04275.0031 - Coffee machine Bunn - Free user manual and instructions
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| Product Type | Coffee Machine (Commercial Grade) |
| Brand | Bunn |
| Model | 04275.0031 |
| Dimensions (W x D x H) | 18 x 10 x 14 inches |
| Weight | 20 lbs |
| Power Supply | 120 V, 60 Hz, 1500 W |
| Brew Capacity | Up to 12 cups per batch |
| Water Tank Capacity | 70 oz (approx. 2 liters) |
| Brew Temperature | 195°F - 205°F (optimal extraction) |
| Brew Time | Approx. 3 minutes for full batch |
| Heating System | Stainless steel tank with continuous flow heater |
| Controls | On/off switch, ready light, start switch |
| Material | Stainless steel and high-impact plastic |
| Cleaning | Use Bunn lime-scale remover; wipe exterior with damp cloth |
| Descaling | Recommended every 3 months with white vinegar or descaling solution |
| Safety Features | Auto shut-off (if left idle), thermal fuse, safety thermostat |
| Spare Parts Available | Spray head, brew funnel, water tank cover, heater kit |
| Repairability | Modular design; user-serviceable with basic tools |
| Certifications | UL listed, NSF certified for commercial use |
| Warranty | 1 year parts and labor |
Frequently Asked Questions - 04275.0031 Bunn
How do I descale my Bunn 04275.0031 coffee machine?
Use a mixture of equal parts white vinegar and water, or a commercial descaling solution. Fill the water tank, start a brew cycle, then rinse thoroughly with fresh water.
What is the optimal brewing temperature?
The optimal brewing temperature is between 195°F and 205°F (90°C - 96°C) for proper extraction.
How do I clean the coffee machine?
Wipe the exterior with a damp cloth. Clean the brew funnel and spray head regularly. Run a cleaning cycle using Bunn lime-scale remover or vinegar.
Does the machine have an auto shut-off feature?
Yes, the machine has an auto shut-off that activates after the warmer is idle for a set period to prevent overheating.
What type of water filter should I use?
Bunn recommends using a Bunn water filter (model WF-1 or equivalent) to reduce scale and improve taste. Replace every 3 months.
Why is my coffee machine leaking?
Check the water tank connections, spray head, and funnel. Ensure the tank is properly seated. A worn O-ring or gasket may need replacement.
How do I adjust the brew strength?
The brew strength is controlled by the amount of coffee grounds you use. Use a Bunn scoop (about 2 tablespoons per cup) for standard strength.
Can I use pre-ground coffee?
Yes, the machine works with pre-ground coffee. Use a paper filter or the basket filter provided. Avoid using extremely fine grind.
How do I replace the spray head?
Turn off and unplug the machine. Remove the brew funnel, unscrew the spray head (usually a quarter turn), and replace with a new one. Tighten gently.
What does the error code 'E1' mean?
Error code 'E1' indicates a temperature sensor fault. Unplug the machine for 5 minutes to reset. If it persists, contact Bunn support for service.
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USER MANUAL 04275.0031 Bunn
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Product information
Brand : Bunn
Model : 04275.0031
Category : Coffee machine