In this episode, we digging into the importance of ongoing training and education in the refrigeration industry, particularly as the season transitions to fall. From basic supermarket training programs to advanced concepts, there’s so much value in understanding the engineering aspects of refrigeration systems for any technicians aiming to enhance their troubleshooting skills, confidence, and career growth. This episode also includes success stories from technicians who have advanced rapidly by investing in training and taking advantage of available resources.

In this episode, we cover:

-Training programs and success stories

-Importance of P&IDs

-Troubleshooting techniques

-Investing in continuous learning

-Resourcefulness and problem solving

-Having checklists

-Service call dilemmas

-Efficiency in troubleshooting

-Investing in yourself

-Learning from others

-Importance of asking questions

-Future of refrigeration

Helpful Links & Resources:

Supermarket Refrigeration Tech-Talk

Episode 250. Service Call Stories and Troubleshooting Tips with Andrew Freeburg

Episode 288. The Payoff of Investing Time & Money in Training with Jesse Stewart

Episode 139. 7 Tips For Building Good Training And Development Habits

Join the Refrigeration Mentor Hub here

Learn more about Refrigeration Mentor Customized Technical Training Programs at www.refrigerationmentor.com/courses

In this episode, I’m sharing 7 essential service and maintenance tips for transcritical CO2 refrigeration systems. These tips will help refrigeration technicians build confidence and capability in handling CO2 systems. They include building a baseline snapshot, ensuring gas cooler health, optimizing high-pressure valves, stabilizing flash tanks, maintaining proper superheat, managing oil return, and emphasizing safety. I also cover practical field checks and signs to look for when on service calls that will help your troubleshoot and make repairs more efficiently.

In this episode, we discuss:

-Building a baseline

-Gas cooler health check

-High pressure valve optimization

-Flash tank stability

-Defrost and compressor checks

-Oil management essentials

-Field techniques and observations

-Ssafety protocols and leak response

-CO2 system maintenance tips

Helpful Links & Resources:

Episode 227. Getting to Know Transcritical CO2 Supermarket Refrigeration Systems with Kevin Mullis

Episode 73: Tips And Tricks When Working On CO2 Transcritical Systems

VIDEO: Pushing Dorin CO2 Compressors to the Limit | A Deep Dive into Qualification Testing

Join the Refrigeration Mentor Hub here

Learn more about Refrigeration Mentor Customized Technical Training Programs at www.refrigerationmentor.com/courses

In this episode, we take an in-depth look at compressor electrical failures. We’ll break down common issues such as burnt motor windings, short to ground, oil contamination, single phasing, and more. We’ll also cover the importance of thorough diagnostics, regular checklists, and understanding the root causes to prevent repeat failures. This episode is packed with practical tips and techniques for troubleshooting and improving your skills in refrigeration maintenance and repair.

In this episode, we discuss:

-Compressor electrical failures

-Burnt motor windings

-Short to ground issues

-Oil contamination

-Single phasing and phase imbalance

-Locked rotor and mechanical seizure

-Contactor failures and overload protectors

-Diagnosing compressor issues

-Performing an ohm test

-Understanding rated load amps

-Using manufacturer software for diagnostics

-Quick checks for compressor health

-Electrical troubleshooting tips

-Common electrical failures

-Importance of checklists

Helpful Links & Resources:

Episode 323. Electrical Troubleshooting 101

Episode 115: Understanding Compressors: What You Need To Know

Episode 12. You Need To Know About Refrigeration Compressor Electrical Issues