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

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In this episode, we're talking with longtime technician and Refrigeration Mentor Community Ambassador, Andrew Freeburg, about utilizing a consistent troubleshooting framework to get to the cause of issues faster and more accurately - no matter what system you're working on. We cover a variety of refrigeration topics - from extreme heat, to aging equipment, refrigerant changes, poor maintenance and managing long on-call hours. Andrew also shares how he prioritizes on-call calls, the importance of customer communication and teamwork during call surges. This episode is packed with a ton of great tips and advice for refrigeration techs to handle calls and address issues more efficiently and confidently.

In this episode, we discuss:

(00:23) Heat Wave Workloads

(04:09) High Head Troubleshooting

(07:04) Managing On-Calls

(07:46) Prioritizing Emergencies

(10:03) Troubleshooting Framework And Communication

(16:19) Reading The Wiring Diagram

(18:17) Digital Compressor Controls

(24:10) False Oil Trips

(28:53) Flash Codes And Resets

(35:41) Airflow Basic Checks

(38:41) Self Care In The Field

(40:57) Verifications

Helpful Links & Resources:

Episode 203. Supermarket Refrigeration Service Tech Tips with Andrew Freeburg

Episode 401. Troubleshoot Systems and Compressors Quicker (Get My Free Guide)

Episode 413. My 4-Pillar Framework to Learn CO2 Refrigeration Faster

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

Join the Refrigeration Mentor Hub here: www.refrigerationmentor.com/hub

In this episode, we explore the differences between mechanical thermostatic expansion valves (TXVs) and electronic expansion valves (EEVs). I'll explain when each option makes sense in commercial refrigeration, the advantages of electronic valves and the learning curve that comes with electronic controllers. Whether you're experienced with mechanical systems or just starting to work with electronics, this episode offers practical advice for building your skills, improving system performance, and staying relevant as refrigeration technology advances.

In this episode, we cover:

(00:48) Mechanical vs Electronic Debate

(02:21) Where EEVs Shine

(04:53) Controllers and Case Wiring

(05:43) Mindset for Learning Electronics

(06:40) Utilizing Manuals First

(08:03) TXV Setup vs EEV Setup

(09:17) Seasonal Efficiency and CO2

(11:08) Diagnosing Root Causes Before Swapping Parts

(13:46) How to Start with Electronics

Helpful Links & Resources:

Episode 353. Understanding TX Valves (Tips and Troubleshooting)

Episode 336. Fast Track to Learning Electronic Valves & Controllers

Episode 389. TXV & Superheat 101 with Andrew Freeburg

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

Join the Refrigeration Mentor Hub here

In this episode, I'm sharing real world stories of workplace injuries in the refrigeration industry and safety lessons we teach at Refrigeration Mentor. These include liquid refrigerant burns, ladder and roof access risks, brazing hazards, chemical exposure and inadequate PPE, even fatigue-related driving dangers. We'll discuss safety measures like job hazard assessments, using proper protective equipment and ventilation, strapping ladders correctly, and the right to refuse unsafe work. I'll also give a preview of what's to come inside Refrigeration Mentor Academy and what we offer to help refrigeration technicians build confidence and improve troubleshooting.

In this episode, we cover:

01:34 Refrigerant Burns

03:08 Ladder and Roof Access Risks

06:08 Brazing Fumes and Store Safety

08:29 Fatigue and Driving Dangers

10:08 Heavy Lifting and Roof Rigging

Helpful Links & Resources:

Episode 378. Field Stories: Compressor Failure, Case Freeze-Up Troubleshooting, and Electrical Safety

Episode 355. An Inside Look at How We Design Our Training (The Refrigeration Mentor Playbook)

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