1. Introdução
Thank you for choosing the COWSAR Single Serve Coffee Maker. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your new coffee maker. Please read it thoroughly before first use and keep it for future reference.
The COWSAR CM3729-BLACK is a versatile 2-in-1 coffee maker designed to brew both K-Cups and ground coffee, offering convenience and flexibility for your daily coffee ritual. With multiple brew size options and a user-friendly touchscreen, enjoying your favorite coffee has never been easier.
2. Recursos do Produto
- Cervejaria Versátil: Supports both K-Cups and ground coffee with an included reusable filter.
- Preparação rápida: Enjoy a fresh cup of coffee in as little as 90 seconds.
- Tela sensível ao toque fácil de usar: Simple operation with a responsive touchscreen interface.
- Vários tamanhos de preparo: Offers 5 brew size options: 6 oz, 8 oz, 10 oz, 12 oz, and 14 oz.
- Grande tanque de água: Features a detachable 40 oz (0.9 Liters) water tank, reducing the need for frequent refills.
- Design compacto: Sleek dimensions (10.8"D x 5.5"W x 12"H) for easy placement and storage.
- Fácil de limpar: Removable drip tray and descaling indicator for hassle-free maintenance.

Figure 1: COWSAR 2-in-1 Coffee Maker highlighting key features.
3. Configuração
- Desembalagem: Carefully remove all components from the packaging. Ensure all parts are present: coffee maker unit, detachable water tank, reusable ground coffee filter, and instruction manual.
- Limpeza Inicial: Before first use, wash the detachable water tank, reusable filter, and drip tray with warm, soapy water. Rinse thoroughly and dry.
- Instalação do tanque de água: Place the detachable 40 oz water tank onto the back of the coffee maker. Ensure it is securely seated.
- Encha o tanque de água: Fill the water tank with fresh, cold water up to the 'MAX' line (40 oz). Do not exceed the 'MAX' line. The minimum fill level is 15 oz.
- Conexão de energia: Plug the coffee maker into a grounded electrical outlet. The power button will illuminate.
- Ciclo de enxágue inicial: To clean the internal components, perform a rinse cycle without coffee. Fill the water tank, place an empty mug on the drip tray, select the 14 oz brew size, and press 'BREW'. Discard the hot water. Repeat this process 2-3 times.

Figure 2: Detachable 40 oz water tank and removable drip tray.
4. Instruções de operação
4.1. Brewing with K-Cups
- Tampa aberta: Lift the lid of the brewing chamber.
- Inserir K-Cup: Place a K-Cup pod into the K-Cup holder. Ensure it is seated correctly.
- Fechar tampa: Firmly close the lid until it clicks into place.
- Coloque a caneca: Place your coffee mug on the drip tray.
- Selecione o tamanho da infusão: On the touchscreen, press the 'SIZE' button repeatedly to cycle through the available brew sizes (6 oz, 8 oz, 10 oz, 12 oz, 14 oz) until your desired size is illuminated.
- Comece a preparar: Press the 'BREW' button. The coffee maker will begin heating and then dispense coffee into your mug.
- Aproveitar: Once brewing is complete, carefully remove your mug and enjoy your coffee.
4.2. Preparando café com café moído
- Tampa aberta: Lift the lid of the brewing chamber.
- Preparar o filtro: Open the reusable ground coffee filter. Fill it with your desired amount of ground coffee, ensuring not to exceed the 'MAX' fill line inside the filter. Close the filter lid securely.
- Inserir filtro: Place the filled reusable filter into the brewing chamber.
- Fechar tampa: Firmly close the lid until it clicks into place.
- Coloque a caneca: Place your coffee mug on the drip tray.
- Selecione o tamanho da infusão: On the touchscreen, press the 'SIZE' button repeatedly to cycle through the available brew sizes (6 oz, 8 oz, 10 oz, 12 oz, 14 oz) until your desired size is illuminated.
- Comece a preparar: Press the 'BREW' button. The coffee maker will begin heating and then dispense coffee into your mug.
- Aproveitar: Once brewing is complete, carefully remove your mug and enjoy your coffee.

