Grindmaster CC-302-20 Troubleshooting Guide, Problem Probable Cause Corrective Action

Page 20

Troubleshooting Guide

Only a qualified service technician should perform Electrical and mechanical adjustments or repairs. Always disconnect power before attempting any maintenance procedures.

PROBLEM

PROBABLE CAUSE

CORRECTIVE ACTION

 

 

 

No powder dispensed

• Rinse switch turned to “RINSE ON” position

• Flip rinse switch to “RINSE OFF” position

into mixing funnel

• Powder hopper dispense outlet clogged

• Refer to Cleaning of Hoppers section

 

• No or low powder level in hopper

• Refill hopper

 

• Hopper drivelink not engaged with motor

• Remove and reinstall hopper and ensure

 

 

engagement with motor

 

• Hopper elbow is not directed into the mixing

• Turn down dispense elbow; line it up with mixing

 

funnel

funnel

 

 

 

Machine will not

• Power turned “OFF” to machine

• Ensure power switch is in “ON” position, machine is

dispense any product

 

plugged in and water is turned on

(water or powder)

• Dispense cycle watchdog timer has tripped

• Reset machine by flipping power switch “OFF” then

 

 

“ON” once (the maximum run time per head is

 

 

limited to 40 seconds before watchdog timer

 

 

disables the dispense heads)

 

• Faulty transformer

• Contact factory for assistance

 

• Faulty control board

• Contact factory for assistance

 

 

 

Product not whipping

• Whipper blade broken or missing

• Verify blade is in place. Replace if broken or missing

 

 

 

Water overflows mixing

• Water flow too fast

• Contact factory for assistance

funnel

 

Dump valves to be adjusted

 

• Whipper chamber outlet restricted

• Remove obstruction

 

• Whipper blade broken or missing

• Verify blade is in place. Replace if broken or missing

 

 

 

Drink is too weak or

 

Refer to Drink Strength Adjustment section (page 6)

strong

 

 

 

 

 

Drink is too hot or cold

 

Refer to Thermostat Adjustment section (page 6)

 

 

 

No hot water from

• Check for flashing lights on controller

• Refer to Controller Diagnostics section (page 20)

dispense head

• Water level in tank is below water probe

• Ensure that water supply to machine is “ON” and

 

 

reset power to machine

 

• Thermostat not adjusted

• See Thermostat Adjustment section (page 6)

 

• Faulty heater relay

• Replace heater relay (page 18)

 

• Dump tube from water tank is kinked

• Check tubing for obstructions

 

• Water shorting out probe connections

• Dry connections on tank

 

 

 

Water tank boils water

• Check for flashing lights on controller

• Refer to Controller Diagnostics section (page 20)

 

• Thermostat adjustment set too high

• Refer to Thermostat Adjustment section (page 6)

 

• Faulty heater relay

• Replace heater relay (page 18)

 

 

 

No water dispensed

• Water supply to machine turned “OFF”

• Turn “ON” water supply to machine

from dispense nozzle

• Check for flashing lights on controller

• Refer to Controller Diagnostics section (page 20)

 

• Faulty dump valve

• Replace dump valve (page 14)

 

 

 

Water overflows from

• Leaky inlet water valve

• Replace inlet water valve

water tank

• Faulty level probe connection

• Check level probe connections

 

• Faulty level probe due to mineral build-up

• Replace probe

 

• Inlet water pressure too high

• Install pressure regulator to water inlet

 

(greater than 120 psi)

 

 

 

 

Machine inadvertently

• Wet wiring connections on harness or

• Allow connections to dry

dispenses from

controller

 

dispense heads

 

 

 

 

 

Drink is cold and ready

• Check for flashing lights on controller

• Refer to Controller Diagnostics section (page 20)

light is on

 

 

 

 

 

Page 20

Crathco® Powdered Beverage Dispensers

 

 

