Tristar CM-1235
Tristar CM-1235 Coffee Maker User Manual
Model: CM-1235 | Brand: Tristar
Introduction
This elegant Tristar CM-1235 coffee maker features a digital display control panel, designed to brew 6-8 cups of coffee at a time. It includes a glass carafe that rests on a warming plate to keep your coffee hot for extended periods. For convenience, the coffee maker is equipped with an anti-drip system, a clear water level indicator, a digital clock, a programmable timer, and a permanent, removable filter. With 700 watts of power, it ensures efficient operation.
Key Features:
- An elegant coffee maker design.
- 8-cup capacity, perfect for daily use.
- Permanent and removable swing filter for easy cleaning and maintenance.
- Water level indicator for precise filling, anti-drip system to prevent messes, and a keep-warm function.
- The glass coffee carafe rests on a warming plate to maintain optimal coffee temperature.
Setup
Before first use, ensure all packaging materials are removed. Clean the carafe, filter basket, and permanent filter with warm, soapy water. Rinse thoroughly and dry. It is recommended to run two full cycles of water through the coffee maker without coffee to clean the internal components.

Image: The coffee maker with its top lid open, revealing the removable filter basket and permanent filter. This shows the area where coffee grounds are placed.
- Placement: Place the coffee maker on a flat, stable, heat-resistant surface, away from water sources.
- Water Reservoir: Open the lid and fill the water reservoir with fresh, cold water using the carafe. Do not exceed the maximum fill line indicated on the water level indicator.
- Filter Placement: Insert the permanent filter into the filter basket. If using paper filters, place a paper filter (size 1x4 or similar) into the filter basket before adding coffee grounds.
- Coffee Grounds: Add the desired amount of ground coffee to the filter. A general guideline is one tablespoon of coffee per cup, but adjust to your taste.
- Carafe Placement: Ensure the glass carafe is correctly placed on the warming plate.
- Power Connection: Plug the power cord into a suitable electrical outlet.

Image: A detailed view of the water level indicator on the side of the coffee maker, showing measurements in milliliters.
Operating Instructions
The Tristar CM-1235 coffee maker offers both immediate brewing and a programmable timer function for convenience.

Image: A close-up view of the coffee maker's digital control panel, featuring the time display, 'HOUR', 'MIN', 'ON/OFF', 'AUTO', 'PROG', and 'RUN' buttons.
Setting the Clock:
- Press the 'HOUR' button to set the hour.
- Press the 'MIN' button to set the minute.
- The clock will automatically set after a few seconds of inactivity.
Immediate Brewing:
- Ensure the water reservoir is filled and coffee grounds are in the filter.
- Press the 'ON/OFF' button. The indicator light will illuminate, and brewing will begin.
- Once brewing is complete, the coffee maker will automatically switch to the keep-warm function. The warming plate will keep the coffee hot for a period.
- To turn off the coffee maker, press the 'ON/OFF' button again.
Using the Programmable Timer:
- Set the current time using the 'HOUR' and 'MIN' buttons.
- Press the 'PROG' button. The display will show "PROG".
- Use the 'HOUR' and 'MIN' buttons to set the desired start time for brewing.
- Press the 'AUTO' button. The 'AUTO' indicator light will illuminate, indicating that the timer is set.
- The coffee maker will automatically start brewing at the programmed time.
- To cancel the programmed brewing, press the 'AUTO' button again.

Image: The Tristar CM-1235 coffee maker with a glass carafe filled with freshly brewed coffee, demonstrating its primary function.
Maintenance
Regular cleaning and maintenance will ensure the longevity and optimal performance of your Tristar CM-1235 coffee maker.
Daily Cleaning:
- Always unplug the coffee maker and allow it to cool completely before cleaning.
- Remove the permanent filter and filter basket. Discard used coffee grounds.
- Wash the carafe, permanent filter, and filter basket in warm, soapy water. Rinse thoroughly and dry. These parts are generally dishwasher safe on the top rack, but hand washing is recommended for longevity.
- Wipe the exterior of the coffee maker with a soft, damp cloth. Do not immerse the coffee maker in water or any other liquid.
Descaling (Monthly or as needed):
Mineral deposits from water can build up over time, affecting performance. Descale your coffee maker regularly, especially in areas with hard water.
- Fill the water reservoir with a mixture of white vinegar and water (1:2 ratio, e.g., 1 part vinegar to 2 parts water).
- Place an empty carafe on the warming plate.
- Run a full brewing cycle with the vinegar solution.
- After the cycle, turn off the coffee maker and let the solution sit in the carafe for 15-30 minutes.
- Discard the solution and rinse the carafe thoroughly.
- Run 2-3 cycles with fresh, clean water to rinse out any remaining vinegar taste or smell.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Coffee does not brew. | Not plugged in; power switch off; water reservoir empty; carafe not correctly placed. | Ensure power cord is securely plugged in. Turn on the 'ON/OFF' switch. Fill water reservoir. Ensure carafe is properly seated on the warming plate, activating the anti-drip mechanism. |
| Coffee tastes weak or too strong. | Incorrect coffee-to-water ratio; coffee too finely or coarsely ground. | Adjust the amount of coffee grounds. Use medium-ground coffee for optimal extraction. |
| Coffee overflows from filter basket. | Too much coffee grounds; filter clogged; carafe removed during brewing. | Reduce coffee grounds. Clean the permanent filter or use a new paper filter. Do not remove the carafe for more than 30 seconds during brewing. |
| Coffee maker makes unusual noises. | Mineral buildup (calcification). | Perform a descaling cycle as described in the Maintenance section. |
Specifications
| Feature | Detail |
|---|---|
| Brand | Tristar |
| Model Number | CM-1235 |
| Color | Black, Stainless Steel |
| Product Dimensions (L x W x H) | 14 x 4 x 19 cm (5.5 x 1.6 x 7.5 inches) |
| Power | 700 Watts |
| Voltage | 230 Volts (as per description, specification says 320 which seems incorrect for a coffee maker) |
| Material | Plastic |
| Item Weight | 1.05 Kilograms (2.31 lbs) |
| Special Feature | Cup Warmer, Digital Timer, Permanent Filter |
| Coffee Maker Type | Drip Coffee Maker (Machine à espresso is likely a misclassification in source data) |
| Filter Type | Permanent (also compatible with paper filters) |
| Capacity | 8 Cups (approx. 750ml) |
Warranty and Support
The Tristar CM-1235 coffee maker typically comes with a manufacturer's warranty. Based on available information, spare parts availability is indicated for 1 Year from the date of purchase. Please retain your proof of purchase for warranty claims.
For technical support, troubleshooting assistance beyond this manual, or warranty inquiries, please contact Tristar customer service. Contact details can usually be found on the Tristar official website or on the product packaging.
You may also visit the Tristar website for FAQs and additional product information: www.tristar.eu
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