Samsung AC071MXADKH - Page 42

Samsung Electronics 4-11
Error Mode
Cause Measures
Product operation with error
Diagnosis method
Operation Defrost Timer Filter
Outdoor Unit
compressor
Outdoor Unit
fan
indoor Unitheat
fan
X X X Power reset - operation-off operation-off operation-off -
X X X
Error of room temperature sensor in the indoor
unit (Open/Short)
•Checkindoortemperaturesensorconnection.
•Checkindoortemperaturesensor’sresistancevaluetoseeifit’sshort/open.
operation-off operation-off operation-off page 4-17
X X
Error of heat exchanger IN/OUT sensor in the
indoor unit (Open/Short)
•CheckEVAIN/OUTsensorconnection.
•CheckEVAIN/OUTsensor’sresistancevaluetoseeifit’sshort/open.
operation-off operation-off operation-off page 4-18
X X X Error of fan motor in the indoor unit
•Checktheconnectionofmotorconnector
•Checkthespeedofthemotorfan
operation-off operation-off operation-off page 4-19
X X
Error of the outdoor temperature sensor
Error of the condensor temperature sensor
Error of the discharge temperature sensor
•Checkoutdoortemperaturesensorconnection.
•Checkoutdoortemperaturesensor’sresistancevaluetoseeifit’sshort/open.
operation-off operation-off operation-off -
X X
No communication for 2 minutes between indoor
and outdoor unit (communication error for more
than 2 minutes)
•Checkconnectionbetweenindoorandoutdoorunitcommunicationcables operation-off operation-off operation-off page 4-20
X Error of outdoor unit •Checkerroroccurredwithoutdoorunit. operation-off operation-off operation-off -
X X Detection of the float switch
•Checkfloatswitchconnection.
•Checkwhetherthedrainhasbeenfilledwithwater.
operation-off operation-off operation-off page 4-21
X EEPROM error •CheckifthereisdamagewithEEPROMcomponent. operation-off operation-off operation-off page 4-22
EEPROM option error
•Checktheindoormodeltosettheoptions.
•Inspectionformatchbetweenindoorandoutdoormachinemodels
operation-off operation-off operation-off -
X X
MDS-kit error
-.Check the wire connection
-. Check the MDS-KIT
-.Check the indoor PBA
operation-on operation-on operation-on page 4-49
: On : Blink X : Off