Samsung air conditioner error codes

Samsung air conditioners are fit with a forward system of self-diagnostics. Due to this system, one may not only determine an error, but also remove it, in some cases, on ones` own. The complete list of malfunctions i.e. of Samsung air conditioner error codes is presented below.

Samsung ACH1800E air conditioner error codes

Samsung ACH1800E is a cassette type air conditioner intended for heating and cooling. It can utilize about 15 types of indoor and outdoor units. This gives a diversity of options and allows you to adjust the system for the needs of your home. However, like any other AC, this model can experience malfunctions every now and then. In this case use the list of error codes and their explanations from the table below.

ERROR CODEERROR DESCRIPTIONREFERENCE PART
ElIndoor unit room thermistor errorEC01
E5Indoor unit pipe thermistor errorEC02
E6Outdoor unit thermistor errorEC03
E9Float switch open errorEC04
EACommunication error between indoor unit and outdoor unitEC05
ECCommunication error between wired remote controller and indoor unitEC06
EDOutdoor unit pipe thermistor errorEC07
ELReverse power of 3 phase power source detected (3 phase model)EC08
Reservation LED flickering(1Hz period)Indoor temperature sensor abnormalEC01
Operation LED and reservation LED flickering (1Hz period)Indoor pipe temperature sensor abnormalEC02
Operation LED and filter LED flickering (1Hz period)Outdoor temperature sensor abnormalEC03
Reservation LED filter LED alternating flickering (1Hz period)Float switch open abnormalEC04
Reservation LED and filter LED flickering (1 Hz period)Indoor and outdoor communication abnormalEC05
Operation LED and reservation LED alternating flickering (1Hz period)Wired remote controller communication abnormalEC06
Filter LED flickering (1 Hz period)Outdoor pipe temperature sensor abnormalEC07
*1Indoor unit room thermistor errorEC01
*5Indoor unit pipe thermistor errorEC02
*6Outdoor unit thermistor errorEC03
*9Float switch open errorEC04
*ACommunication error between indoor unit and outdoor unitEC05
*CCommunication error between wired remote controller and indoor unitEC06
*DOutdoor unit pipe thermistor errorEC07
*LThree phase power incorrect connecting error (In case of three phase power models)EC08

Error codes and troubleshooting