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This conversation covers tips and examples for how to better understand and troubleshoot supermarket case controllers. We’ll talk about navigating different controllers, parameters, and helpful advice for diagnosing common issues easier when you arrive to a service call. The more comfortable you are with controllers, the faster and more efficiently you’ll be able to perform service calls, which will in turn open up so many more career opportunities for you as a refrigeration technician.

In this conversation, we discuss:

-Troubleshooting supermarket case controllers

-Understanding wiring and piping diagrams

-First steps at a service call

-Importance of referring to manuals

-Utilizing trend graphs

-Controller parameters

-Advanced troubleshooting techniques

-Relays

-Industry changes and new regulations

Helpful Links & Resources:

Episode 257. CO2 Experts Live: Case Controllers with Kevin Mullis

Danfoss KoolCode

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