Grindmaster P300E, RAPS300E, P400E Troubleshooting Filling, Heating, and Brewing, Filling Problems

Page 11

Troubleshooting: Filling, Heating, and Brewing

Filling Problems

The filling system consists of the following components:

 

Liquid Level Control, located behind the brewer front panel.

 

Liquid Level Probes, located on the tank top, secured by wing nut, under the top cover.

• Fill Valve, located behind the front panel.

 

 

 

 

 

 

Problem

 

Possible Cause

Service Check

Remedy

 

 

 

 

 

 

 

 

Overfilling water

Fill valve not sealing

Water entering tank

Disassemble valve and clean out

tank even when

properly.

continuously, usually

dirt. Valve may need new plunger

power is off.

 

 

slowly.

if seal is worn.

 

 

 

 

 

 

 

Fill valve installed

Look for direction of

If arrow on valve is pointing toward

 

 

water inlet, remove valve and install

 

 

backwards.

arrow on valve body.

 

 

correctly.

 

 

 

 

Overfilling water

High electrode

Jumper HI terminal on

Remove electrode assembly and

tank only when

coated with lime or

level control to metal

clean both probes. If this does not

power is on.

 

faulty.

enclosure stops fill.

work, replace assembly.

 

 

Missing or faulty con-

Jumper from C

Make secure connection of C to

 

 

nection of C terminal

terminal to metal body

 

 

on level control to metal

stops fill.

metal body.

 

 

 

 

 

 

 

 

 

 

Fill valve connected

Check connections.

Connect black lead for valve to

 

 

to heat terminal on

 

FILL on level control.

 

 

level control.

 

 

 

 

 

 

 

 

 

Liquid level control is

Jumper from HI to C

Replace level control.

 

 

faulty.

or metal enclosure

 

 

 

 

does not stop fill.

 

Tank does not

 

No power at

Nothing operates.

Check main switch or circuit

refill.

 

equipment.

 

breaker, brewer's circuit breaker or

 

 

 

 

power switch if provided.

 

 

 

 

 

 

 

No water at

Cracked water inlet

Make sure all water supply line

 

 

equipment.

fitting.

valves are open.

 

 

 

 

 

 

 

Water strainer

Water pressure before

Remove and clean or replace

 

 

strainer but not after.

 

 

clogged.

strainer's mesh.

 

 

 

 

 

 

 

 

 

 

No power to level

Check for 120V AC

If no voltage, check for loose or

 

 

across H and N ter-

broken wires.

 

 

control.

 

 

minals on level control.

 

 

 

 

 

 

 

 

 

 

 

 

Level control faulty.

Disconnect probe wire

If no 120V at FILL terminal,

 

 

 

to HI terminal on level

 

 

 

replace level control.

 

 

 

control. Check for

 

 

 

 

 

 

 

120V at FILL terminal.

 

 

 

 

 

 

 

 

Electrodes faulty.

Tank fills only when

Replace electrodes. If no remedy,

 

 

 

probe wire is discon-

 

 

 

check for improper wiring or level

 

 

 

nected from HI ter-

 

 

 

probe tip touching metal.

 

 

 

minal on level control.

 

 

 

 

 

 

 

 

 

 

 

Fill valve faulty.

120V is across FILL

Disassemble valve and clean or

 

 

 

and N on level control,

 

 

 

replace plunger if frozen. If plunger

 

 

 

but no fill.

 

 

 

is OK, coil may need replacement.

 

 

 

 

 

 

 

 

 

Shuttle Brewers & Airpot/Shuttle Brewers

Page 11

Image 11
Contents Shuttle Brewer & Airpot/Shuttle Brewers Shuttle Brewers & Airpot/Shuttle Brewers InstallationElectric Hook-up Start-upHOT Liquid Hazard OperationAdjusting the Timer AdjustmentsBrew Volume, Brew Timer Two Batch Timer with Knob Adjustment, See Figure Thermostat Adjustment To Adjust the BypassShuttle Brewers & Airpot/Shuttle Brewers Every Day CleaningAfter Each Brew Weekly or Bi-Weekly, Depending on Use ServiceRemove Heater Drain Water TankRemove Brew Valve Filling Problems Troubleshooting Filling, Heating, and BrewingRecovery time is Problem Possible Cause Service Check Remedy Brew volume too Description Parts Illustration for Models P300E & P400EParts Illustration for Model RAP400E Parts Illustration for Model RAPS400E Momentary SwitchParts Illustration for Model VSB-400 LID Stopper W/ O-RING Parts Illustration for Shuttle CS-LLRough-In Drawing for Model P-300 Rough-In Drawing for Model P-400 Rough-In Drawing for Model RAP-300 Rough-In Drawing for Model RAP-400 Rough-In Drawing for Model RAPS-300 Rough-In Drawing for Model RAPS-400 Rough-In Drawing for Model VSB-300 Rough-In Drawing for Model VSB-400 Wiring Diagram for P300E/P400E, with 1 Batch Timer Wiring Diagram for P300E/P400E, with 2 Batch Timer Wiring Diagram for RAP300E/400E Wiring Diagram for Raps 300/400E Wiring Diagram #091-548 Separate 120V Required for Controls 3 AMP Load Wiring Diagram #091-182Shuttle Brewers & Airpot/Shuttle Brewers Shuttle Brewers & Airpot/Shuttle Brewers Shuttle Brewers & Airpot/Shuttle Brewers Grindmaster Corporation Shuttle Brewer & Airpot/Shuttle Brewers

P300E, RAPS400E, P400E, RAP300E, RAP400E specifications

The Grindmaster RAP300E, RAP400E, P400E, RAPS400E, and RAPS300E are advanced coffee grinding machines designed for high-performance use in cafés, restaurants, and coffee shops. These models incorporate innovative technologies that cater to the increasing demand for efficiency and precision in coffee preparation.

Starting with the RAP300E, this grinder boasts an impressive grinding speed, ensuring that coffee enthusiasts can swiftly grind their favorite beans without sacrifice to flavor integrity. It features an intuitive display which allows for easy operation and adjustment of grind settings. The RAP300E utilizes durable burrs, enhancing its ability to maintain a consistent grind size, a critical factor for achieving the perfect espresso shot.

The RAP400E enhances the capabilities of the RAP300E with a stronger motor that accommodates larger volumes of coffee beans. This feature is particularly useful for businesses with high customer turnover. Additionally, this model includes advanced noise reduction technology, allowing for quieter operation—a significant advantage in busy coffee environments where the ambience matters.

The P400E makes its mark with a focus on portability and compact design. Ideal for smaller coffee shops or mobile setups, it retains the essential features found in larger models without compromising on quality. Users will appreciate its lightweight construction and easy-to-navigate interface, making it a standout choice for baristas on the go.

In the RAPS400E and RAPS300E models, Grindmaster introduces the innovative Automatic Portion System (APS), which ensures precise measurements for each coffee grind. This technology reduces wastage and ensures consistency in serving sizes, thereby maintaining the quality of each cup brewed. Both models offer extensive customization options for grind settings, enabling baristas to experiment with various brew methods.

Moreover, all these machines are built with user-friendly maintenance features. They offer easy access to the burrs for cleaning and adjustment, extending the lifespan of the equipment. The machines are also made from high-quality materials that ensure durability, crucial for demanding work environments.

In summary, the Grindmaster RAP series, along with the P400E, represents a leap in coffee grinding technology. These models are tailored to meet the evolving needs of the coffee industry, combining user-friendly designs with advanced functionalities, making them invaluable assets for coffee professionals.