www.mbsm.pro, GREE , Mini Split , Air Conditioner ,Error Codes E6 , How To Fix

The error E6 comes from the engine, it is the electronic engine card if it is an inverter range.
Communication error E6  Between Outside and inside

* Test cable connection
* Test Inside Unit First without cable
* Test Outside unit without cable
* Check Fluid Pressure
* Test Fan Rotation
* Test Condensateur fonction