Troubleshooting: Filling, Heating, and Brewing

Heating Problems

The heating system consists of the following components:

Liquid Level Control, located behind the front enclosure panel.

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

Thermostat, located on the tank or on the front of top control panel under top cover.

Heater Relay, located in top control section under top cover.

Heating Elements, located on tank top under top cover.

Problem

Possible Cause

Service Check

Remedy

 

 

 

 

 

 

 

 

Tank does not

Low electrode faulty

Jumper from XL ter-

Clean electrodes, check wiring. If

minal on level control

heat.

or covered w/lime.

no remedy, replace electrodes.

to metal body allows

 

 

 

 

 

heating.

 

 

 

 

 

 

Level control faulty.

Check for 120V be-

If 120V is not at HEAT, replace level

 

 

tween H and N ter-

control.

 

 

minals on level control.

 

 

 

 

 

If OK, jumper between

 

 

 

XL and metal body and

 

 

 

check for 120V

 

 

 

between HEAT and N

 

 

 

terminals.

 

 

 

 

 

 

Thermostat faulty or

Make sure thermostat

Recalibrate thermostat. If no reme-

 

out of calibration.

is turned on. Jumper

dy or thermostat does not cycle,

 

 

across thermostat

replace thermostat.

 

 

allows heating.

 

 

 

 

 

 

Heater relay coil

Check for 120V

If correct voltage, but contactor not

 

across contactor coil.

 

faulty. (electric heat)

closing, replace contactor.

 

 

 

 

 

 

 

Heater contactor

Check for heater vol-

If no continuity across contactor

 

contacts faulty.

tage between each

when it is closed, replace contactor.

 

 

heater pole on contact-

 

 

 

or, and different pole.

 

 

 

 

 

 

Heater faulty.

Check resistance

If resistance is much different than

 

 

across elements with

10 to 15 ohms, replace heater.

 

 

wires disconnected.

 

 

 

 

 

Recovery time is

Heater faulty.

See above.

See above.

 

 

 

very long.

 

 

 

Low temp/no brew

Water is above 190

Turn down brew thermostat, see

 

 

thermostat set too

degrees F, but HOT

adjustments.

 

high.

WATER light is off.

 

 

 

 

 

If you still need help, call our Technical Service Department at (502) 425-4776 or (800) 695-4500 (USA & Canada only) Monday thru Friday 8 am - 8 pm EST or an authorized service center in your area. Please have the model and serial numbers ready so that accurate information can be given. Prior authorization must be obtained from Grindmaster Corporation’s Technical Service Department for all warranty claims.

Shuttle Brewers & Airpot/Shuttle Brewers

Page 13

Page 13
Image 13
Grindmaster P400ESHP instruction manual Recovery time is

P400ESHP specifications

The Grindmaster P400ESHP is a top-of-the-line espresso machine designed for both efficiency and performance, catering to the needs of coffee professionals and enthusiasts alike. Its robust construction and innovative features make it a versatile choice for various establishments, from bustling coffee shops to high-end restaurants.

One of the primary features of the P400ESHP is its dual boiler system. This technology allows for simultaneous brewing and steaming, significantly reducing wait times during peak hours. The independent temperature control for each boiler ensures that each espresso shot is extracted under optimal conditions, enhancing the flavor and aroma profile of the coffee.

Additionally, the Grindmaster P400ESHP incorporates advanced PID temperature control. This precision technology ensures consistent temperature stability, which is crucial for producing high-quality espresso. The ability to adjust temperatures in real-time gives baristas the flexibility to experiment with different coffee beans and brewing methods, resulting in a bespoke coffee experience.

The P400ESHP is equipped with a user-friendly touchscreen interface that simplifies navigation through its various settings. Baristas can easily program drink recipes and access maintenance reminders, streamlining workflow and allowing for greater focus on quality beverage preparation.

Moreover, the machine features a powerful 20-bar pump that produces rich crema, enhancing the overall aesthetics and taste of the espresso. The high-performance steam wand is ergonomic, providing excellent control over frothing and texturing milk for lattes and cappuccinos. The wand’s ability to produce dry steam ensures that milk is heated quickly without excess moisture.

In terms of design, the Grindmaster P400ESHP boasts a sleek, stainless steel body that not only looks professional but also ensures durability in a busy environment. It is thoughtfully designed for easy access to internal components, facilitating straightforward maintenance and service.

The P400ESHP also focuses on energy efficiency, with an automatic shut-off feature that conserves power when the machine is not in use. This not only lowers operational costs but also aligns with environmentally-conscious practices.

In conclusion, the Grindmaster P400ESHP stands out as an advanced espresso machine that combines technology, efficiency, and user-centered design. Its outstanding features make it an ideal choice for coffee professionals seeking to elevate their beverage offerings while maintaining consistency and quality.