Troubleshooting (cont.)

Heating Problems

Problem

Possible Causes

Service Check

Remedy

Tank does not heat

•Low (long) electrode coated with lime or faulty.

•Connection from control board to tank body faulty.

•Connections from control board to heater relay faulty.

•Line voltage connections to heater relay faulty.

•Connections to remainder of heater circuit faulty.

• Heater relay faulty.

•Thermal cut-out tripped or faulty.

•Disconnect electrode wire at quick connect (purple wire). Connect a wire from the quick con- nect to the cabinet body. If heating begins, this is the error cause.

•Check to ensure connection (green wire) is secure.

•Check to ensure connections (gray and blue wires) are secure.

•Check to ensure connections (black and brown wires) are secure.

•Check to ensure connections from relay to thermal cut-out and from thermal cut-out to contactor and from contactor to proper ter- minal of terminal block are secure. See wiring diagram for more info- mation.

•Ensure that coil on heater relay is energized by ensuring that there is 24 VDC between the gray and blue wires attached to the relay. Remove the black and brown wires from the relay and check for an open circuit across the connection tabs (COM and NO) to which the wires were attached.

•Check for open circuit on thermal cut-out.

(NOTE: Tripping of thermal cut-out can indicate presence of another problem with the unit. Unit should be monitored)

•Remove electrode assembly and clean the probes. If problem is not corrected, replace electrode assembly.

•Make connection to tank secure.

•Make connections to relay secure.

•Make connections to relay secure.

•Make connections secure.

•If the relay coil is energized and there is an open circuit across the connection tabs, replace relay.

•Replace thermal cut-out.

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Shuttle Brewers & Airpot/Shuttle Brewers

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Grindmaster AM-344-04 instruction manual Troubleshooting
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AM-344-04 specifications

The Grindmaster AM-344-04 is a robust and versatile appliance designed primarily for coffee brewing in commercial settings. This machine stands out in the industry due to its combination of advanced features, user-friendly design, and exceptional brewing capabilities, making it an essential addition for coffee shops, restaurants, and cafes that prioritize quality and efficiency.

One of the main features of the AM-344-04 is its programmable brewing system, which allows users to set precise brewing times and batch sizes. This customization ensures that each pot of coffee is brewed to perfection, catering to diverse customer preferences. The machine can brew up to 12 cups of coffee at a time, ideal for busy environments that demand high throughput.

The Grindmaster AM-344-04 is equipped with a digital control panel that simplifies operation for users. The intuitive interface provides real-time feedback on brewing cycles, water temperature, and brew times, enabling baristas to monitor the process closely. Additionally, the machine's high-efficiency heating element ensures rapid water heating, reducing wait times and increasing productivity, especially during peak hours.

Another notable characteristic of the AM-344-04 is its dual-funnel design, which allows for simultaneous brewing of different coffee blends. This feature is particularly beneficial for establishments that offer a variety of coffee types, as it enables operators to meet diverse customer needs without compromising on quality or service speed.

In terms of build quality, the Grindmaster AM-344-04 features a durable stainless-steel construction that not only enhances its aesthetic appeal but also ensures longevity. The machine is designed to withstand the rigors of daily use in a bustling environment, making it a reliable choice for coffee professionals.

Moreover, the AM-344-04 incorporates advanced brewing technology, including precision spray head systems that evenly distribute water over the coffee grounds. This feature enhances extraction, resulting in a richer and more flavorful brew. Additionally, the machine includes a built-in water filtration system, which helps to improve water quality, further enhancing the taste of the coffee.

Lastly, the Grindmaster AM-344-04 is designed with easy maintenance in mind. Its removable components facilitate quick cleaning, ensuring that the machine remains in optimal condition for high-quality brewing. This attention to ease of use and maintenance makes the AM-344-04 a smart investment for any coffee service operation looking to elevate its offerings. Whether you are a seasoned barista or a new coffee shop owner, the Grindmaster AM-344-04 promises to deliver an exceptional brewing experience.
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