Troubleshooting (cont.)

Brewing Problems

Problem

 

Possible Causes

Service Check

Remedy

 

 

 

 

 

 

Brew volume too

• Sprayhead clogged.

• Visually check for

• Clean all holes.

large or too small

 

 

clogging of holes

 

 

 

 

 

in brewhead.

 

 

 

• Brew valves clogged

• Visually inspect

• Clean lime from valve. Seat,

 

with lime deposits.

brew valve at

cup or entire valve may need

 

 

 

hose connections.

replacement.

 

• Water supply pressure

• Check to see that fill

• Supply water at adequate

 

or flow rate not

valve cycles on and

pressure and flow rate.

 

adequate.

off frequently during

 

 

 

 

 

brew cycle when all

 

 

 

 

 

brew heads are used

 

 

 

 

 

simultaneously. Check

 

 

 

 

 

to ensure that water

 

 

 

 

 

supply line is 3/8” and

 

 

 

 

 

pressure is between

 

 

 

 

 

30 and 80 psi (207 and

 

 

 

 

 

552 KPA).

 

 

 

 

 

 

 

 

Brew volume

• Water supply pressure

• Check water pressure

• Plumb water supply so that

erratic

fluctuates.

with and without other

water pressure is not

 

 

 

appliances operating.

significantly affected by

 

 

 

 

other appliances.

 

 

 

 

 

 

 

 

Note: Small variations from batch to batch are normal.

 

 

 

 

 

 

 

 

 

 

 

 

 

Brew cycle will

• Optional momentary

• Check to see that

• If fully engaged switch does

not start

switch to indicate

container fully engages

not complete circuit across

 

container in place not

switch. Check for

terminals of switch, replace

 

engaged or faulty.

continuity across switch

switch.

 

 

 

when switch is engaged.

 

 

 

• Brew circuit connections

• Check to see that

• Secure connections.

 

not secure.

connector (6-pin)

 

 

 

 

 

is securely connected to

 

 

 

 

 

control board. Check to

 

 

 

 

 

see that all connections

 

 

 

 

 

from controller through

 

 

 

 

 

brew valve are secure.

 

 

 

• Brew valve faulty.

• Check to see if there is

• If there is 24 Vac across

 

 

 

24 Vac across brew valve

terminals and brew valve is

 

 

 

terminals.

not open, replace valve.

 

• Touchpad faulty.

• Check to see that

• If connections are secure,

 

 

 

touchpad connections

other functions appear normal

 

 

 

to control board are

and touchpad will not initiate a

 

 

 

secure.

brew cycle, replace touchpad.

 

 

 

 

 

 

 

 

 

 

 

 

Shuttle Brewers & Airpot/Shuttle Brewers

Page 25

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Grindmaster APBVSA-330V2E230, APBIC-430V2, PBIC-430V2E230, APBVSA-430V2 Brew volume, Erratic, Brew cycle will, Not start
Page 24 Page 26

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.
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