Image 20
Contents Crathco Powdered Beverage Dispensers Advertencia Crathco Powdered Beverage Dispensers Installation Start-up Procedure for Standard UnitsStart-Up Procedures for Pump Units PIC 2P & PIC 3P only Water Inlet ConnectionPortion Adjustment How to Dispense a Cup of CappuccinoAdjustments Thermostat Adjustment Drink Strength AdjustmentCleaning Drink Strength Adjustment for Model PIC3E or PIC33AEWeekly Weekly Reassembling the Hoppers PIC 1/2/3/5/6 Refer to FigureWeekly Cleaning Quarterly CleaningPIC Preventative Maintenance Checklist Every 6 to 12 months Draining the Tank PIC 2/3/4 ServiceTo Prepare for Shipment Purging Machine of All Water for Shipment in Cold Areas 120V Whipper Motor Replacement Kit # Quantity Description230V Whipper Motor Replacement Kit # Quantity Description Removal of Whipper Motors Figure QCrathco Powdered Beverage Dispensers Removal of Inlet Valve Figure CCRemoval of Thermistor Thermistor CurveRemoval of Auger Motors Removal of Blower MotorRemoval of Controller Removal of Heater RelayCrathco Powdered Beverage Dispensers Troubleshooting Guide Problem Probable Cause Corrective ActionTroubleshooting Guide PIC 1 Chassis Parts PIC 1 Hopper Bracket PIC 1 Door Assembly PIC 1 Tank Assembly Units with serial numbers beginning with L or TUnits with serial numbers beginning with T $2!7.Ĥ 63097 PIC 2/3 Chassis Parts PIC 2/3 Hopper Bracket PIC 2/3 Tank Assembly PIC 2/3 Door Assembly PIC 4 Chassis Parts PIC 4 Control Bracket Assembly BasePIC43A Control Bracket Assembly PIC 4 Hopper Bracket PIC 4 Hopper PIC 4 Tank Assembly OHPHQWPIC 4 Door Assembly PIC 4 Final Assembly PIC 5 Casing Assembly PIC 5 Base AssemblyPIC 5 Door Assembly Item NO. Part NO. DescriptionPIC 5 Hopper Bracket Assembly Hopper Brkt Asy PIC5Crathco Powdered Beverage Dispensers PIC 5 Final Assembly PIC5 Final AssemblyPIC 6 Casing Assembly PIC 6 Lid AssemblyPIC 6 Base Assembly 62876 62874PIC 5/6 Control Bracket Assembly PIC 6 Door AssemblyPIC 6 Hopper Bracket Assembly 62863PIC 6 Final Assembly PIC 1 120V and 120/240V Q Model Wiring PIC 1 230V E Model Wiring PIC1KE or PIC1KAE, 230V E Model Wiring PIC1K or PIC1KA 120 & 120/240 Q Model Wiring PIC1KAEW or PIC1KEW Wiring CAP1AE or CAP1E 230V E Model Wiring PIC 2/3 120 & 120/240V Q Model Wiring Crathco Powdered Beverage Dispensers PIC33AE 230V CE Model Wiring with 3-Portion Touch Pads PIC 2/3 100 & 200V J Model Wiring Crathco Powdered Beverage Dispensers Crathco Powdered Beverage Dispensers PIC 4 Wiring PIC43A 120V & PIC43AQ 120/240V Wiring PIC43AZ and PIC43AWZ Model Wiring with 3-Portion Touchpad PIC4Z, PIC4AZ, PIC4WZ, PIC4AWZ 240V Model Wiring PIC 5/6 Wiring Crathco Powdered Beverage Dispensers Grindmaster Corporation

CC-302-20 specifications

The Grindmaster CC-302-20 is a highly regarded coffee brewing machine designed for cafes and restaurants that require both quality and efficiency. This model stands out for its user-friendly features and advanced brewing technology, making it a popular choice among coffee enthusiasts and professionals alike.

One of the main features of the Grindmaster CC-302-20 is its programmable brewing cycles. This allows operators to customize brew times and temperatures according to their specific coffee offerings. The machine can brew up to 3 gallons of coffee per cycle, ensuring that businesses can meet high demand during peak hours without compromising on quality.

A significant characteristic of the CC-302-20 is its digital display, which provides real-time information on brewing status and alerts for maintenance needs. This feature ensures that users can monitor the brewing process at a glance, minimizing the chance of over-brewing or under-brewing coffee. The machine also includes an automatic shut-off function, which enhances energy efficiency and safety.

The Grindmaster CC-302-20 incorporates advanced brewing technology, notably its precision temperature control system. This system guarantees that water is heated to the optimal brewing temperature, which is crucial for maximizing the extraction of coffee flavors. This feature is particularly beneficial for cafes that pride themselves on serving high-quality, flavorful coffee.

Additionally, the CC-302-20 is designed with a durable, stainless steel construction, ensuring long-lasting performance in busy commercial environments. Its compact footprint makes it suitable for various countertop sizes, while the sleek design contributes to an appealing aesthetic in any coffee shop or restaurant.

Maintenance is another critical aspect of the Grindmaster CC-302-20. The machine is engineered for easy access to components, making it simple for staff to clean and service as needed. Regular maintenance routines can help extend the life of the equipment and maintain optimum brewing performance.

In conclusion, the Grindmaster CC-302-20 coffee brewer is an exceptional choice for establishments seeking a reliable, efficient, and high-quality brewing solution. Its programmable features, precision temperature control, and durable design make it an investment that meets the demands of busy coffee environments while consistently delivering delicious brews.