1. Introducció
This manual provides essential instructions for the safe and effective operation of your GemOro 1787 2.6-Quart Professional Heated Ultrasonic Machine. Please read this manual thoroughly before initial use and retain it for future reference.
The GemOro 1787 is designed for professional and personal use, offering powerful ultrasonic cleaning with a heated tank and digital timer for optimal results on various items, including jewelry, eyeglasses, and small parts.

Image 1.1: The GemOro 1787 2.6-Quart Professional Heated Ultrasonic Machine, showcasinel seu elegant disseny negre i el seu panell de control digital.
2. Informació important de seguretat
AVÍS: Per reduir el risc de descàrrega elèctrica, incendi o lesions, seguiu sempre aquestes precaucions de seguretat bàsiques.
- Llegiu totes les instruccions abans d'utilitzar l'aparell.
- No submergiu la unitat principal en aigua o altres líquids.
- No feu servir la unitat si el cable d'alimentació o l'endoll estan danyats.
- Mantenir la unitat fora de l'abast dels nens.
- Utilitzeu-ho només amb el volum especificattage.
- Do not operate the unit without liquid in the tank.
- Desendolleu la unitat de la presa de corrent quan no l'utilitzeu i abans de netejar-la.
- Avoid touching the tank or solution during operation, especially when heated.
- Do not use flammable or corrosive cleaning solutions.
3. Contingut del paquet
Verifiqueu que tots els components siguin presents al paquet:
- GemOro 1787 Ultrasonic Machine
- Removable Cleaning Basket
- Tapa
- Manual d'instruccions (aquest document)

Image 3.1: The GemOro 1787 unit with its lid removed, showing the internal tank and the separate lid component.

Image 3.2: The removable cleaning basket, designed to hold items during the ultrasonic cleaning process.
4. Configuració
- Col·locació: Place the ultrasonic machine on a stable, flat, and dry surface. Ensure there is adequate ventilation around the unit.
- Connexió d'alimentació: Ensure the unit is unplugged before filling.
- Omplir el dipòsit: Open the lid and fill the stainless steel tank with water or a suitable ultrasonic cleaning solution. Do not exceed the MAX fill line. Ensure the liquid covers the items to be cleaned.
- Inserir cistella: Col·loqueu la cistella de neteja al dipòsit.
- Afegir elements: Carefully place the items to be cleaned into the basket, ensuring they are not overcrowded.
- Tanca la tapa: Tanqueu la tapa amb seguretat.
- Connectar: Connecteu el cable d'alimentació a una presa elèctrica amb connexió a terra.

Image 4.1: The GemOro 1787 ultrasonic machine with its lid closed, ready for operation after setup.
5. Instruccions de funcionament
5.1 Tauler de control acabatview

Image 5.1: Close-up of the GemOro 1787 control panel, showing the digital display and buttons for ON, OFF, SET, and TC (Time/Clean).
- Botó ON/OFF: Encén o apaga la unitat.
- Botó SET: Used to adjust the cleaning time.
- TC (Time/Clean) Button: Initiates or stops the ultrasonic cleaning cycle.
- Pantalla digital: Shows the remaining cleaning time and temperature.
- Indicador de calor: Illuminates when the heating function is active.
- Indicador de treball: Illuminates when the ultrasonic cleaning is active.
5.2 Inici d'un cicle de neteja
- Encès: Premeu el botó ON button. The digital display will illuminate.
- Establir hora: Premeu el botó SET button repeatedly to cycle through the preset cleaning times (e.g., 180s, 280s, 380s, 480s, 90s). Select the desired duration.
- Activa la calor (opcional): If heating is desired, ensure the "Heat" indicator is on. The unit will automatically heat the solution to an optimal temperature. This may take several minutes.
- Comença a netejar: Premeu el botó TC button to begin the ultrasonic cleaning cycle. The "Working" indicator will illuminate, and the timer will count down.
- Finalització del cicle: The unit will automatically stop when the timer reaches zero. An audible signal may indicate completion.
- Apagar: Premeu el botó OFF per apagar la unitat.
5.3 Recommended Cleaning Practices
- For heavily soiled items, pre-soak or gently brush them before ultrasonic cleaning.
- Use appropriate cleaning solutions for the items being cleaned. Consult a jeweler or specialist for delicate items.
- Do not clean items made of soft or porous materials like pearls, emeralds, opals, or costume jewelry with loose settings, as they may be damaged.
- Always use the cleaning basket to prevent items from resting directly on the tank bottom, which can reduce cleaning effectiveness and potentially damage the transducer.
- After cleaning, rinse items thoroughly with clean water and dry them with a soft cloth.
6. Manteniment
6.1 Draining and Cleaning the Tank
- Desconnectar: Always unplug the unit from the power outlet before draining or cleaning.
- Refredament: If the heating function was used, allow the solution to cool down before handling.
- Tanc buit: Carefully pour out the used cleaning solution from the tank. Avoid spilling liquid onto the control panel or exterior of the unit.
- Netejar: Wipe the inside of the stainless steel tank with a soft cloth. For stubborn residue, use a mild, non-abrasive cleaner.
- Neteja exterior: Netegeu l'exterior del bloc amb l'anunciamp drap. No utilitzeu productes de neteja abrasius ni submergiu la unitat en aigua.
6.2 Emmagatzematge
When not in use, ensure the unit is clean, dry, and unplugged. Store it in a cool, dry place away from direct sunlight and extreme temperatures.
7. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| La unitat no s'encén. | No connectat; mal funcionament de la presa de corrent; mal funcionament de la unitat. | Ensure power cord is securely plugged in. Test the outlet with another appliance. If still not working, contact customer support. |
| Ultrasonic cleaning not effective. | Insufficient cleaning solution; incorrect solution type; items overcrowded; excessive dirt. | Ensure tank is filled to the MAX line. Use appropriate cleaning solution. Do not overcrowd items. Pre-clean heavily soiled items. Increase cleaning time. |
| La funció de calefacció no funciona. | Heat function not activated; unit malfunction. | Ensure the heat indicator is on. Allow sufficient time for the solution to heat up. If still not working, contact customer support. |
| La unitat fa un soroll estrany. | Normal operation sound; unit malfunction. | A slight buzzing sound is normal during ultrasonic operation. If the noise is loud or unusual, discontinue use and contact customer support. |
8. Especificacions
- Model: 1787
- Capacitat: 2.6 Quarts (2460mL)
- Freqüència d'ultrasons: 42,000 Waves Per Second
- Funció de calefacció: Escalfador digital
- Temporitzador: Digital, preset cycles
- Construcció: ABS durador
- Dimensions del producte: 11.5 x 7 x 9 polzades
- Pes de l'article: 5.25 lliures
- Fabricant: GemOro
9. Garantia i atenció al client
The GemOro 1787 2.6-Quart Professional Heated Ultrasonic Machine comes with a 1 any de garantia limitada de substitució. Aquesta garantia cobreix els defectes de materials i de mà d'obra en ús normal.
For warranty claims, technical assistance, or any questions regarding your product, please contact GemOro customer support. Refer to the product packaging or the official GemOro weblloc web per obtenir la informació de contacte més actualitzada.
Please have your model number (1787) and proof of purchase available when contacting support.





