Bunn 392 manual Troubleshooting, Problem Probable Cause

Page 6

TROUBLESHOOTING

A troubleshooting guide is provided to suggest probable causes and remedies for the most likely problems encountered. If the problem remains after exhausting the troubleshooting steps, contact the Bunn-O-Matic Technical Service Department.

Testing, and repair of electrical equipment should be performed only by qualified service personnel.

All electronic components have 120 volt AC or low voltage DC potential on their terminals. Shorting of ter- minals or the application of external voltages may result in electrical shock.

This brewer is heated at all times. Keep away from combustibles.

WARNING –

• Exercise extreme caution when servicing electrical equipment.

 

Unplug the brewer when servicing.

 

 

Follow recommended service procedures

 

PROBLEM

 

PROBABLE CAUSE

REMEDY

Beverage overflows decanter

Weak beverage

Dry coffee grounds remain in the funnel

1.

Decanter

The decanter must be completely

 

 

empty before starting a brew

 

 

cycle.

1.

Filter Type

BUNN® paper filters must be used

 

 

for proper extraction.

2.

Coffee Grind

A fine or drip grind must be used

 

 

for proper extraction.

3.

Sprayhead

A six-hole stainless steel spray-

 

 

head must be used for proper

 

 

extraction.

4.

Funnel Loading

The BUNN® paper filter must be

 

 

centered in the funnel and the

 

 

bed of ground leveled by gentle

 

 

shaking.

5.

Water Temperature

Place an empty funnel on an empty

 

 

dispenser beneath the sprayhead.

 

 

Initiate a brew cycle and check the

 

 

water temperature immediately

 

 

below the sprayhead with a ther-

 

 

mometer. The reading should not

 

 

be less than 195°F (91°C). Adjust

 

 

the control thermostat to increase

 

 

the water temperature. Replace if

 

 

necessary.

1.

Funnel Loading

The BUNN® paper filter must be

 

 

centered in the funnel and the

 

 

bed of grounds leveled by gently

 

 

shaking.

Page 6

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Contents 392 Warranty IntroductionUser Notices User Notices Electrical Requirements Initial SET-UPPour in Water only Cleaning Coffee BrewingTroubleshooting Problem Probable CauseWiring Diagram 126 Pitcher
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392 specifications

The Bunn 392 coffee maker is a commercial-grade brewer that stands out for its efficiency, durability, and advanced brewing technologies. As a top choice for restaurants, cafes, and other high-demand environments, the Bunn 392 is designed to deliver high-quality coffee quickly and consistently.

One of the most notable features of the Bunn 392 is its ability to brew up to 3.8 gallons of coffee per hour. This high output makes it particularly suitable for busy settings where quick service is essential. With its dual-voltage capability, the machine can be used in various facilities without the need for specialized electrical setups, adding to its versatility.

In terms of brewing technology, the Bunn 392 employs a unique pour-over system that ensures optimal water temperature and contact time for maximum extraction. This method results in a rich and flavorful cup of coffee, making it ideal for coffee aficionados and casual drinkers alike. The machine features a built-in hot water faucet, allowing users to prepare tea, soup, or other hot beverages on demand, further enhancing its functionality.

The Bunn 392 is equipped with a stainless steel construction, which not only adds to its durability but also ensures easy cleaning and maintenance. The exterior is designed to withstand the rigors of a busy kitchen while maintaining an attractive appearance. Additionally, its compact design fits neatly on countertops, making it a space-efficient choice for smaller cafes or restaurants.

This model also incorporates a precision brew timer, allowing operators to set the brewing time according to their specific needs. This feature helps in managing busy periods effectively, ensuring that the coffee is ready just when it is needed most. The Bunn 392 is compatible with different coffee ground types, offering flexibility in coffee selection and flavors.

For safety, the machine is designed with various features, including a splash guard that helps prevent burns and ensures a clean brewing area. Overall, the Bunn 392 combines advanced technology, robust construction, and user-friendly features, making it a reliable choice for those who demand excellence in their coffee brewing equipment. It delivers not just coffee, but an experience that enhances customer satisfaction and operational efficiency.