For each listed error: there are actions to be performed by a qualified technician only
E04 - Low preasure fault on cooling circuit: Pressure fault in the low pressure circuit (try resetting).
E05 - Cooling circuit high pressure fault.
E06 - Compressor discharge temperature fault.
E07 - Sensor fault - water inlet sensor.
E08 - Sensor fault - fluid line sensor.
E09 - Sensor fault - defrost sensor.
E10 - Sensor fault - air inlet sensor.
E11 - Sensor fault - compressor discharge sensor.
E12 - Communication fault between the regularion board and the display board.
E14 - Overheating of compressor driver electronic board.
E15 - Automatic protection against electrical network instabilities.
E16 / E17 - Error on the fan motor.
E18 - Problem replayed by the compressor driver.
E19 - Driver - compressor communication fault.
E20 - Main board not configured.