TROUBLESHOOTING (Continued)

 

 

 

Problem

Probable Cause

Remedy

Grinder will not start (continued)

5.

Relay

Check that relay contacts close

 

 

 

when start switch is pressed.

 

6.

Motor

With a voltmeter, check that 120

 

 

 

volts AC is present across L1 and

 

 

 

L2 on the rear of the motor when

 

 

 

the Start switch is pressed. If volt-

 

 

 

age is present, and motor does not

 

 

 

start, replace motor.

Grinder will not shut off

1.

STOP button

Use “TEST SWITCHES?” menu un-

 

 

 

der “SERVICE TOOLS?” menu in

 

 

 

level 1 functions to test STOP but-

 

 

 

ton.

 

2.

Relay

With power removed from the ma-

 

 

 

chine, check that there is no conti-

 

 

 

nuity across the relay contacts.

Incorrect weight of coffee dis- pensed

1.Grinder scale requires calibra- tion.

2.Funnel handle touched during grinding.

Refer to GRINDER WEIGHT CALI- BRATION procedure.

Do not touch funnel or funnel han- dle during grinding operation.

14

41451.0001

111909

 

Page 13 Page 15
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Image 14
Bunn G9WD-RH service manual Start, replace motor
Page 13 Page 15

G9WD-RH specifications

The Bunn G9WD-RH is a premier commercial coffee grinder designed for high-demand environments, such as cafes, restaurants, and coffee shops. Renowned for its efficiency, durability, and consistency, this grinder is an essential piece of equipment for any establishment that values quality coffee.

One of the standout features of the Bunn G9WD-RH is its powerful grinding capabilities. Equipped with a 1.1 horsepower motor, it can easily handle high volumes of coffee beans, making it ideal for busy locations. This grinder operates at a speed of approximately 3,600 RPM, allowing for quick and uniform grinding, which is crucial for achieving optimal flavor extraction.

The G9WD-RH utilizes a unique patented design for its burrs. The burrs are made of high-quality stainless steel and provide a precise grind size that can be easily adjusted. This adjustment can be made on the fly to suit various brewing methods, from espresso to French press, allowing baristas to tailor their grind to the specific needs of each beverage. The grinder has an intuitive control panel that enables users to control grind time accurately, ensuring that the desired amount of coffee is ground each time.

Another notable technology integrated into the Bunn G9WD-RH is its Smart Hopper. This innovative feature allows the grinder to hold up to 1 pound of coffee beans while also providing a built-in grinder activation that stops the grinding process once the hopper is empty. This not only prevents waste but also enhances the overall efficiency of the grinding process.

Durability is a hallmark of the Bunn G9WD-RH, constructed with robust materials that can withstand the rigors of a commercial environment. The unit features a heavy-duty metal housing and a shock-absorbent design that minimizes vibrations, reducing wear and tear over time.

Moreover, the Bunn G9WD-RH is designed for easy maintenance. The grinding chamber can be easily accessed for cleaning, ensuring that the grinder remains sanitary, which is vital for maintaining the quality of the coffee.

In summary, the Bunn G9WD-RH coffee grinder is a reliable and efficient machine that combines advanced technology with practical features, making it an invaluable asset for any coffee-focused business. Its high-performance capabilities paired with user-friendly operations ensure that it stands out in the competitive market of commercial coffee grinders.
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