Grindmaster Crathco MG235-2B

Questions and Answers

N
Norman LunaJul 29, 2025
Why is my Grindmaster Beverage Dispenser not cooling properly even though the compressors are running?
- M
  Megan CastilloJul 29, 2025
  Your Grindmaster Beverage Dispenser might not be cooling effectively due to several reasons. It could be inadequate ventilation around the machine; ensure there's at least 8 inches (20cm) of space and keep it away from heat sources. The freezer might be in defrost mode, so return it to freeze mode. Clogged condenser fins can also cause this issue; clean them with a brush or compressed air after removing the side panels. Another cause may be a malfunctioning fan motor, so check its electrical connections and replace it if necessary. Finally, refrigerant leakage could be the culprit; locate and repair the leak, then recharge the system.
A
Angela LoganAug 3, 2025
What to do if my Grindmaster Beverage Dispenser is not running when the power switch is on?
- S
  scott65Aug 3, 2025
  If your Grindmaster Beverage Dispenser isn't running even with the power switch on, start by checking the fuses and replacing them if they're blown. The pressure cutout switch may have activated due to overheating; ensure the condenser is clean and there's enough ventilation. This switch resets automatically once conditions are corrected. Also, inspect all electrical connections for completeness and correct any that are incomplete. Lastly, the main power switch itself may be faulty and need replacement.
D
Damon GonzalezAug 8, 2025
Why is my Grindmaster Crathco MG235-2B Beverage Dispenser not cooling if the compressors aren't running?
- D
  damon50Aug 8, 2025
  If your Grindmaster Beverage Dispenser isn't cooling and the compressors aren't running, the issue might stem from malfunctioning electrical components of the compressors; replace any faulty components. Incomplete electrical connections could also be the cause; check and correct any incomplete contacts. It's also possible that one or more of the compressors are malfunctioning and need replacement. Another potential issue is a lack of current to the 'compressor delay' PC board; inspect the electrical connections to the PC board and the transformer feeding it, correcting any issues found.
K
Krista KruegerAug 13, 2025
How to fix a Grindmaster Crathco MG235-2B that is over-freezing?
- L
  lcarterAug 13, 2025
  If your Grindmaster Beverage Dispenser is over-freezing, causing the auger to slow down or stop, first check if the product brix level is too low and correct it. Also, the screw setting for the product consistency control system might be set too far toward the '+' position; reset the screw toward the '-' position for a thinner consistency. Ensure the limit switch arm isn't bent away from the gearmotor, preventing contact; straighten it with pliers if needed. If the product level in the bowl is too low, exposing the auger, add more product or turn the refrigeration 'Off'. Finally, the compressor PC board contacts might not be opening, requiring you to replace the PC board.
J
Johnny KellyAug 18, 2025
Why is my Grindmaster Crathco MG235-2B so noisy?
- A
  Andrea WalkerAug 18, 2025
  If your Grindmaster Beverage Dispenser is making excessive noise, it's possible that the fan motor blades are hitting internal components. Check the fan and correct the positioning to eliminate the contact.
D
Dale WeberAug 23, 2025
What to do if the product is leaking from the Grindmaster Crathco MG235-2B bowl?
- A
  Allison BarnettAug 23, 2025
  If product is leaking from the bowl of your Grindmaster Beverage Dispenser, it's likely that one of the bowl seals is not in place. Replace or reposition the seals to resolve the leak.

Summary

Introduction and Warnings

General Safety Precautions

Essential safety warnings and guidelines before operating the Granita machine.

Installation

Positioning and Ventilation

Guidelines for machine placement, required clearance, and optimal room temperature.

Power Connection

Electrical Safety and Connection

Procedures for safe and proper connection to a grounded electrical outlet.

Product Preparation

Brix Requirement and Mixing

Ensure mixture has 13% Brix; never use only water to avoid damage.

Operating Panel - G Series

Electronic Touchpad Controls

Error Messages - G Series

Filter Cleaning Alarm

Explains 'FILTER CLEANING' alarm and corrective actions.

System Over Temperature Alarm

Explains 'SYSTEM OVER TEMPERATURE' alarm and corrective actions.

Operating Panel - MG Series

Rocker Switch Controls

Cleaning and Sanitizing

Daily Cleaning Procedures

Maintenance

Filter and Condenser Cleaning

Procedures for cleaning the filter and condenser for system efficiency.

Preventive Maintenance (PM) Checklist

Kit 90566 PM Procedures

Kit 90104 PM Procedures

Troubleshooting Guide

Cooling and Compressor Issues

Diagnosing and solving problems related to cooling performance and compressor operation.

Operational and Leakage Problems

Troubleshooting issues with auger movement, noise, leaks, and errors.