Error Code E123 Samsung Mini Split

How to Work on Mini Splits?
https://youtu.be/93ZD8po4ln8

Mini Split Sizing Basics
https://youtu.be/9L3l4sXRES8

How to replace a sensor with a generic sensor on a mini split?
https://youtu.be/2gPUC5Go3mQ?si=4QAeKbXujeGrBJ5I

How to clean mini splits?
https://youtu.be/omyCD6CwhJs

Tools I use to work on mini splits
Yellow Jacket 42004 Series 41 Manifold with 3-1/8" Gauge
https://amzn.to/3yaYAd3

Fieldpiece SC440 True RMS Clamp Meter with Temperature, Inrush Current, Capacitance and Backlight
https://amzn.to/3SNaC4e

Micro Leads for Testing Sensors
https://amzn.to/3u2xbHP

Fieldpiece - TC24 – Pipe Clamp Thermocouple
https://amzn.to/3ftVWbD

Adapter with Thimble for Air Conditioner Ductless Mini Split HVAC System, 5/16 '' Female SAE Quick Couplers x 1/4'' Male Flare(3 Pcs)
https://amzn.to/3EbtWE7

Cleaner I use
Nu-Calgon Tri-Pow'r HD 4371-88 Cleaner for condensers, evaporator coils, permanent filters, fan blades, motors
https://amzn.to/44XYNxW

Coil Gun
https://www.nucalgon.com/products/coil-cleaners-sprayers/sprayers/coil-gun/
Click here to buy
https://amzn.to/3OHAKyl

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