baixo nivel de auga Potencia non conectada Unidade non montada correctamente | Encher o depósito de auga Comprobe a conexión do cable de alimentación Ensure top cover and internal unit are properly seated |
| Ruído insólito | Obxecto estraño no tanque de auga Auga insuficiente | Elimina os obxectos estraños Encher o depósito de auga |
| Fuga de auga | Montaxe inadecuada Overfilling the tank | Reassemble unit correctly Do not exceed MAX water level |
| A luz nocturna non funciona | Non activado | Long-press the night light button for 3 seconds |
9. Especificacións
| Característica | Especificación |
|---|---|
| Marca | KOIOS |
| Modelo | UHM-JS02 |
| Capacidade do depósito de auga | 4 litros |
| Humidification Rate | Approx. 350 mL/h (High mode) |
| Nivel de ruído | 28 dB |
| Consumo de enerxía | 20 W |
| Área de cobertura | Approx. 10-35.6 square meters (6-22 tatami mats) |
| Dimensións | 29.7 x 20.2 x 19.9 cm |
| Características especiais | Top-fill, Auto-off, 3 Mist Levels, Aroma Function, Night Light, Hypochlorous Acid Water Compatible (under 50ppm) |

KOIOS UHM-JS02 Humidifier with dimensions labeled.
10. Garantía e soporte
The KOIOS UHM-JS02 Humidifier and its accessories come with a 1-year warranty. An additional 6-month warranty extension is available upon product registration.
For any questions, concerns, or in the event of a malfunction, please contact our customer support. You can typically find contact information through your order history by navigating to 'Order History' and selecting 'Contact Seller'.





