Get to Know Drop-In Inverters
They may very well replace PWM inverters in some applications
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Author: Sam Brown
Dealing with Bad Specs While Troubleshooting
Skip the manual and go straight to the source
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Creating a Problem Statement
Never depend on the customer’s diagnosis
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Diagnostic Modes: What They Can Do and How to Use Them
Sometimes error codes can be in error
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Sealed System Basics: The Three S’s
Saturation, subcooling and superheat are the foundation of all sealed system troubleshooting
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Hands-On vs. ‘Brains-On’ Training
Service superiority requires both
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Master Samurai Tech’s Big Three Troubleshooting Secrets
Even in the digital age, the ‘old-school’ approaches still apply
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Ten Essential Tools for Appliance Repair
Don’t leave home without the 10 essential tools for appliance repair.
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How a Real Tech Prepares for a Service Call
A thorough pre-diagnosis improves first call completes
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3 Essential Tips for CSRs
Keys to excellence: Do your homework and know the basics
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An Introduction to R600 and Lokring
We’ve all been hearing about R600 refrigerant for years now, and the reality is that it’s no longer an innovation in household refrigeration; it’s the new standard.
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EEPs: What They Are and How to Use Them
No disassembly required when you make the EEP connection
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Diodes in AC Circuits
Put simply, diodes are devices that only allow current to flow in one direction.
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All Hail Hall Sensors
Whether you were aware of them or not, Hall effect sensors are everywhere. Any time you see a motor on an appliance with any kind of RPM feedback or speed signal, there’s a Hall sensor on that motor.
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Do Ohms Lie?
“Ohms lie.” It’s become a popular phrase in the tech community, but what does it actually mean?
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