Samsung MH080FX*A4 series Instruction Manual

Contents

E-27ENGLISHTroubleshootingThe error indicated on the PCB display of outdoor unitCOMPLETING THE INSTALLATIONDISPLAY EXPLANATION (The error indicated on the PCB display of outdoor unit) REMARKCommuniaction error(indoor unable to receive data) Check electrical connectionand settingOutdoor unit communication error(Abnormal data from indoor unit over 60 packet)Check electrical connectionand settingIndoor unit room temperature sensor error (Open/Short)Indoor unit heat exchanger in temperature sensor error (Open/Short)Indoor unit heat exchanger out temperature sensor error (Open/Short)Indoor unit sensor error-Evaporator pipe in sensor - Self diagnosisIndoor unit sensor error-Evaporator pipe out sensor - Self diagnosisIndoor Unit FAN ErrorMore than two indoor units cool and heat simultaneouslyIndoor Unit EEPROM ErrorIndoor Unit EEPROM Option ErrorFailure of pipe check operation Check piping connectionand settingNo pipe check operation check- occasion : try to operation after the installation through auto addressingmode without pipe check operation.Check settingThe number of Indoor unit mismatched Check electricalconnection and settingCommunication error between the outdoor and indoor unit Check electricalconnection and settingOutdoor communication error between main PCB and sub PCBOutside temperature sensor error(Short/Open)- Error level: over 4.9V(-58°F) under 0.4V(199.4°F)Condenser temperature sensor error(Short/Open)- Error level: over 4.9V(-58°F) under 0.4V(199.4°F)Outdoor unit sensor error - Condenser out sensor(Short/Open) - Self diagnosisCompressor Discharge temperature sensor errorCompressor discharge sensor detached - Self diagnosisCompressor OLP sensor error (Short/Open)- Error condition : outdoor temperature under -4°F- Error level : over 4.95V(-22°F) under 0.5V(-303.8°F)The table below give indication about self diagnostic routine. Some of error code requires activitiesexclusively for Authorise Service Center.