1. Introducción
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. Instrucciones de seguridad importantes
- Coloque siempre el humidificador sobre una superficie plana, estable y resistente al agua.
- No sumerja la unidad base en agua u otros líquidos.
- Mantenga el humidificador fuera del alcance de los niños y las mascotas.
- Desenchufe el aparato durante el llenado, la limpieza y cuando no esté 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. Contenido del paquete
- KOIOS UHM-JS02 Ultrasonic Humidifier Unit
- Manual de usuario
4. Componentes del producto

KOIOS UHM-JS02 Ultrasonic Humidifier with transparent water tank.
- Tanque de agua: Tanque transparente para almacenamiento de agua.
- Unidad 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
- Deshacer: Retire con cuidado el humidificador y todos los materiales de embalaje de la caja.
- Colocación: Place the humidifier on a firm, flat, and water-resistant surface, away from walls and furniture.
- Conexión de energía: Conecte el cable de alimentación a una 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. Instrucciones de funcionamiento
6.1. Llenar el tanque de agua
- Retire la cubierta superior del 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.
- Vuelva a colocar la cubierta 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. Encendido y apagado
Presione el botón de encendido en el panel de control para encender o apagar el humidificador.
6.3. Ajuste del nivel de niebla
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: Aproximadamente 12-13 horas de funcionamiento continuo.
- Medium (M) Mode: Aproximadamente 15-16 horas de funcionamiento continuo.
- 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 de noche
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. Mantenimiento
7.1. Limpieza del tanque de agua
- Desconecte el humidificador de la toma de corriente.
- 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 las piezas estén secas antes de volver a montarlas.

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. Almacenamiento
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
| Asunto | Posible causa | Solución |
|---|---|---|
| Sin salida de niebla | Nivel de agua bajo La energía no está conectada Unit not assembled correctly | Rellenar el tanque de agua Verifique la conexión del cable de alimentación Ensure top cover and internal unit are properly seated |
| Ruido inusual | Objeto extraño en el tanque de agua Agua insuficiente | Eliminar objetos extraños Rellenar el tanque de agua |
| Fuga de agua | Montaje inadecuado Llenar demasiado el tanque | Reassemble unit correctly Do not exceed MAX water level |
| La luz nocturna no funciona | No activado | Long-press the night light button for 3 seconds |
9. Especificaciones
| Característica | Especificación |
|---|---|
| Marca | KOIOS |
| Modelo | UHM-JS02 |
| Capacidad del tanque de agua | 4 litros |
| Tasa de humidificación | Approx. 350 mL/h (High mode) |
| Nivel de ruido | 28 dB |
| Consumo de energía | 20 W |
| Área de cobertura | Approx. 10-35.6 square meters (6-22 tatami mats) |
| Dimensiones | 29.7 x 20.2 x 19.9 cm |
| Características especiales | 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 y 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'.





