Troubleshooting

ProblemSuggestions

Coffee not coming out

Initial set up required - see page 4.

Make sure lid is closed.

Evaporation can occur over time - reservoir may need to be refilled. See initial set up on page 4.

Requires a minimum of 4 cups (591.5 ml / 20 oz) to begin brewing.

Check sprayhead holes, clean if necessary. See deliming instructions (step 5) on page 8.

Brewed only partial decanter

Evaporation can occur over time - reservoir may need refilled. See initial set up on page 4.

Some water is always absorbed by the coffee grounds and filter. You may need to adjust water input accordingly.

Funnel is overflowing

Use BUNN paper filters.

Sprayhead is missing.

Decaffeinated, fine grind coffee or softened water is used. See bottom of page 10 to order correct sprayhead or paper filters.

Coffee is cold

Plug in brewer and turn on vacation switch on side

of brewer. Allow 15 minutes for water to heat to proper temperature.

Coffee is not staying hot

Warmer switch should be in the “on” position. (BX, GRX, NHBX)

If using a BTX with thermal carafe, pre-heating will increase the time your coffee will stay warm.

Loud rumbling noise

Normal while water is heating.

May be time to delime. Refer to page 8.

Waterflow begins before lid is closed

Make sure lid is fully open.

Brewer is not designed to hold water in upper tray for an extended period of time.

Remove top lid to ensure rocker arm is snapped in place and rubber stopper area is thoroughly cleaned.

Deliming tool doesn’t go in

 

Refer to deliming instructions (step 3) on page 8.

all the way

 

 

 

 

 

 

 

 

 

 

 

Brewer leaks

 

For repair information, go to www.bunn.com, Home Coffee

 

 

 

Brewers or call 800-263-2256.

 

 

 

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Bunn GRX-W, GRX-B, BX-W manual Troubleshooting, ProblemSuggestions, Warmer switch should be in the on position. BX, GRX, Nhbx

BX-W, GRX-W, GRX-B specifications

The Bunn GRX-W, GRX-B, and BX-W are integral models in Bunn’s exceptional line of commercial coffee brewing equipment, widely recognized for their reliability and performance in serving high-quality beverages. These models cater to various settings, from cafes to restaurants, ensuring an optimal brewing experience.

The Bunn GRX series, which includes the GRX-W (with a white finish) and GRX-B (in black), is designed to deliver consistently brewed coffee with exceptional flavor profiles. One of the standout features of the GRX series is its patented brewing technology that uses a unique spray head design, ensuring optimal extraction from coffee grounds. This design promotes even saturation, allowing for maximum flavor extraction and ensuring that each cup of coffee is rich and aromatic.

Both GRX models come equipped with a digital timer that not only simplifies operation but also enables precise control over the brewing process. This feature allows for customization of brewing times and water temperature, essential for achieving specific flavor notes that coffee enthusiasts crave. The machines also have a powerful heating element that provides quick recovery time, ensuring fast service during peak hours.

The Bunn BX-W, on the other hand, is tailored for users seeking versatility and convenience. This model stands out with its sleek design and user-friendly interface, which includes a single machine that can brew both traditional coffee and specialty beverage options. The BX-W utilizes a similar advanced brewing technology as the GRX series, ensuring that beverages maintain high quality whether brewed for quick serve or extensive orders.

All three models focus on energy efficiency and durability. They are constructed with high-quality materials designed to withstand the rigorous demands of a busy commercial setting. In addition, the Bunn machines feature an easy-to-clean design, with accessible components that minimize downtime and maintenance efforts.

Furthermore, Bunn’s commitment to innovation is evident in their incorporation of intuitive controls and display indicators, which enhance the user experience and operational efficiency. These features ensure that staff can brew with precision while maintaining consistent quality, making the Bunn GRX-W, GRX-B, and BX-W ideal choices for any establishment looking to elevate their coffee service.

Investing in these machines not only ensures excellent coffee but also adds to the professionalism and appeal of the serving space, making them essential for any quality-driven beverage operation.