Category Archives: Mini split heating and cooling air conditioner heat pump systems

This category is for mini split heating and cooling air conditioners systems. Along with reviews, tutorials and how-to for the DIY (Do-it-Yourself) type of person. There are many positive things about mini split heat pumps that don’t compare to legacy large air conditioning systems.
They are cheaper easier to install and are less costly to run meaning they are more efficient and use less power.

Causes and Fixes Samsung Mini Split E123 Error Code

E123 error code is an Indoor heat exchanger air temperature sensor error. Causes include a faulty air temperature sensor or heat exchanger sensor open/short. Poor connections or damaged wiring between the sensors and the control board will also cause issues. Extreme temperatures or humidity levels can affect the performance of the sensor, leading to errors… Read More »