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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