Figure 3: Supports both K-Cup and Ground Coffee.

Figure 4: Easy 3 steps to get a cup of coffee.
Video 1: Demonstration of COWSAR Coffee Maker using K-Cups and ground coffee, highlighting various cup sizes.
5. Manutenção e Limpeza
5.1. Limpeza Diária
- Tanque de água: The detachable 40 oz water tank can be easily removed and washed with warm, soapy water. Rinse thoroughly.
- Filtro Reutilizável: After each use with ground coffee, remove and empty the reusable filter. Wash it with warm, soapy water and rinse.
- Bandeja de gotejamento: The removable drip tray collects spills and can be easily detached for cleaning. Wash with warm, soapy water and rinse.
- Exterior: Limpe o exterior da cafeteira com adamp pano. Não mergulhe a unidade em água.
5.2. Descaling (Deep Cleaning)
Over time, mineral deposits (scale) can build up inside your coffee maker, affecting performance and taste. The descaling indicator light will illuminate when it's time for a thorough cleaning.
- Preparar a solução: Fill the water tank with a mixture of white vinegar and water (e.g., 1:1 ratio) or a commercial descaling solution according to its instructions.
- Start Self-Cleaning: Place a large empty mug or container on the drip tray. Press and hold the 'SIZE' and 'BREW' buttons simultaneously for 5 seconds. The coffee machine will automatically enter cleaning mode and run the descaling cycle.
- Ciclos de enxágue: After the descaling cycle is complete, empty the water tank and refill it with fresh, clean water. Run 2-3 full brew cycles with plain water to rinse out any remaining descaling solution.

Figure 5: Descale Reminder light indicates cleaning is required.

Figure 6: Self-cleaning function activated by pressing 'SIZE' and 'BREW' buttons for 5 seconds.
6. Solução De Problemas
| Problema | Possível causa | Solução |
|---|---|---|
| A cafeteira não liga. | Não conectado ou desligadotage. | Certifique-se de que o cabo de alimentação esteja firmemente conectado a uma tomada em funcionamento. Verifique o disjuntor. |
| 'ADD WATER' indicator light is on. | O reservatório de água está vazio ou abaixo do nível mínimo. | Refill the water tank with fresh, cold water above the 15 oz minimum line. |
| O café não está saindo. | Lid not closed properly, water tank not seated, or no water. | Ensure the brewing chamber lid is fully closed. Check if the water tank is correctly installed and filled. |
| O café tem gosto fraco ou aguado. | Insufficient coffee grounds/K-Cup, or descaling needed. | Use more coffee grounds or a stronger K-Cup. Perform a descaling cycle if the indicator is on. |
| Coffee maker is loud during brewing. | Normal operation, or air in the system. | Some noise is normal during heating and brewing. Ensure the water tank is full to prevent air pockets. |
| 'DESCALE' indicator light is on. | Acúmulo de minerais na máquina. | Execute um ciclo de descalcificação conforme descrito na Seção 5.2. |
7. Especificações
| Recurso | Detalhe |
|---|---|
| Marca | COWSAR |
| Nome do modelo | CM3729-PRETO |
| Cor | Preto |
| Dimensões do produto | 10.8"P x 5.5"L x 12"A |
| Peso do item | 5.2 libras |
| Capacidade | 0.9 litros (40 oz) |
| Recurso especial | Touchscreen, Swift Brewing, Compatible with K-Cups and Ground Coffee |
| Tipo de Cafeteira | Máquina de café gota a gota |
| Modo de operação | Totalmente automático |
| Volumetage | 120 Volts |
| Componentes incluídos | Filtro Reutilizável |
8. Garantia e Suporte
For warranty information or technical support, please refer to the product packaging or contact COWSAR customer service directly. Keep your purchase receipt as proof of purchase for any warranty claims.





