Troubleshooting

The following pages are provided to help determine the cause of problems with operation of the brewers and to indicate the appropriate solution for the problems. For each problem, the possible causes should be checked in the order shown until the exact nature of the problem is determined.

The following procedures must be performed by a qualified service technician. Disconnect power to machine before servicing.

Error Messages

Problem

Possible Causes

Service Check

Remedy

 

 

 

 

ER1

• Fill valve on for over

• Check system for

• Correct any leaks and reset

 

6 min. (This occurs

water leaks.

controller.

 

during initial fill on some

 

 

 

units – see Initial

 

 

 

Start-up.)

 

 

 

 

 

 

ER2

• Thermistor failure or

• Ensure that connector

• Secure connections and reset

 

loose connections in

is securely attached to

controller. If error reoccurs,

 

thermistor circuit.

controller and that

replace thermistor.

 

 

thermistor is securely

 

 

 

connected.

 

 

 

 

 

ER3

• Thermistor is reading

• Check tank

• Replace thermistor.

 

out of range.

temperature.

 

 

 

 

 

ER4

• No heat is detected

• See Heating Problems

• See Heating Problems

 

 

 

 

Filling Problems

Problem

Possible Causes

Service Check

Remedy

 

 

 

 

Overfilling water

• Fill valve not sealing

• Check to see if water

• Disassemble valve and clean

tank when power

properly.

enters tank continuously

out debris. Valve may need to

is Off

 

(usually at a slow rate).

be replaced.

 

 

 

 

 

 

 

Overfilling water

• High electrode coated

• Disconnect electrode

• Remove electrode assembly

tank only when

with lime or faulty.

wire at quick connect

and clean the probes. If

power is On

 

(brown wire). Connect a

problem is not corrected,

 

wire from the quick con-

replace electrode assembly.

 

 

 

 

nect to the cabinet body.

 

 

 

If filling stops, this is the

 

 

 

error cause.

 

 

• Connection from

• Check to ensure

• Make connection to tank

 

control board to tank

connection (red

secure.

 

body faulty.

wire) is secure.

 

 

• Control board is faulty.

• Secure connection from

• Replace control board.

 

 

control board to metal

 

 

 

enclosure does not

 

 

 

stop filling.

 

 

 

 

 

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Shuttle Brewers & Airpot/Shuttle Brewers

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Grindmaster APBIC-330V2, APBVSA-330V2E230, APBIC-430V2, PBIC-430V2E230, APBVSA-430V2, APB-330V2E230 Troubleshooting

APB-430V2E230, APBIC-330V2E230, APB-430V2, APBIC-330V2, APBVSA-430V2E230 specifications

Grindmaster’s lineup of commercial coffee brewing systems, including the APBVSA-330V2, APBIC-330V2, APBIC-430V2, APBVSA-430V2, and APB-430V2, is designed to meet the demands of high-volume coffee setups, offering a blend of efficiency, precision, and technology. These models are tailored for establishments such as cafes, restaurants, and convenience stores, where quality coffee is essential.

A prominent feature across these models is the advanced digital control system that ensures precise brewing temperatures and times. This technology is crucial for extracting the optimal flavor from coffee grounds. User-friendly touchscreen interfaces allow baristas to easily adjust settings, making these machines accessible even for less experienced staff.

The APBVSA (Auto Programmable Batching Variable Speed Appliances) series includes the APBVSA-330V2 and APBVSA-430V2, both known for their high-capacity brewing capabilities. They are equipped with variable speed pumps that enhance coffee extraction consistency. This feature is vital for operations that demand a steady volume of brew while maintaining high-quality standards. These models also incorporate brewing profiles that can be programmed to suit different types of coffee, allowing for customization based on customer preferences.

In contrast, the APBIC (Auto Programmable Batch Instant Coffee) versions, such as the APBIC-330V2 and APBIC-430V2, focus on instant coffee solutions. These machines provide an equally efficient service but are optimized for businesses that may not require the full range of brewing capacities. They offer quick brewing cycles and maintain a compact design, making them ideal for establishments with limited space.

The APB-430V2 represents a balance between capacity and versatility. This model features a dual brewing system allowing for simultaneous brewing of different coffee types, catering to diverse customer preferences effectively. The innovative thermal carafes that are often included with these models help maintain ideal serving temperatures without the risk of overbrewing.

All models feature robust construction and durable materials, ensuring longevity even in the busiest environments. Additionally, their energy-efficient systems are designed to reduce power consumption, appealing to environmentally conscious businesses.

In summary, the Grindmaster APB series combines technology with user-friendly operation, catering to the growing demand for high-quality, batch-brewed coffee in commercial settings. With their advanced features, each model serves a unique purpose, allowing businesses flexibility in meeting customer demands while optimizing their brewing operations.